Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA

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311
FNUS51 KPBZ 041752
FWFPBZ

Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1252 PM EST Thu Dec 4 2025

.DISCUSSION...
Light, scattered snow showers will diminish this afternoon
followed by clearing skies and light wind, which combined with
existing snow cover will result in overnight lows dipping into
the single digits to mid-teens. Additional light snow chances
and below-normal temperatures should continue into early next
week.



OHZ039-050930-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      8 (-15)      32 (+3)      18           36
RH % (24h trend)      92 (+1)      64 (+6)      99           76
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              630                       630
Mixing Hgt(ft-agl/msl)             2080                      2080
Transport Wnd (mph)                SW 10                     SW 18
Vent Rate (kt-ft)                  22030                     35680
Category Day                       2                         3
Inversion             6pm          25F/11am     5pm          27F/9am
Dispersion                         5                         5
Max ADI Early         3 Very Poor  19 Gen Poor  5 Very Poor  31 Fair
Max ADI Late          4 Very Poor  25 Fair      9 Poor       34 Fair
Max LVORI Early       6            5            7            5
Max LVORI Late        6            3            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ040-050930-
Carroll-
Including the cities of Carrollton and Malvern
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      8 (-15)      32 (+3)      18           35
RH % (24h trend)      90 (-1)      65 (+7)      99           77
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      SW  5        SW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              640                       640
Mixing Hgt(ft-agl/msl)             2090                      2090
Transport Wnd (mph)                SW 12                     SW 18
Vent Rate (kt-ft)                  22270                     37420
Category Day                       2                         3
Inversion             7pm          25F/11am     5pm          28F/9am
Dispersion                         5                         5
Max ADI Early         3 Very Poor  17 Gen Poor  8 Poor       33 Fair
Max ADI Late          4 Very Poor  28 Fair      10 Poor      36 Fair
Max LVORI Early       6            5            6            5
Max LVORI Late        6            3            7            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ041-050930-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      7 (-16)      33 (+3)      18           35
RH % (24h trend)      91 (+1)      66 (+8)      98           78
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              650                       650
Mixing Hgt(ft-agl/msl)             2130                      2150
Transport Wnd (mph)                SW 12                     SW 20
Vent Rate (kt-ft)                  23090                     38940
Category Day                       2                         3
Inversion             9pm          24F/11am     5pm          28F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  15 Gen Poor  8 Poor       35 Fair
Max ADI Late          4 Very Poor  28 Fair      10 Poor      37 Fair
Max LVORI Early       5            5            6            5
Max LVORI Late        6            4            7            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ048-050930-
Coshocton-
Including the city of Coshocton
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      8 (-15)      32 (+3)      18           35
RH % (24h trend)      93 (-6)      65 (+9)      100          77
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              610                       640
Mixing Hgt(ft-agl/msl)             2020                      2110
Transport Wnd (mph)                SW 10                     W 15
Vent Rate (kt-ft)                  20960                     29930
Category Day                       2                         3
Inversion             6pm          25F/11am     5pm          27F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  19 Gen Poor  5 Very Poor  27 Fair
Max ADI Late          3 Very Poor  24 Fair      8 Poor       31 Fair
Max LVORI Early       6            6            8            6
Max LVORI Late        6            3            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ049-050930-
Harrison-
Including the city of Cadiz
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      9 (-14)      34 (+3)      19           36
RH % (24h trend)      90 (0)       64 (+9)      99           74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              650                       650
Mixing Hgt(ft-agl/msl)             2130                      2120
Transport Wnd (mph)                SW 10                     SW 18
Vent Rate (kt-ft)                  23070                     36130
Category Day                       2                         3
Inversion             6pm          27F/11am     5pm          29F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  19 Gen Poor  6 Very Poor  31 Fair
Max ADI Late          4 Very Poor  23 Fair      9 Poor       36 Fair
Max LVORI Early       6            5            7            5
Max LVORI Late        6            3            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ050-050930-
Jefferson OH-
Including the city of Steubenville
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      9 (-15)      34 (+4)      19           36
RH % (24h trend)      87 (-4)      65 (+10)     96           73
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              630                       660
Mixing Hgt(ft-agl/msl)             2070                      2170
Transport Wnd (mph)                SW 10                     SW 18
Vent Rate (kt-ft)                  22760                     38930
Category Day                       2                         3
Inversion             6pm          26F/11am     5pm          29F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  14 Gen Poor  6 Very Poor  31 Fair
Max ADI Late          4 Very Poor  20 Gen Poor  9 Poor       36 Fair
Max LVORI Early       5            5            6            5
Max LVORI Late        6            3            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ057-050930-
Muskingum-
Including the city of Zanesville
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-12)     33 (+2)      18           36
RH % (24h trend)      91 (-2)      66 (+10)     100          77
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              580                       610
Mixing Hgt(ft-agl/msl)             1910                      2000
Transport Wnd (mph)                SW  9                     SW 15
Vent Rate (kt-ft)                  17240                     31840
Category Day                       2                         3
Inversion             6pm          26F/11am     5pm          30F/10am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  16 Gen Poor  4 Very Poor  25 Fair
Max ADI Late          4 Very Poor  21 Fair      6 Very Poor  29 Fair
Max LVORI Early       5            6            8            5
Max LVORI Late        6            3            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ058-050930-
Guernsey-
Including the city of Cambridge
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-12)     34 (+3)      18           37
RH % (24h trend)      89 (-6)      64 (+9)      100          74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              610                       630
Mixing Hgt(ft-agl/msl)             1990                      2080
Transport Wnd (mph)                SW  9                     SW 16
Vent Rate (kt-ft)                  19830                     33050
Category Day                       2                         3
Inversion             6pm          24F/10am     5pm          28F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  18 Gen Poor  5 Very Poor  28 Fair
Max ADI Late          4 Very Poor  21 Fair      7 Poor       30 Fair
Max LVORI Early       5            5            8            6
Max LVORI Late        6            3            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ059-050930-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      11 (-13)     35 (+3)      20           38
RH % (24h trend)      89 (0)       68 (+11)     100          74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              540                       650
Mixing Hgt(ft-agl/msl)             1770                      2140
Transport Wnd (mph)                SW  9                     SW 17
Vent Rate (kt-ft)                  18180                     36550
Category Day                       2                         3
Inversion             8pm          28F/11am     5pm          29F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  13 Gen Poor  5 Very Poor  30 Fair
Max ADI Late          5 Very Poor  18 Gen Poor  9 Poor       32 Fair
Max LVORI Early       5            5            7            5
Max LVORI Late        5            4            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ068-050930-
Noble-
Including the city of Caldwell
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      13 (-9)      36 (+3)      19           38
RH % (24h trend)      88 (-3)      67 (+9)      100          74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              600                       650
Mixing Hgt(ft-agl/msl)             1970                      2150
Transport Wnd (mph)                SW  9                     SW 15
Vent Rate (kt-ft)                  17810                     30320
Category Day                       2                         3
Inversion             8pm          29F/11am     5pm          29F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  12 Poor      4 Very Poor  27 Fair
Max ADI Late          4 Very Poor  21 Fair      5 Very Poor  30 Fair
Max LVORI Early       5            5            9            6
Max LVORI Late        6            3            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

OHZ069-050930-
Monroe-
Including the city of Woodsfield
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      14 (-9)      36 (+3)      21           39
RH % (24h trend)      86 (-2)      71 (+13)     100          73
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              510                       670
Mixing Hgt(ft-agl/msl)             1660                      2190
Transport Wnd (mph)                SW  8                     SW 15
Vent Rate (kt-ft)                  18410                     35600
Category Day                       2                         3
Inversion             8pm          30F/11am     5pm          30F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  10 Poor      5 Very Poor  29 Fair
Max ADI Late          5 Very Poor  16 Gen Poor  5 Very Poor  31 Fair
Max LVORI Early       5            5            8            5
Max LVORI Late        5            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ007-050930-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            30
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      6 (-15)      29 (+1)      16           34
RH % (24h trend)      95 (-2)      67 (+4)      100          82
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      S  5         SW  7
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                              2
Precip Begin                                                 7 AM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              650                       700
Mixing Hgt(ft-agl/msl)             2130                      2280
Transport Wnd (mph)                SW 13                     SW 20
Vent Rate (kt-ft)                  26740                     42650
Category Day                       2                         3
Inversion             6pm          23F/11am     5pm          28F/10am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  20 Gen Poor  8 Poor       32 Fair
Max ADI Late          4 Very Poor  30 Fair      10 Poor      40 Fair
Max LVORI Early       6            5            7            5
Max LVORI Late        6            4            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ008-050930-
Venango-
Including the cities of Oil City and Franklin
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      7 (-14)      30 (+2)      17           34
RH % (24h trend)      94 (-1)      64 (+1)      100          82
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                              1
Precip Begin                                                 7 AM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              730                       730
Mixing Hgt(ft-agl/msl)             2400                      2400
Transport Wnd (mph)                S 14                      SW 21
Vent Rate (kt-ft)                  35630                     47860
Category Day                       3                         3
Inversion             6pm          19F/10am     5pm          26F/9am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  24 Fair      7 Poor       32 Fair
Max ADI Late          4 Very Poor  34 Fair      9 Poor       41 Gen Good
Max LVORI Early       7            5            8            5
Max LVORI Late        6            4            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ009-050930-
Forest-
Including the city of Tionesta
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      6 (-15)      30 (+2)      17           34
RH % (24h trend)      93 (0)       61 (+1)      100          75
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                              1
Precip Begin                                                 1 PM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              740                       760
Mixing Hgt(ft-agl/msl)             2440                      2500
Transport Wnd (mph)                S 16                      SW 21
Vent Rate (kt-ft)                  38910                     52250
Category Day                       3                         3
Inversion             6pm          15F/9am      5pm          21F/4am
Dispersion                         5                         5
Max ADI Early         7 Poor       29 Fair      6 Very Poor  37 Fair
Max ADI Late          4 Very Poor  36 Fair      10 Poor      44 Gen Good
Max LVORI Early       7            5            8            5
Max LVORI Late        6            3            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ013-050930-
Lawrence-
Including the cities of New Castle and Ellwood City
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      6 (-17)      32 (+2)      16           35
RH % (24h trend)      94 (-1)      66 (+7)      100          79
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.02
Precip Duration                                              1
Precip Begin                                                 7 AM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              680                       680
Mixing Hgt(ft-agl/msl)             2230                      2220
Transport Wnd (mph)                SW 12                     SW 18
Vent Rate (kt-ft)                  25660                     39660
Category Day                       2                         3
Inversion             6pm          24F/11am     5pm          27F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  15 Gen Poor  5 Very Poor  33 Fair
Max ADI Late          4 Very Poor  30 Fair      9 Poor       37 Fair
Max LVORI Early       6            5            8            5
Max LVORI Late        6            4            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ014-050930-
Butler-
Including the city of Butler
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      7 (-15)      32 (+2)      17           36
RH % (24h trend)      95 (-3)      71 (+8)      100          82
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                              1
Precip Begin                                                 7 AM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              630                       660
Mixing Hgt(ft-agl/msl)             2060                      2160
Transport Wnd (mph)                SW 12                     SW 18
Vent Rate (kt-ft)                  27070                     38350
Category Day                       2                         3
Inversion             6pm          21F/10am     5pm          27F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  17 Gen Poor  5 Very Poor  32 Fair
Max ADI Late          4 Very Poor  20 Gen Poor  8 Poor       36 Fair
Max LVORI Early       7            5            9            5
Max LVORI Late        7            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ015-050930-
Clarion-
Including the city of Clarion
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      7 (-16)      30 (+1)      18           34
RH % (24h trend)      90 (-4)      68 (+7)      100          78
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                              1
Precip Begin                                                 1 PM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              630                       710
Mixing Hgt(ft-agl/msl)             2080                      2340
Transport Wnd (mph)                S 13                      SW 20
Vent Rate (kt-ft)                  30880                     43880
Category Day                       2                         3
Inversion             6pm          20F/10am     5pm          24F/8am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  23 Fair      5 Very Poor  35 Fair
Max ADI Late          4 Very Poor  24 Fair      8 Poor       40 Fair
Max LVORI Early       6            4            9            5
Max LVORI Late        6            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ016-050930-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      7 (-16)      29 (0)       19           34
RH % (24h trend)      86 (-6)      66 (+7)      100          74
Wind 20ft/early(mph)  Lgt/Var      SE  5        Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              540                       690
Mixing Hgt(ft-agl/msl)             1790                      2250
Transport Wnd (mph)                S 13                      SW 20
Vent Rate (kt-ft)                  27950                     42790
Category Day                       2                         3
Inversion             6pm          16F/9am      4pm          25F/8am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  23 Fair      5 Very Poor  34 Fair
Max ADI Late          4 Very Poor  22 Fair      9 Poor       39 Fair
Max LVORI Early       5            4            7            5
Max LVORI Late        5            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ020-050930-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      9 (-15)      33 (+2)      18           36
RH % (24h trend)      91 (+1)      67 (+7)      99           76
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              650                       670
Mixing Hgt(ft-agl/msl)             2130                      2210
Transport Wnd (mph)                SW 10                     SW 17
Vent Rate (kt-ft)                  23300                     36510
Category Day                       2                         3
Inversion             6pm          25F/11am     5pm          28F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  15 Gen Poor  5 Very Poor  33 Fair
Max ADI Late          4 Very Poor  24 Fair      8 Poor       34 Fair
Max LVORI Early       5            5            6            5
Max LVORI Late        6            4            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ021-050930-
Allegheny-
Including the city of Pittsburgh Metro Area
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-14)     34 (+3)      20           37
RH % (24h trend)      91 (+1)      75 (+11)     100          77
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              480                       650
Mixing Hgt(ft-agl/msl)             1590                      2140
Transport Wnd (mph)                SW  8                     SW 16
Vent Rate (kt-ft)                  16780                     33040
Category Day                       1                         3
Inversion             7pm          27F/11am     4pm          29F/9am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  11 Poor      5 Very Poor  29 Fair
Max ADI Late          4 Very Poor  13 Gen Poor  8 Poor       31 Fair
Max LVORI Early       5            5            9            5
Max LVORI Late        6            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ022-050930-
Armstrong-
Including the cities of Kittanning and Ford City
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         None         Snow
Chance Precip (%)     0            0            0            20
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      8 (-15)      32 (+2)      18           36
RH % (24h trend)      93 (0)       73 (+11)     100          79
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.01
Precip Duration                                              1
Precip Begin                                                 1 PM
Precip End                                                   Continuing
Mixing Hgt(m-agl/msl)              510                       680
Mixing Hgt(ft-agl/msl)             1670                      2250
Transport Wnd (mph)                S  9                      SW 18
Vent Rate (kt-ft)                  23100                     42770
Category Day                       2                         3
Inversion             6pm          22F/10am     5pm          26F/8am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  16 Gen Poor  5 Very Poor  32 Fair
Max ADI Late          4 Very Poor  15 Gen Poor  7 Poor       35 Fair
Max LVORI Early       6            5            9            5
Max LVORI Late        6            4            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ029-050930-
Washington-
Including the cities of Washington and Canonsburg
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-13)     36 (+5)      21           37
RH % (24h trend)      88 (-2)      74 (+11)     100          76
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              500                       630
Mixing Hgt(ft-agl/msl)             1640                      2060
Transport Wnd (mph)                SW  8                     SW 16
Vent Rate (kt-ft)                  19930                     32970
Category Day                       2                         3
Inversion             7pm          31F/12pm     5pm          30F/9am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  10 Poor      5 Very Poor  29 Fair
Max ADI Late          4 Very Poor  14 Gen Poor  9 Poor       31 Fair
Max LVORI Early       5            5            8            5
Max LVORI Late        6            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ031-050930-
Greene-
Including the city of Waynesburg
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      12 (-11)     36 (+4)      22           38
RH % (24h trend)      90 (0)       78 (+10)     100          77
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              540                       700
Mixing Hgt(ft-agl/msl)             1760                      2310
Transport Wnd (mph)                SW  9                     SW 16
Vent Rate (kt-ft)                  17920                     37350
Category Day                       2                         3
Inversion             7pm          30F/11am     4pm          31F/9am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  11 Poor      5 Very Poor  30 Fair
Max ADI Late          4 Very Poor  17 Gen Poor  8 Poor       34 Fair
Max LVORI Early       6            6            9            5
Max LVORI Late        6            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ073-050930-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         Frz Drzl     None         None
Chance Precip (%)     0            10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-13)     35 (+3)      21           38
RH % (24h trend)      92 (0)       74 (+9)      100          75
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                    0
Precip Begin                       9 AM
Precip End                         1 PM
Mixing Hgt(m-agl/msl)              460                       650
Mixing Hgt(ft-agl/msl)             1510                      2120
Transport Wnd (mph)                SW  8                     SW 16
Vent Rate (kt-ft)                  14420                     35460
Category Day                       1                         3
Inversion             10pm         29F/11am     5pm          28F/8am
Dispersion                         4                         5
Max ADI Early         5 Very Poor  13 Gen Poor  5 Very Poor  30 Fair
Max ADI Late          4 Very Poor  13 Gen Poor  8 Poor       31 Fair
Max LVORI Early       6            5            9            5
Max LVORI Late        6            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ074-050930-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         Frz Drzl     None         None
Chance Precip (%)     0            10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-13)     34 (+4)      24           38
RH % (24h trend)      83 (-13)     64 (+1)      98           64
Wind 20ft/early(mph)  Lgt/Var      SE  5        Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                    1
Precip Begin                       7 AM
Precip End                         1 PM
Mixing Hgt(m-agl/msl)              510                       760
Mixing Hgt(ft-agl/msl)             1660                      2480
Transport Wnd (mph)                S 12                      SW 18
Vent Rate (kt-ft)                  19260                     45410
Category Day                       2                         3
Inversion             6pm          30F/1pm      4pm          31F/9am
Dispersion                         5                         5
Max ADI Early         7 Poor       17 Gen Poor  6 Very Poor  34 Fair
Max ADI Late          5 Very Poor  17 Gen Poor  7 Poor       36 Fair
Max LVORI Early       4            4            6            5
Max LVORI Late        4            4            7            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ075-050930-
Fayette-
Including the city of Uniontown
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         Frz Drzl     None         None
Chance Precip (%)     0            10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      11 (-12)     37 (+5)      23           39
RH % (24h trend)      89 (0)       76 (+7)      100          75
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                    1
Precip Begin                       6 AM
Precip End                         11 AM
Mixing Hgt(m-agl/msl)              530                       740
Mixing Hgt(ft-agl/msl)             1720                      2420
Transport Wnd (mph)                SW  8                     SW 15
Vent Rate (kt-ft)                  18890                     34720
Category Day                       2                         3
Inversion             6pm          31F/11am     4pm          30F/8am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  13 Gen Poor  5 Very Poor  30 Fair
Max ADI Late          4 Very Poor  14 Gen Poor  8 Poor       33 Fair
Max LVORI Early       5            5            9            5
Max LVORI Late        6            5            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ076-050930-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         Frz Drzl     None         None
Chance Precip (%)     0            10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      10 (-12)     35 (+6)      24           38
RH % (24h trend)      89 (-5)      70 (0)       100          67
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                    1
Precip Begin                       6 AM
Precip End                         12 PM
Mixing Hgt(m-agl/msl)              480                       720
Mixing Hgt(ft-agl/msl)             1590                      2370
Transport Wnd (mph)                S 10                      SW 17
Vent Rate (kt-ft)                  18630                     44890
Category Day                       2                         3
Inversion             6pm          30F/12pm     4pm          31F/9am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  14 Gen Poor  6 Very Poor  31 Fair
Max ADI Late          5 Very Poor  15 Gen Poor  7 Poor       35 Fair
Max LVORI Early       5            4            6            5
Max LVORI Late        5            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ077-050930-
Indiana-
Including the city of Indiana
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Mcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      8 (-15)      33 (+3)      21           37
RH % (24h trend)      89 (-3)      72 (+10)     100          75
Wind 20ft/early(mph)  Lgt/Var      SE  5        Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              430                       640
Mixing Hgt(ft-agl/msl)             1420                      2100
Transport Wnd (mph)                S  9                      SW 17
Vent Rate (kt-ft)                  15470                     39220
Category Day                       1                         3
Inversion             6pm          23F/10am     4pm          29F/9am
Dispersion                         4                         5
Max ADI Early         5 Very Poor  18 Gen Poor  5 Very Poor  30 Fair
Max ADI Late          5 Very Poor  17 Gen Poor  8 Poor       33 Fair
Max LVORI Early       5            4            8            5
Max LVORI Late        5            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

PAZ078-050930-
Higher Elevations of Indiana-
Including the city of Armagh
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      9 (-14)      32 (+2)      22           36
RH % (24h trend)      83 (-11)     69 (+7)      100          69
Wind 20ft/early(mph)  Lgt/Var      SE  6        Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  7
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              400                       680
Mixing Hgt(ft-agl/msl)             1330                      2250
Transport Wnd (mph)                S 12                      SW 18
Vent Rate (kt-ft)                  16120                     39840
Category Day                       2                         3
Inversion             6pm          25F/11am     4pm          30F/9am
Dispersion                         5                         5
Max ADI Early         6 Very Poor  18 Gen Poor  5 Very Poor  31 Fair
Max ADI Late          5 Very Poor  18 Gen Poor  8 Poor       35 Fair
Max LVORI Early       5            4            6            5
Max LVORI Late        5            4            8            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ001-050930-
Hancock-
Including the city of Weirton
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mclear       Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      9 (-15)      33 (+3)      20           36
RH % (24h trend)      89 (-1)      66 (+9)      94           74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              680                       700
Mixing Hgt(ft-agl/msl)             2230                      2300
Transport Wnd (mph)                SW 10                     SW 18
Vent Rate (kt-ft)                  22610                     39820
Category Day                       2                         3
Inversion             6pm          26F/11am     5pm          27F/8am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  15 Gen Poor  5 Very Poor  33 Fair
Max ADI Late          4 Very Poor  22 Fair      8 Poor       36 Fair
Max LVORI Early       5            4            6            5
Max LVORI Late        6            3            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ002-050930-
Brooke-
Including the cities of Follansbee and Wellsburg
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Pcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      11 (-14)     34 (+3)      21           37
RH % (24h trend)      84 (-5)      69 (+13)     94           73
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              620                       700
Mixing Hgt(ft-agl/msl)             2030                      2290
Transport Wnd (mph)                SW  9                     SW 17
Vent Rate (kt-ft)                  21740                     37390
Category Day                       2                         3
Inversion             7pm          27F/11am     5pm          28F/8am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  11 Poor      5 Very Poor  33 Fair
Max ADI Late          4 Very Poor  18 Gen Poor  8 Poor       35 Fair
Max LVORI Early       4            4            6            4
Max LVORI Late        5            3            6            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ003-050930-
Ohio-
Including the city of Wheeling
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      11 (-14)     35 (+4)      21           37
RH % (24h trend)      86 (-3)      71 (+12)     96           74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              540                       670
Mixing Hgt(ft-agl/msl)             1790                      2200
Transport Wnd (mph)                SW  8                     SW 16
Vent Rate (kt-ft)                  14870                     34870
Category Day                       2                         3
Inversion             7pm          28F/11am     5pm          30F/9am
Dispersion                         4                         5
Max ADI Early         5 Very Poor  11 Poor      5 Very Poor  30 Fair
Max ADI Late          5 Very Poor  14 Gen Poor  9 Poor       33 Fair
Max LVORI Early       5            5            6            5
Max LVORI Late        5            4            6            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ004-050930-
Marshall-
Including the city of Moundsville
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      14 (-10)     37 (+5)      22           39
RH % (24h trend)      86 (-4)      74 (+11)     100          77
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  6
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              540                       700
Mixing Hgt(ft-agl/msl)             1760                      2290
Transport Wnd (mph)                SW  8                     SW 16
Vent Rate (kt-ft)                  16350                     35970
Category Day                       2                         3
Inversion             7pm          30F/11am     5pm          30F/9am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  11 Poor      5 Very Poor  30 Fair
Max ADI Late          5 Very Poor  16 Gen Poor  8 Poor       32 Fair
Max LVORI Early       5            5            7            5
Max LVORI Late        5            4            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ012-050930-
Wetzel-
Including the city of New Martinsville
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Pcldy        Mcldy
Precip Type           None         None         None         None
Chance Precip (%)     0            0            0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      15 (-8)      36 (+4)      23           38
RH % (24h trend)      90 (-2)      77 (+9)      100          78
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl)              520                       690
Mixing Hgt(ft-agl/msl)             1700                      2250
Transport Wnd (mph)                SW  8                     SW 15
Vent Rate (kt-ft)                  15350                     34130
Category Day                       2                         3
Inversion             6pm          31F/11am     5pm          31F/9am
Dispersion                         4                         5
Max ADI Early         4 Very Poor  10 Poor      5 Very Poor  28 Fair
Max ADI Late          5 Very Poor  16 Gen Poor  5 Very Poor  31 Fair
Max LVORI Early       5            6            9            5
Max LVORI Late        5            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ021-050930-
Marion-
Including the city of Fairmont
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         Flurries     None         None
Chance Precip (%)     0            10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      15 (-8)      37 (+6)      24           39
RH % (24h trend)      93 (+2)      80 (+8)      100          78
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                    1
Precip Begin                       6 AM
Precip End                         9 AM
Mixing Hgt(m-agl/msl)              590                       760
Mixing Hgt(ft-agl/msl)             1930                      2490
Transport Wnd (mph)                SW  9                     SW 16
Vent Rate (kt-ft)                  19100                     39710
Category Day                       2                         3
Inversion             6pm          32F/11am     5pm          32F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  12 Poor      5 Very Poor  29 Fair
Max ADI Late          4 Very Poor  18 Gen Poor  5 Very Poor  34 Fair
Max LVORI Early       6            6            9            8
Max LVORI Late        6            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ509-050930-
Monongalia-
Including the city of Morgantown
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           None         Flurries     None         None
Chance Precip (%)     0            10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      13 (-10)     37 (+6)      24           39
RH % (24h trend)      91 (+1)      78 (+8)      100          75
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration                    1
Precip Begin                       6 AM
Precip End                         10 AM
Mixing Hgt(m-agl/msl)              610                       750
Mixing Hgt(ft-agl/msl)             1990                      2460
Transport Wnd (mph)                SW  9                     SW 16
Vent Rate (kt-ft)                  19390                     38540
Category Day                       2                         3
Inversion             6pm          32F/11am     4pm          31F/8am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  13 Gen Poor  5 Very Poor  30 Fair
Max ADI Late          3 Very Poor  19 Gen Poor  8 Poor       34 Fair
Max LVORI Early       6            6            9            6
Max LVORI Late        6            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ510-050930-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Flurries     Flurries     None         None
Chance Precip (%)     10           10           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      12 (-10)     35 (+7)      26           37
RH % (24h trend)      92 (-2)      77 (+3)      100          74
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration       1            1
Precip Begin          3 AM         Continuing
Precip End            Continuing   10 AM
Mixing Hgt(m-agl/msl)              500                       650
Mixing Hgt(ft-agl/msl)             1640                      2120
Transport Wnd (mph)                SW 10                     SW 17
Vent Rate (kt-ft)                  19280                     35700
Category Day                       2                         3
Inversion             6pm          32F/12pm     4pm          31F/9am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  13 Gen Poor  5 Very Poor  26 Fair
Max ADI Late          5 Very Poor  18 Gen Poor  7 Poor       32 Fair
Max LVORI Early       6            5            9            5
Max LVORI Late        5            5            9            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ511-050930-
Preston-
Including the cities of Kingwood and Bruceton Mills
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Snow         Snow         None         None
Chance Precip (%)     20           20           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      13 (-9)      36 (+7)      26           38
RH % (24h trend)      93 (0)       75 (+1)      100          71
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Precip Amount         0.00         0.00         0.00         0.00
Precip Duration       1            1
Precip Begin          2 AM         Continuing
Precip End            Continuing   11 AM
Mixing Hgt(m-agl/msl)              620                       750
Mixing Hgt(ft-agl/msl)             2030                      2470
Transport Wnd (mph)                SW 10                     SW 16
Vent Rate (kt-ft)                  26150                     41270
Category Day                       2                         3
Inversion             6pm          28F/10am     5pm          30F/8am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  17 Gen Poor  5 Very Poor  31 Fair
Max ADI Late          5 Very Poor  21 Fair      5 Very Poor  34 Fair
Max LVORI Early       6            5            9            5
Max LVORI Late        6            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ512-050930-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Pcldy        Mcldy        Mcldy        Mcldy
Precip Type           Snow         Snow/Fz Ra   None         None
Chance Precip (%)     30           20           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      13 (-9)      35 (+8)      26           38
RH % (24h trend)      92 (-5)      75 (-5)      100          70
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  6
Precip Amount         0.01         0.01         0.00         0.00
Precip Duration       1            1
Precip Begin          1 AM         Continuing
Precip End            Continuing   11 AM
Mixing Hgt(m-agl/msl)              550                       710
Mixing Hgt(ft-agl/msl)             1790                      2320
Transport Wnd (mph)                SW 12                     SW 18
Vent Rate (kt-ft)                  22700                     46130
Category Day                       2                         3
Inversion             6pm          29F/11am     4pm          29F/8am
Dispersion                         5                         5
Max ADI Early         5 Very Poor  16 Gen Poor  7 Poor       30 Fair
Max ADI Late          8 Poor       18 Gen Poor  9 Poor       37 Fair
Max LVORI Early       6            5            8            5
Max LVORI Late        5            5            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ513-050930-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mcldy        Mcldy        Mcldy        Mcldy
Precip Type           Snow         Snow/Fz Ra   None         None
Chance Precip (%)     60           40           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      16 (-5)      38 (+9)      26           40
RH % (24h trend)      91 (-7)      68 (-5)      100          61
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  5
Precip Amount         0.01         0.01         0.00         0.00
Precip Duration       1            1
Precip Begin          1 AM         Continuing
Precip End            Continuing   12 PM
Mixing Hgt(m-agl/msl)              650                       900
Mixing Hgt(ft-agl/msl)             2150                      2940
Transport Wnd (mph)                SW 10                     W 17
Vent Rate (kt-ft)                  25910                     53040
Category Day                       2                         3
Inversion             6pm          26F/9am      4pm          30F/8am
Dispersion                         5                         5
Max ADI Early         4 Very Poor  21 Fair      5 Very Poor  31 Fair
Max ADI Late          5 Very Poor  20 Gen Poor  5 Very Poor  40 Fair
Max LVORI Early       6            5            9            6
Max LVORI Late        6            4            9            3

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

WVZ514-050930-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1252 PM EST Thu Dec 4 2025

                      Tonight      Fri          Fri Night    Sat

Cloud Cover           Mcldy        Mcldy        Mcldy        Pcldy
Precip Type           Snow         Snow/Fz Ra   None         None
Chance Precip (%)     70           40           0            0
Chance of Thunder (%) 0            0            0            0
Temp (24h trend)      13 (-6)      34 (+8)      22           38
RH % (24h trend)      96 (-3)      76 (-9)      100          66
Wind 20ft/early(mph)  Lgt/Var      S  5 G17     Lgt/Var      SW  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var      W  6 G17
Precip Amount         0.01         0.01         0.00         0.00
Precip Duration       3            1
Precip Begin          12 AM        Continuing
Precip End            Continuing   12 PM
Mixing Hgt(m-agl/msl)              520                       870
Mixing Hgt(ft-agl/msl)             1720                      2850
Transport Wnd (mph)                SW 13                     W 21
Vent Rate (kt-ft)                  26210                     64210
Category Day                       2                         3
Inversion             6pm          27F/11am     4pm          30F/9am
Dispersion                         5                         5
Max ADI Early         9 Poor       18 Gen Poor  7 Poor       34 Fair
Max ADI Late          8 Poor       19 Gen Poor  8 Poor       44 Gen Good
Max LVORI Early       6            5            8            5
Max LVORI Late        6            5            8            4

Remarks...ADI is Atmospheric Dispersion Index by Lavdas.
  LVORI is Low Visibility Occurrence Risk Index.

$$

.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy with a chance of snow and rain. Lows in
the mid 20s. Highs in the mid 30s. South winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of snow and rain. Lows around
18. Highs in the upper 20s. West winds around 5 mph.
.TUESDAY...Mostly cloudy. A chance of snow. Lows around 12. Highs
in the mid 30s. Southwest winds 10 to 15 mph.
.WEDNESDAY...Cloudy with rain likely and a chance of snow. Lows
in the mid 20s. Highs in the upper 30s. Southwest winds 10 to
15 mph.
.THURSDAY...Cloudy with snow and rain likely. Lows in the mid
20s. West winds 15 to 20 mph.

$$