Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
663
FNUS51 KPBZ 310411
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1211 AM EDT Thu Jul 31 2025
.Discussion...
The potential for fire weather will be low over the next 24 hours
with incoming convection ahead of a cold front. MinRH values today
will be 60 percent.
Forecaster: Hefferan
&&
OHZ039-312015-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 70 30 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 76 (-13) 59 (-10) 78
RH % (24h trend) 80 (+25) 92 (0) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) NE 6 NE 7 G17 NE 8
Precip Amount 0.33 0.02 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 10 PM
Mixing Hgt(m-agl/msl) 740 1840
Mixing Hgt(ft-agl/msl)2420 6040
Transport Wnd (mph) N 13 NE 15
Vent Rate (kt-ft) 26620 78520
Dispersion 3 4
ADI early 24 Fair 23 Fair 78 Good
ADI late 43 Gen Good 15 Gen Poor 92 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-312015-
Carroll-
Including the cities of Carrollton and Malvern
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 70 20 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 74 (-15) 58 (-10) 77
RH % (24h trend) 82 (+36) 93 (+2) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) NE 6 NE 8 NE 9
Precip Amount 0.40 0.01 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 650 1800
Mixing Hgt(ft-agl/msl)2120 5890
Transport Wnd (mph) NE 17 NE 15
Vent Rate (kt-ft) 31800 76570
Dispersion 3 4
ADI early 24 Fair 20 Gen Poor 75 Good
ADI late 42 Gen Good 14 Gen Poor 77 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-312015-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 80 20 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 75 (-15) 57 (-10) 77
RH % (24h trend) 81 (+38) 93 (+2) 46
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) NE 6 NE 7 NE 8
Precip Amount 0.35 0.01 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 640 1830
Mixing Hgt(ft-agl/msl)2100 6000
Transport Wnd (mph) NE 14 NE 14
Vent Rate (kt-ft) 25200 72000
Dispersion 2 4
ADI early 27 Fair 19 Gen Poor 74 Good
ADI late 38 Fair 12 Poor 86 Good
Max LVORI early 5 5 5
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-312015-
Coshocton-
Including the city of Coshocton
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 60 30 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 76 (-13) 59 (-10) 77
RH % (24h trend) 81 (+26) 92 (-4) 48
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) NE 6 NE 7 NE 8
Precip Amount 0.32 0.02 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 12 AM
Mixing Hgt(m-agl/msl) 800 1870
Mixing Hgt(ft-agl/msl)2620 6140
Transport Wnd (mph) NE 13 NE 16
Vent Rate (kt-ft) 28820 85960
Dispersion 3 4
ADI early 26 Fair 25 Fair 88 Good
ADI late 43 Gen Good 14 Gen Poor 111 Very Good
Max LVORI early 5 4 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-312015-
Harrison-
Including the city of Cadiz
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 70 30 0
Chance of Thunder (%) 50 20 0
Temp (24h trend) 78 (-11) 60 (-9) 78
RH % (24h trend) 78 (+29) 93 (+2) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) N 5 NE 7 NE 8
Precip Amount 0.22 0.01 0.00
Precip Duration 3 1
Precip Begin 6 AM Continuing
Precip End Continuing 12 AM
Mixing Hgt(m-agl/msl) 730 1850
Mixing Hgt(ft-agl/msl)2390 6080
Transport Wnd (mph) N 14 NE 14
Vent Rate (kt-ft) 28680 72960
Dispersion 3 4
ADI early 22 Fair 20 Gen Poor 64 Good
ADI late 37 Fair 16 Gen Poor 92 Good
Max LVORI early 5 4 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-312015-
Jefferson OH-
Including the city of Steubenville
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 80 20 0
Chance of Thunder (%) 50 20 0
Temp (24h trend) 78 (-13) 59 (-10) 78
RH % (24h trend) 76 (+36) 93 (+4) 45
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) N 5 NE 7 NE 8
Precip Amount 0.26 0.01 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 12 AM
Mixing Hgt(m-agl/msl) 690 1930
Mixing Hgt(ft-agl/msl)2270 6340
Transport Wnd (mph) N 10 NE 13
Vent Rate (kt-ft) 20430 69740
Dispersion 2 4
ADI early 23 Fair 19 Gen Poor 57 Gen Good
ADI late 35 Fair 15 Gen Poor 89 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-312015-
Muskingum-
Including the city of Zanesville
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 60 30 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 80 (-9) 60 (-10) 78
RH % (24h trend) 77 (+21) 93 (-3) 48
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 7
Precip Amount 0.14 0.01 0.00
Precip Duration 3 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 850 1820
Mixing Hgt(ft-agl/msl)2790 5970
Transport Wnd (mph) N 14 NE 16
Vent Rate (kt-ft) 33480 83580
Dispersion 3 4
ADI early 26 Fair 24 Fair 68 Good
ADI late 41 Gen Good 17 Gen Poor 103 Very Good
Max LVORI early 6 4 4
Max LVORI late 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-312015-
Guernsey-
Including the city of Cambridge
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 70 30 0
Chance of Thunder (%) 40 20 0
Temp (24h trend) 80 (-10) 60 (-10) 79
RH % (24h trend) 76 (+19) 94 (-4) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 6
Precip Amount 0.17 0.01 0.00
Precip Duration 3 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 800 1910
Mixing Hgt(ft-agl/msl)2620 6270
Transport Wnd (mph) N 10 NE 14
Vent Rate (kt-ft) 23580 75240
Dispersion 3 4
ADI early 21 Fair 22 Fair 61 Good
ADI late 37 Fair 13 Gen Poor 96 Good
Max LVORI early 6 5 4
Max LVORI late 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-312015-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 70 30 0
Chance of Thunder (%) 50 20 0
Temp (24h trend) 82 (-7) 61 (-9) 78
RH % (24h trend) 74 (+20) 96 (+3) 49
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 8
Precip Amount 0.19 0.02 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 12 AM
Mixing Hgt(m-agl/msl) 820 1830
Mixing Hgt(ft-agl/msl)2700 6010
Transport Wnd (mph) N 8 NE 14
Vent Rate (kt-ft) 18900 72120
Dispersion 2 4
ADI early 17 Gen Poor 20 Gen Poor 47 Gen Good
ADI late 31 Fair 15 Gen Poor 91 Good
Max LVORI early 6 5 4
Max LVORI late 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-312015-
Noble-
Including the city of Caldwell
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 60 40 0
Chance of Thunder (%) 50 20 0
Temp (24h trend) 83 (-7) 61 (-9) 79
RH % (24h trend) 72 (+14) 95 (-3) 50
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 5 NE 6
Precip Amount 0.10 0.02 0.00
Precip Duration 3 1
Precip Begin 6 AM Continuing
Precip End Continuing 1 AM
Mixing Hgt(m-agl/msl) 910 1840
Mixing Hgt(ft-agl/msl)3000 6050
Transport Wnd (mph) N 8 NE 14
Vent Rate (kt-ft) 21000 72600
Dispersion 2 4
ADI early 17 Gen Poor 12 Poor 48 Gen Good
ADI late 36 Fair 12 Poor 91 Good
Max LVORI early 7 5 5
Max LVORI late 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-312015-
Monroe-
Including the city of Woodsfield
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 70 50 0
Chance of Thunder (%) 50 40 0
Temp (24h trend) 85 (-5) 62 (-8) 78
RH % (24h trend) 71 (+16) 95 (-1) 52
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var NE 6
Precip Amount 0.17 0.03 0.00
Precip Duration 4 1
Precip Begin 7 AM Continuing
Precip End Continuing 2 AM
Mixing Hgt(m-agl/msl) 930 1780
Mixing Hgt(ft-agl/msl)3040 5850
Transport Wnd (mph) NW 7 NE 14
Vent Rate (kt-ft) 18240 70200
Dispersion 2 4
ADI early 15 Gen Poor 11 Poor 44 Gen Good
ADI late 34 Fair 12 Poor 88 Good
Max LVORI early 7 5 5
Max LVORI late 3 5 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-312015-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Tstms None None
Chance Precip (%) 80 0 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 73 (-14) 55 (-10) 77
RH % (24h trend) 83 (+29) 95 (+3) 48
20ft Wnd-Val/AM(mph) NE 5 NE 6
20ft Wnd-Rdg/PM(mph) NE 7 NE 7 N 8
Precip Amount 0.53 0.00 0.00
Precip Duration 7
Precip Begin 6 AM
Precip End 6 PM
Mixing Hgt(m-agl/msl) 530 1770
Mixing Hgt(ft-agl/msl)1750 5810
Transport Wnd (mph) NE 16 NE 14
Vent Rate (kt-ft) 24500 69720
Dispersion 2 4
ADI early 25 Fair 19 Gen Poor 78 Good
ADI late 33 Fair 12 Poor 89 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-312015-
Venango-
Including the cities of Oil City and Franklin
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 80 20 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 72 (-15) 55 (-10) 76
RH % (24h trend) 83 (+34) 94 (+1) 48
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 N 6
Precip Amount 0.76 0.01 0.00
Precip Duration 7 0
Precip Begin 6 AM Continuing
Precip End Continuing 10 PM
Mixing Hgt(m-agl/msl) 510 1980
Mixing Hgt(ft-agl/msl)1680 6510
Transport Wnd (mph) NE 15 N 13
Vent Rate (kt-ft) 21840 71610
Dispersion 2 4
ADI early 23 Fair 17 Gen Poor 78 Good
ADI late 32 Fair 10 Poor 86 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-312015-
Forest-
Including the city of Tionesta
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Pcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 90 20 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 73 (-14) 54 (-10) 76
RH % (24h trend) 78 (+34) 92 (+3) 43
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 5 NE 5 N 5
Precip Amount 0.79 0.01 0.00
Precip Duration 6 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 510 1890
Mixing Hgt(ft-agl/msl)1680 6200
Transport Wnd (mph) NE 17 N 13
Vent Rate (kt-ft) 25200 68200
Dispersion 3 4
ADI early 24 Fair 11 Poor 69 Good
ADI late 33 Fair 9 Poor 86 Good
Max LVORI early 5 5 5
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-312015-
Lawrence-
Including the cities of New Castle and Ellwood City
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Precip Type Tstms Showers None
Chance Precip (%) 80 20 0
Chance of Thunder (%) 40 0 0
Temp (24h trend) 75 (-14) 57 (-10) 78
RH % (24h trend) 82 (+34) 96 (+5) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 N 7
Precip Amount 0.38 0.01 0.00
Precip Duration 5 1
Precip Begin 6 AM Continuing
Precip End Continuing 10 PM
Mixing Hgt(m-agl/msl) 590 1780
Mixing Hgt(ft-agl/msl)1940 5850
Transport Wnd (mph) NE 16 NE 14
Vent Rate (kt-ft) 27160 70200
Dispersion 3 4
ADI early 27 Fair 18 Gen Poor 70 Good
ADI late 36 Fair 10 Poor 88 Good
Max LVORI early 5 5 5
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-312015-
Butler-
Including the city of Butler
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Precip Type Tstms Tstms None
Chance Precip (%) 80 30 0
Chance of Thunder (%) 50 30 0
Temp (24h trend) 77 (-11) 57 (-10) 78
RH % (24h trend) 82 (+33) 98 (+7) 48
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 NE 6
Precip Amount 0.38 0.02 0.00
Precip Duration 6 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 620 2050
Mixing Hgt(ft-agl/msl)2050 6720
Transport Wnd (mph) NE 13 NE 12
Vent Rate (kt-ft) 22550 67200
Dispersion 2 4
ADI early 24 Fair 19 Gen Poor 62 Good
ADI late 34 Fair 11 Poor 84 Good
Max LVORI early 5 5 5
Max LVORI late 4 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-312015-
Clarion-
Including the city of Clarion
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Precip Type Tstms Tstms None
Chance Precip (%) 90 30 0
Chance of Thunder (%) 50 20 0
Temp (24h trend) 76 (-12) 56 (-10) 77
RH % (24h trend) 78 (+34) 92 (+4) 44
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 NE 6
Precip Amount 0.56 0.02 0.00
Precip Duration 6 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 550 2040
Mixing Hgt(ft-agl/msl)1810 6690
Transport Wnd (mph) NE 13 NE 12
Vent Rate (kt-ft) 19910 66900
Dispersion 2 4
ADI early 26 Fair 18 Gen Poor 64 Good
ADI late 35 Fair 10 Poor 85 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-312015-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 40 10
Chance of Thunder (%) 50 40 0
Temp (24h trend) 76 (-12) 55 (-12) 76
RH % (24h trend) 74 (+30) 91 (+4) 43
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) NE 5 NE 6 NE 6
Precip Amount 0.45 0.03 0.00
Precip Duration 6 1 1
Precip Begin 6 AM Continuing 8 AM
Precip End Continuing 4 AM 2 PM
Mixing Hgt(m-agl/msl) 660 2010
Mixing Hgt(ft-agl/msl)2150 6600
Transport Wnd (mph) NE 14 NE 10
Vent Rate (kt-ft) 25800 59400
Dispersion 2 4
ADI early 29 Fair 19 Gen Poor 58 Gen Good
ADI late 34 Fair 11 Poor 75 Good
Max LVORI early 4 5 5
Max LVORI late 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-312015-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mclear
Precip Type Tstms Tstms None
Chance Precip (%) 80 30 0
Chance of Thunder (%) 50 30 0
Temp (24h trend) 78 (-13) 58 (-11) 78
RH % (24h trend) 77 (+39) 94 (+5) 45
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) N 5 NE 6 N 6
Precip Amount 0.37 0.02 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 2 AM
Mixing Hgt(m-agl/msl) 660 1980
Mixing Hgt(ft-agl/msl)2180 6500
Transport Wnd (mph) NE 12 NE 13
Vent Rate (kt-ft) 21800 71500
Dispersion 2 4
ADI early 25 Fair 18 Gen Poor 62 Good
ADI late 35 Fair 9 Poor 86 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-312015-
Allegheny-
Including the city of Pittsburgh Metro Area
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 40 20
Chance of Thunder (%) 60 40 0
Temp (24h trend) 81 (-9) 60 (-10) 78
RH % (24h trend) 75 (+29) 95 (+7) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 8
Precip Amount 0.31 0.04 0.00
Precip Duration 5 1 1
Precip Begin 7 AM Continuing 8 AM
Precip End Continuing 3 AM 6 PM
Mixing Hgt(m-agl/msl) 850 2030
Mixing Hgt(ft-agl/msl)2800 6650
Transport Wnd (mph) NE 9 NE 12
Vent Rate (kt-ft) 22400 66500
Dispersion 2 4
ADI early 21 Fair 19 Gen Poor 46 Gen Good
ADI late 32 Fair 15 Gen Poor 80 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-312015-
Armstrong-
Including the cities of Kittanning and Ford City
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 40 20
Chance of Thunder (%) 50 40 0
Temp (24h trend) 79 (-10) 58 (-10) 78
RH % (24h trend) 78 (+29) 95 (+2) 47
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) NE 5 NE 6 N 6
Precip Amount 0.31 0.04 0.00
Precip Duration 5 1 1
Precip Begin 6 AM Continuing 8 AM
Precip End Continuing 4 AM 6 PM
Mixing Hgt(m-agl/msl) 770 1990
Mixing Hgt(ft-agl/msl)2530 6510
Transport Wnd (mph) NE 12 NE 12
Vent Rate (kt-ft) 25300 65100
Dispersion 2 4
ADI early 24 Fair 19 Gen Poor 56 Gen Good
ADI late 35 Fair 11 Poor 78 Good
Max LVORI early 5 5 5
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-312015-
Washington-
Including the cities of Washington and Canonsburg
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 40 20
Chance of Thunder (%) 60 40 0
Temp (24h trend) 82 (-8) 60 (-10) 77
RH % (24h trend) 75 (+26) 95 (+5) 49
20ft Wnd-Val/AM(mph) Lgt/Var NE 7
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 8
Precip Amount 0.26 0.02 0.00
Precip Duration 5 1 1
Precip Begin 7 AM Continuing 8 AM
Precip End Continuing 3 AM 6 PM
Mixing Hgt(m-agl/msl) 980 1860
Mixing Hgt(ft-agl/msl)3200 6100
Transport Wnd (mph) N 8 NE 13
Vent Rate (kt-ft) 22400 67100
Dispersion 2 4
ADI early 20 Gen Poor 18 Gen Poor 43 Gen Good
ADI late 31 Fair 17 Gen Poor 71 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-312015-
Greene-
Including the city of Waynesburg
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 40 20
Chance of Thunder (%) 60 40 0
Temp (24h trend) 85 (-6) 61 (-9) 76
RH % (24h trend) 73 (+21) 97 (-1) 58
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 5 NE 6
Precip Amount 0.23 0.05 0.00
Precip Duration 4 2 1
Precip Begin 10 AM Continuing 8 AM
Precip End Continuing 5 AM 6 PM
Mixing Hgt(m-agl/msl) 1110 1610
Mixing Hgt(ft-agl/msl)3650 5290
Transport Wnd (mph) W 8 NE 13
Vent Rate (kt-ft) 25550 58190
Dispersion 3 4
ADI early 16 Gen Poor 11 Poor 37 Fair
ADI late 31 Fair 14 Gen Poor 75 Good
Max LVORI early 8 6 5
Max LVORI late 4 5 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-312015-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 50 20
Chance of Thunder (%) 70 50 0
Temp (24h trend) 83 (-7) 60 (-10) 78
RH % (24h trend) 75 (+21) 98 (+3) 54
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 6
Precip Amount 0.45 0.07 0.00
Precip Duration 6 2 1
Precip Begin 7 AM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt(m-agl/msl) 950 1780
Mixing Hgt(ft-agl/msl)3130 5840
Transport Wnd (mph) E 7 NE 10
Vent Rate (kt-ft) 18780 52560
Dispersion 2 4
ADI early 20 Gen Poor 15 Gen Poor 37 Fair
ADI late 28 Fair 13 Gen Poor 63 Good
Max LVORI early 6 6 5
Max LVORI late 4 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-312015-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 60 20
Chance of Thunder (%) 70 50 0
Temp (24h trend) 83 (-5) 59 (-10) 77
RH % (24h trend) 69 (+14) 99 (+2) 55
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var N 5
Precip Amount 0.49 0.09 0.01
Precip Duration 5 3 1
Precip Begin 7 AM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt(m-agl/msl) 1020 1680
Mixing Hgt(ft-agl/msl)3350 5520
Transport Wnd (mph) SE 7 NE 9
Vent Rate (kt-ft) 20100 44160
Dispersion 2 3
ADI early 25 Fair 8 Poor 29 Fair
ADI late 24 Fair 8 Poor 54 Gen Good
Max LVORI early 6 6 6
Max LVORI late 4 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-312015-
Fayette-
Including the city of Uniontown
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 50 20
Chance of Thunder (%) 70 50 0
Temp (24h trend) 84 (-7) 61 (-9) 76
RH % (24h trend) 73 (+21) 98 (0) 58
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var N 6
Precip Amount 0.32 0.07 0.00
Precip Duration 4 2 1
Precip Begin 10 AM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt(m-agl/msl) 1100 1510
Mixing Hgt(ft-agl/msl)3600 4970
Transport Wnd (mph) W 7 NE 10
Vent Rate (kt-ft) 21600 44730
Dispersion 2 3
ADI early 20 Gen Poor 9 Poor 32 Fair
ADI late 27 Fair 9 Poor 60 Gen Good
Max LVORI early 8 6 6
Max LVORI late 4 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-312015-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 60 30
Chance of Thunder (%) 70 50 0
Temp (24h trend) 83 (-4) 59 (-9) 74
RH % (24h trend) 72 (+15) 99 (0) 62
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.43 0.09 0.01
Precip Duration 5 3 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt(m-agl/msl) 970 1400
Mixing Hgt(ft-agl/msl)3180 4610
Transport Wnd (mph) SW 7 NE 9
Vent Rate (kt-ft) 19080 36880
Dispersion 2 3
ADI early 21 Fair 5 Very Poor 29 Fair
ADI late 23 Fair 7 Poor 48 Gen Good
Max LVORI early 8 8 6
Max LVORI late 4 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-312015-
Indiana-
Including the city of Indiana
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 50 20
Chance of Thunder (%) 60 50 0
Temp (24h trend) 80 (-10) 58 (-11) 78
RH % (24h trend) 76 (+29) 96 (-1) 50
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) NE 5 NE 6 NE 6
Precip Amount 0.32 0.06 0.00
Precip Duration 5 2 1
Precip Begin 7 AM Continuing 8 AM
Precip End Continuing 5 AM 6 PM
Mixing Hgt(m-agl/msl) 780 1930
Mixing Hgt(ft-agl/msl)2540 6330
Transport Wnd (mph) NE 10 NE 10
Vent Rate (kt-ft) 22860 56970
Dispersion 2 4
ADI early 31 Fair 17 Gen Poor 48 Gen Good
ADI late 31 Fair 12 Poor 67 Good
Max LVORI early 5 5 5
Max LVORI late 4 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-312015-
Higher Elevations of Indiana-
Including the city of Armagh
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 60 20
Chance of Thunder (%) 60 50 0
Temp (24h trend) 80 (-9) 59 (-10) 76
RH % (24h trend) 75 (+25) 97 (+3) 55
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 5 NE 5
Precip Amount 0.36 0.07 0.00
Precip Duration 6 3 1
Precip Begin 7 AM Continuing 8 AM
Precip End Continuing 6 AM 6 PM
Mixing Hgt(m-agl/msl) 810 1830
Mixing Hgt(ft-agl/msl)2660 5990
Transport Wnd (mph) E 9 NE 9
Vent Rate (kt-ft) 21280 47920
Dispersion 2 3
ADI early 28 Fair 12 Poor 32 Fair
ADI late 27 Fair 11 Poor 61 Good
Max LVORI early 5 6 5
Max LVORI late 4 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-312015-
Hancock-
Including the city of Weirton
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 80 30 0
Chance of Thunder (%) 50 30 0
Temp (24h trend) 77 (-14) 60 (-9) 78
RH % (24h trend) 77 (+40) 91 (+3) 44
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 6
Precip Amount 0.31 0.01 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 11 PM
Mixing Hgt(m-agl/msl) 700 1970
Mixing Hgt(ft-agl/msl)2290 6450
Transport Wnd (mph) N 10 NE 13
Vent Rate (kt-ft) 20610 70950
Dispersion 2 4
ADI early 25 Fair 19 Gen Poor 58 Gen Good
ADI late 35 Fair 13 Gen Poor 89 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-312015-
Brooke-
Including the cities of Follansbee and Wellsburg
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 80 30 0
Chance of Thunder (%) 50 20 0
Temp (24h trend) 80 (-11) 61 (-9) 78
RH % (24h trend) 75 (+31) 92 (+4) 45
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 7
Precip Amount 0.20 0.01 0.00
Precip Duration 4 1
Precip Begin 6 AM Continuing
Precip End Continuing 1 AM
Mixing Hgt(m-agl/msl) 800 2030
Mixing Hgt(ft-agl/msl)2610 6660
Transport Wnd (mph) N 9 NE 13
Vent Rate (kt-ft) 20880 73260
Dispersion 2 4
ADI early 20 Gen Poor 18 Gen Poor 45 Gen Good
ADI late 33 Fair 17 Gen Poor 91 Good
Max LVORI early 5 5 4
Max LVORI late 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-312015-
Ohio-
Including the city of Wheeling
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Pcldy
Precip Type Tstms Tstms None
Chance Precip (%) 80 30 0
Chance of Thunder (%) 50 30 0
Temp (24h trend) 81 (-9) 61 (-9) 78
RH % (24h trend) 76 (+24) 96 (+5) 50
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 7
Precip Amount 0.20 0.02 0.00
Precip Duration 4 1
Precip Begin 7 AM Continuing
Precip End Continuing 1 AM
Mixing Hgt(m-agl/msl) 930 1830
Mixing Hgt(ft-agl/msl)3060 6000
Transport Wnd (mph) N 7 NE 14
Vent Rate (kt-ft) 18360 72000
Dispersion 2 4
ADI early 18 Gen Poor 18 Gen Poor 43 Gen Good
ADI late 28 Fair 16 Gen Poor 86 Good
Max LVORI early 5 5 4
Max LVORI late 4 5 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-312015-
Marshall-
Including the city of Moundsville
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 50 20
Chance of Thunder (%) 60 40 0
Temp (24h trend) 84 (-6) 62 (-8) 78
RH % (24h trend) 76 (+21) 96 (+1) 55
20ft Wnd-Val/AM(mph) Lgt/Var NE 6
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 5 NE 6
Precip Amount 0.12 0.02 0.00
Precip Duration 4 1 1
Precip Begin 7 AM Continuing 8 AM
Precip End Continuing 2 AM 6 PM
Mixing Hgt(m-agl/msl) 1010 1750
Mixing Hgt(ft-agl/msl)3310 5740
Transport Wnd (mph) NW 7 NE 14
Vent Rate (kt-ft) 19860 68880
Dispersion 2 4
ADI early 15 Gen Poor 13 Gen Poor 43 Gen Good
ADI late 29 Fair 14 Gen Poor 83 Good
Max LVORI early 6 5 4
Max LVORI late 4 5 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-312015-
Wetzel-
Including the city of New Martinsville
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 60 20
Chance of Thunder (%) 60 50 0
Temp (24h trend) 85 (-6) 62 (-8) 77
RH % (24h trend) 74 (+19) 99 (+1) 61
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var NE 6
Precip Amount 0.16 0.05 0.00
Precip Duration 4 2 1
Precip Begin 9 AM Continuing 8 AM
Precip End Continuing 3 AM 6 PM
Mixing Hgt(m-agl/msl) 1110 1600
Mixing Hgt(ft-agl/msl)3660 5260
Transport Wnd (mph) W 7 NE 14
Vent Rate (kt-ft) 21960 63120
Dispersion 2 4
ADI early 15 Gen Poor 9 Poor 40 Fair
ADI late 33 Fair 10 Poor 77 Good
Max LVORI early 8 6 4
Max LVORI late 4 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-312015-
Marion-
Including the city of Fairmont
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 60 30
Chance of Thunder (%) 60 50 0
Temp (24h trend) 86 (-5) 62 (-8) 76
RH % (24h trend) 73 (+15) 99 (0) 66
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var N 6
Precip Amount 0.14 0.06 0.00
Precip Duration 4 2 1
Precip Begin 10 AM Continuing 8 AM
Precip End Continuing 6 AM 6 PM
Mixing Hgt(m-agl/msl) 1220 1500
Mixing Hgt(ft-agl/msl)4000 4910
Transport Wnd (mph) NW 8 NE 13
Vent Rate (kt-ft) 28000 54010
Dispersion 3 4
ADI early 18 Gen Poor 9 Poor 36 Fair
ADI late 31 Fair 9 Poor 66 Good
Max LVORI early 9 8 5
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-312015-
Monongalia-
Including the city of Morgantown
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 50 30
Chance of Thunder (%) 70 50 0
Temp (24h trend) 84 (-6) 62 (-8) 76
RH % (24h trend) 75 (+22) 99 (+1) 64
20ft Wnd-Val/AM(mph) Lgt/Var NE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var N 5
Precip Amount 0.17 0.06 0.00
Precip Duration 3 2 1
Precip Begin 10 AM Continuing 8 AM
Precip End Continuing 6 AM 6 PM
Mixing Hgt(m-agl/msl) 1150 1480
Mixing Hgt(ft-agl/msl)3760 4860
Transport Wnd (mph) NW 8 NE 13
Vent Rate (kt-ft) 26320 53460
Dispersion 3 4
ADI early 17 Gen Poor 8 Poor 36 Fair
ADI late 31 Fair 9 Poor 63 Good
Max LVORI early 9 7 5
Max LVORI late 4 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-312015-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 60 30
Chance of Thunder (%) 70 50 0
Temp (24h trend) 83 (-4) 60 (-9) 74
RH % (24h trend) 73 (+16) 100 (+1) 67
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.24 0.08 0.01
Precip Duration 5 3 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing 6 PM
Mixing Hgt(m-agl/msl) 950 1220
Mixing Hgt(ft-agl/msl)3120 3990
Transport Wnd (mph) W 9 NE 12
Vent Rate (kt-ft) 24960 39900
Dispersion 2 3
ADI early 16 Gen Poor 7 Poor 31 Fair
ADI late 27 Fair 8 Poor 40 Fair
Max LVORI early 8 8 6
Max LVORI late 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-312015-
Preston-
Including the cities of Kingwood and Bruceton Mills
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 60 30
Chance of Thunder (%) 70 50 0
Temp (24h trend) 85 (-3) 60 (-8) 75
RH % (24h trend) 71 (+13) 100 (+1) 67
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.21 0.08 0.01
Precip Duration 5 3 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1040 1270
Mixing Hgt(ft-agl/msl)3410 4170
Transport Wnd (mph) W 9 NE 10
Vent Rate (kt-ft) 27280 37530
Dispersion 3 3
ADI early 19 Gen Poor 6 Very Poor 33 Fair
ADI late 31 Fair 5 Very Poor 40 Fair
Max LVORI early 9 9 5
Max LVORI late 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-312015-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 90 60 30
Chance of Thunder (%) 70 60 0
Temp (24h trend) 84 (-2) 59 (-9) 73
RH % (24h trend) 69 (+8) 100 (+1) 69
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.20 0.09 0.03
Precip Duration 5 5 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 980 1120
Mixing Hgt(ft-agl/msl)3220 3670
Transport Wnd (mph) W 8 NE 9
Vent Rate (kt-ft) 22540 29360
Dispersion 2 3
ADI early 19 Gen Poor 5 Very Poor 30 Fair
ADI late 34 Fair 8 Poor 34 Fair
Max LVORI early 9 9 6
Max LVORI late 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-312015-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 80 80 40
Chance of Thunder (%) 60 60 0
Temp (24h trend) 86 (-1) 61 (-7) 75
RH % (24h trend) 65 (+5) 100 (+1) 66
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.26 0.16 0.04
Precip Duration 5 5 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1190 1180
Mixing Hgt(ft-agl/msl)3910 3870
Transport Wnd (mph) W 10 NE 9
Vent Rate (kt-ft) 35190 30960
Dispersion 3 3
ADI early 25 Fair 4 Very Poor 30 Fair
ADI late 41 Gen Good 4 Very Poor 35 Fair
Max LVORI early 9 9 5
Max LVORI late 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-312015-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1211 AM EDT Thu Jul 31 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Showers
Chance Precip (%) 70 90 40
Chance of Thunder (%) 60 60 0
Temp (24h trend) 81 (-3) 57 (-8) 70
RH % (24h trend) 71 (+8) 100 (+1) 75
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.20 0.12 0.05
Precip Duration 5 5 2
Precip Begin 6 AM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1030 970
Mixing Hgt(ft-agl/msl)3360 3180
Transport Wnd (mph) W 9 NE 9
Vent Rate (kt-ft) 26880 25440
Dispersion 3 2
ADI early 24 Fair 6 Very Poor 16 Gen Poor
ADI late 35 Fair 6 Very Poor 27 Fair
Max LVORI early 8 9 8
Max LVORI late 3 9 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SATURDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Northeast winds around 5 mph.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Light winds.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. East winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 60. Highs in the mid 80s.
Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy. A chance of showers. Lows in the
lower 60s. Highs in the lower 80s. Southeast winds around 5 mph.
$$