Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
808
FNUS51 KPBZ 171600
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1200 PM EDT Sun Aug 17 2025
.Discussion...
Thunderstorm activity will wane with the loss of heating. Dry
weather is expected for most of the week with only isolated to
scattered activity Tuesday night through Wednesday night.
Min relative humidity will be lowest Monday with values in the
40% range. A slight uptick in afternoon humidity is forecast for
the reminder of the week.
Wind will be light all week.
&&
OHZ039-180815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 (-8) 82 (-4) 58 87
RH % (24h trend) 100 (+1) 44 (-21) 97 45
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 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) 1470 1740
Mixing Hgt(ft-agl/msl) 4810 5700
Transport Wnd (mph) N 6 SW 5
Vent Rate (kt-ft) 24050 22800
Dispersion 3 2
ADI early 23 Fair 27 Fair 4 Very Poor 12 Poor
ADI late 8 Poor 37 Fair 3 Very Poor 31 Fair
Max LVORI early 6 7 4 7
Max LVORI late 8 2 8 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-180815-
Carroll-
Including the cities of Carrollton and Malvern
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 (-9) 82 (-4) 59 87
RH % (24h trend) 99 (+3) 44 (-21) 97 44
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1390 1740
Mixing Hgt(ft-agl/msl) 4560 5720
Transport Wnd (mph) NE 6 SW 6
Vent Rate (kt-ft) 22800 28600
Dispersion 3 3
ADI early 24 Fair 28 Fair 4 Very Poor 12 Poor
ADI late 8 Poor 33 Fair 4 Very Poor 39 Fair
Max LVORI early 6 7 4 7
Max LVORI late 8 1 8 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-180815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 (-9) 81 (-4) 59 87
RH % (24h trend) 100 (+6) 42 (-23) 97 44
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 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) 1360 1640
Mixing Hgt(ft-agl/msl) 4470 5390
Transport Wnd (mph) NE 6 SW 5
Vent Rate (kt-ft) 22350 21560
Dispersion 3 2
ADI early 25 Fair 29 Fair 4 Very Poor 16 Gen Poor
ADI late 8 Poor 31 Fair 4 Very Poor 32 Fair
Max LVORI early 6 7 4 7
Max LVORI late 8 2 8 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-180815-
Coshocton-
Including the city of Coshocton
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 (-7) 83 (-3) 58 87
RH % (24h trend) 100 (+1) 45 (-20) 94 46
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1500 1680
Mixing Hgt(ft-agl/msl) 4920 5500
Transport Wnd (mph) N 6 SW 5
Vent Rate (kt-ft) 24600 22000
Dispersion 3 2
ADI early 19 Gen Poor 27 Fair 4 Very Poor 11 Poor
ADI late 7 Poor 37 Fair 4 Very Poor 30 Fair
Max LVORI early 6 8 4 6
Max LVORI late 8 2 6 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-180815-
Harrison-
Including the city of Cadiz
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 (-7) 82 (-4) 60 87
RH % (24h trend) 100 (+2) 44 (-19) 98 43
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 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) 1470 1740
Mixing Hgt(ft-agl/msl) 4820 5700
Transport Wnd (mph) NE 6 SW 5
Vent Rate (kt-ft) 24100 22800
Dispersion 3 2
ADI early 18 Gen Poor 26 Fair 4 Very Poor 12 Poor
ADI late 8 Poor 34 Fair 4 Very Poor 33 Fair
Max LVORI early 6 8 4 7
Max LVORI late 8 3 8 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-180815-
Jefferson OH-
Including the city of Steubenville
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 (-7) 82 (-5) 60 87
RH % (24h trend) 99 (+2) 43 (-18) 96 43
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1520 1690
Mixing Hgt(ft-agl/msl) 4990 5540
Transport Wnd (mph) NE 6 SW 5
Vent Rate (kt-ft) 24950 22160
Dispersion 3 2
ADI early 23 Fair 26 Fair 4 Very Poor 12 Poor
ADI late 8 Poor 35 Fair 4 Very Poor 32 Fair
Max LVORI early 5 7 3 6
Max LVORI late 8 2 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-180815-
Muskingum-
Including the city of Zanesville
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-6) 83 (-4) 58 87
RH % (24h trend) 100 (+3) 49 (-16) 96 47
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(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) 1480 1580
Mixing Hgt(ft-agl/msl) 4860 5180
Transport Wnd (mph) N 5 W 3
Vent Rate (kt-ft) 19440 15540
Dispersion 2 2
ADI early 9 Poor 26 Fair 4 Very Poor 11 Poor
ADI late 5 Very Poor 33 Fair 3 Very Poor 25 Fair
Max LVORI early 7 8 5 7
Max LVORI late 9 3 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-180815-
Guernsey-
Including the city of Cambridge
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-6) 83 (-4) 59 87
RH % (24h trend) 100 (0) 48 (-17) 99 46
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1520 1700
Mixing Hgt(ft-agl/msl) 4970 5570
Transport Wnd (mph) N 5 SW 3
Vent Rate (kt-ft) 19880 16710
Dispersion 2 2
ADI early 8 Poor 27 Fair 3 Very Poor 12 Poor
ADI late 7 Poor 34 Fair 3 Very Poor 26 Fair
Max LVORI early 7 8 5 8
Max LVORI late 9 3 9 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-180815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-6) 82 (-5) 60 87
RH % (24h trend) 100 (+4) 48 (-16) 98 46
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 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) 1500 1720
Mixing Hgt(ft-agl/msl) 4930 5630
Transport Wnd (mph) NE 5 SW 3
Vent Rate (kt-ft) 19720 16890
Dispersion 2 2
ADI early 10 Poor 25 Fair 4 Very Poor 12 Poor
ADI late 8 Poor 34 Fair 4 Very Poor 28 Fair
Max LVORI early 6 8 4 7
Max LVORI late 8 3 9 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-180815-
Noble-
Including the city of Caldwell
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-6) 83 (-5) 60 87
RH % (24h trend) 100 (+1) 51 (-13) 99 47
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1500 1690
Mixing Hgt(ft-agl/msl) 4910 5530
Transport Wnd (mph) NE 5 W 3
Vent Rate (kt-ft) 19640 16590
Dispersion 2 2
ADI early 9 Poor 26 Fair 3 Very Poor 11 Poor
ADI late 6 Very Poor 34 Fair 3 Very Poor 26 Fair
Max LVORI early 7 8 5 9
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-180815-
Monroe-
Including the city of Woodsfield
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 64 (-4) 83 (-5) 61 88
RH % (24h trend) 100 (+3) 52 (-11) 99 48
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(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) 1520 1790
Mixing Hgt(ft-agl/msl) 4980 5860
Transport Wnd (mph) NE 5 W 3
Vent Rate (kt-ft) 19920 17580
Dispersion 2 2
ADI early 9 Poor 24 Fair 4 Very Poor 11 Poor
ADI late 6 Very Poor 33 Fair 4 Very Poor 27 Fair
Max LVORI early 7 8 5 8
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-180815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 56 (-11) 81 (-2) 58 86
RH % (24h trend) 100 (+2) 42 (-29) 100 49
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt(m-agl/msl) 1350 1460
Mixing Hgt(ft-agl/msl) 4440 4800
Transport Wnd (mph) NE 5 S 7
Vent Rate (kt-ft) 17760 28800
Dispersion 2 3
ADI early 23 Fair 32 Fair 5 Very Poor 25 Fair
ADI late 8 Poor 33 Fair 6 Very Poor 43 Gen Good
Max LVORI early 8 7 4 7
Max LVORI late 9 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-180815-
Venango-
Including the cities of Oil City and Franklin
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 54 (-11) 80 (-3) 58 84
RH % (24h trend) 100 (+4) 41 (-32) 100 55
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt(m-agl/msl) 1480 1590
Mixing Hgt(ft-agl/msl) 4860 5220
Transport Wnd (mph) NE 5 S 8
Vent Rate (kt-ft) 19440 36540
Dispersion 2 3
ADI early 11 Poor 34 Fair 5 Very Poor 32 Fair
ADI late 8 Poor 34 Fair 7 Poor 51 Gen Good
Max LVORI early 8 6 4 7
Max LVORI late 8 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-180815-
Forest-
Including the city of Tionesta
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None Showers
Chance Precip (%) 30 0 0 20
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 52 (-12) 80 (-3) 57 81
RH % (24h trend) 100 (+5) 36 (-32) 98 54
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 0 0
Precip Begin 6 PM 2 PM
Precip End 8 PM Continuing
Mixing Hgt(m-agl/msl) 1500 1570
Mixing Hgt(ft-agl/msl) 4930 5150
Transport Wnd (mph) E 5 S 10
Vent Rate (kt-ft) 19720 46350
Dispersion 2 3
ADI early 11 Poor 36 Fair 5 Very Poor 37 Fair
ADI late 9 Poor 34 Fair 7 Poor 60 Gen Good
Max LVORI early 8 6 4 6
Max LVORI late 7 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-180815-
Lawrence-
Including the cities of New Castle and Ellwood City
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (-10) 82 (-4) 59 87
RH % (24h trend) 100 (0) 42 (-25) 100 45
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 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) 1380 1520
Mixing Hgt(ft-agl/msl) 4540 5000
Transport Wnd (mph) NE 6 S 7
Vent Rate (kt-ft) 22700 30000
Dispersion 3 3
ADI early 25 Fair 28 Fair 5 Very Poor 21 Fair
ADI late 8 Poor 32 Fair 5 Very Poor 43 Gen Good
Max LVORI early 8 8 4 8
Max LVORI late 9 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-180815-
Butler-
Including the city of Butler
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (-10) 82 (-4) 59 85
RH % (24h trend) 100 (+1) 44 (-19) 100 51
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1420 1650
Mixing Hgt(ft-agl/msl) 4660 5400
Transport Wnd (mph) NE 5 S 7
Vent Rate (kt-ft) 18640 32400
Dispersion 2 3
ADI early 20 Gen Poor 28 Fair 5 Very Poor 30 Fair
ADI late 8 Poor 32 Fair 6 Very Poor 47 Gen Good
Max LVORI early 9 7 5 8
Max LVORI late 9 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-180815-
Clarion-
Including the city of Clarion
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Pcldy
Precip Type None None None Showers
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-11) 81 (-4) 59 83
RH % (24h trend) 99 (+4) 38 (-28) 98 52
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1490 1710
Mixing Hgt(ft-agl/msl) 4890 5610
Transport Wnd (mph) E 5 S 9
Vent Rate (kt-ft) 19560 44880
Dispersion 2 3
ADI early 12 Poor 34 Fair 5 Very Poor 40 Fair
ADI late 9 Poor 37 Fair 8 Poor 61 Good
Max LVORI early 6 5 4 6
Max LVORI late 7 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-180815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Pcldy
Precip Type None None None Showers
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-10) 81 (-4) 57 80
RH % (24h trend) 94 (+1) 37 (-27) 96 55
20ft Wnd-Val/AM(mph) NE 5 SE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1650 1560
Mixing Hgt(ft-agl/msl) 5420 5100
Transport Wnd (mph) E 5 S 12
Vent Rate (kt-ft) 21680 51000
Dispersion 2 3
ADI early 12 Poor 36 Fair 5 Very Poor 38 Fair
ADI late 10 Poor 37 Fair 8 Poor 62 Good
Max LVORI early 5 5 4 6
Max LVORI late 6 2 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-180815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 (-10) 82 (-4) 60 87
RH % (24h trend) 99 (+4) 42 (-21) 98 44
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 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) 1460 1650
Mixing Hgt(ft-agl/msl) 4780 5400
Transport Wnd (mph) NE 5 SW 6
Vent Rate (kt-ft) 19120 27000
Dispersion 2 3
ADI early 25 Fair 27 Fair 4 Very Poor 20 Gen Poor
ADI late 8 Poor 33 Fair 4 Very Poor 37 Fair
Max LVORI early 6 7 3 6
Max LVORI late 7 2 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-180815-
Allegheny-
Including the city of Pittsburgh Metro Area
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 (-9) 82 (-6) 62 86
RH % (24h trend) 99 (+5) 48 (-15) 98 48
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1540 1900
Mixing Hgt(ft-agl/msl) 5060 6220
Transport Wnd (mph) NE 6 S 6
Vent Rate (kt-ft) 25300 31100
Dispersion 3 3
ADI early 24 Fair 28 Fair 5 Very Poor 25 Fair
ADI late 8 Poor 35 Fair 5 Very Poor 45 Gen Good
Max LVORI early 6 5 4 6
Max LVORI late 7 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-180815-
Armstrong-
Including the cities of Kittanning and Ford City
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Pcldy Pcldy
Precip Type None None None Showers
Chance Precip (%) 0 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (-9) 82 (-5) 60 85
RH % (24h trend) 100 (+1) 45 (-22) 100 54
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1530 1780
Mixing Hgt(ft-agl/msl) 5030 5840
Transport Wnd (mph) E 5 S 8
Vent Rate (kt-ft) 20120 40880
Dispersion 2 3
ADI early 12 Poor 31 Fair 5 Very Poor 38 Fair
ADI late 8 Poor 33 Fair 7 Poor 57 Gen Good
Max LVORI early 7 6 5 7
Max LVORI late 7 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-180815-
Washington-
Including the cities of Washington and Canonsburg
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 (-6) 82 (-5) 61 86
RH % (24h trend) 100 (+3) 47 (-15) 98 47
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1510 1860
Mixing Hgt(ft-agl/msl) 4960 6120
Transport Wnd (mph) NE 6 SW 6
Vent Rate (kt-ft) 24800 30600
Dispersion 3 3
ADI early 21 Fair 24 Fair 5 Very Poor 21 Fair
ADI late 8 Poor 36 Fair 5 Very Poor 41 Gen Good
Max LVORI early 6 7 4 7
Max LVORI late 8 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-180815-
Greene-
Including the city of Waynesburg
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 63 (-5) 82 (-6) 62 86
RH % (24h trend) 100 (+3) 54 (-9) 100 53
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt(m-agl/msl) 1490 1940
Mixing Hgt(ft-agl/msl) 4900 6350
Transport Wnd (mph) NE 6 SW 5
Vent Rate (kt-ft) 24500 25400
Dispersion 3 2
ADI early 9 Poor 21 Fair 5 Very Poor 25 Fair
ADI late 8 Poor 33 Fair 5 Very Poor 36 Fair
Max LVORI early 7 8 5 8
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-180815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Showers None None Showers
Chance Precip (%) 30 0 0 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 (-7) 82 (-6) 61 86
RH % (24h trend) 100 (+3) 53 (-11) 99 56
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 0 1
Precip Begin 6 PM 6 AM
Precip End 9 PM Continuing
Mixing Hgt(m-agl/msl) 1470 1810
Mixing Hgt(ft-agl/msl) 4810 5940
Transport Wnd (mph) NE 5 S 8
Vent Rate (kt-ft) 19240 41580
Dispersion 2 3
ADI early 19 Gen Poor 24 Fair 6 Very Poor 33 Fair
ADI late 8 Poor 32 Fair 6 Very Poor 51 Gen Good
Max LVORI early 7 8 5 6
Max LVORI late 8 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-180815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None Showers Showers
Chance Precip (%) 40 0 20 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 60 (-7) 82 (-4) 61 82
RH % (24h trend) 100 (+7) 49 (-11) 97 55
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 1 1 1
Precip Begin 6 PM 8 PM Continuing
Precip End 1 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 1470 1280
Mixing Hgt(ft-agl/msl) 4810 4200
Transport Wnd (mph) E 5 S 10
Vent Rate (kt-ft) 19240 37800
Dispersion 2 3
ADI early 8 Poor 17 Gen Poor 6 Very Poor 35 Fair
ADI late 5 Very Poor 29 Fair 10 Poor 47 Gen Good
Max LVORI early 7 6 5 5
Max LVORI late 9 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-180815-
Fayette-
Including the city of Uniontown
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None Showers
Chance Precip (%) 40 0 0 20
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 63 (-5) 82 (-6) 63 86
RH % (24h trend) 100 (+3) 54 (-9) 98 54
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 1 0
Precip Begin 6 PM 2 PM
Precip End 9 PM Continuing
Mixing Hgt(m-agl/msl) 1440 1860
Mixing Hgt(ft-agl/msl) 4730 6120
Transport Wnd (mph) NE 6 S 6
Vent Rate (kt-ft) 23650 30600
Dispersion 3 3
ADI early 7 Poor 18 Gen Poor 5 Very Poor 33 Fair
ADI late 5 Very Poor 32 Fair 5 Very Poor 45 Gen Good
Max LVORI early 7 8 5 6
Max LVORI late 9 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-180815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None Showers Showers
Chance Precip (%) 50 0 20 20
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 61 (-4) 80 (-5) 60 82
RH % (24h trend) 100 (+1) 57 (-4) 100 58
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 1 1 1
Precip Begin 6 PM 8 PM Continuing
Precip End 10 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1360 1330
Mixing Hgt(ft-agl/msl) 4470 4360
Transport Wnd (mph) NE 5 S 8
Vent Rate (kt-ft) 17880 30520
Dispersion 2 3
ADI early 7 Poor 12 Poor 7 Poor 35 Fair
ADI late 4 Very Poor 25 Fair 7 Poor 42 Gen Good
Max LVORI early 9 8 6 6
Max LVORI late 9 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-180815-
Indiana-
Including the city of Indiana
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type None None Showers Showers
Chance Precip (%) 0 0 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (-9) 82 (-4) 59 82
RH % (24h trend) 98 (-1) 48 (-17) 97 58
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SE 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 0 1
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1630 1560
Mixing Hgt(ft-agl/msl) 5340 5110
Transport Wnd (mph) E 5 S 10
Vent Rate (kt-ft) 21360 45990
Dispersion 2 3
ADI early 11 Poor 30 Fair 6 Very Poor 37 Fair
ADI late 8 Poor 36 Fair 8 Poor 57 Gen Good
Max LVORI early 6 6 5 6
Max LVORI late 7 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-180815-
Higher Elevations of Indiana-
Including the city of Armagh
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Showers None Showers Showers
Chance Precip (%) 20 0 20 20
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 (-8) 80 (-5) 61 79
RH % (24h trend) 98 (0) 52 (-13) 96 61
20ft Wnd-Val/AM(mph) Lgt/Var SE 5
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 0 1 1
Precip Begin 6 PM 8 PM Continuing
Precip End 1 AM Continuing Continuing
Mixing Hgt(m-agl/msl) 1500 1300
Mixing Hgt(ft-agl/msl) 4930 4250
Transport Wnd (mph) E 6 S 12
Vent Rate (kt-ft) 24650 42500
Dispersion 3 3
ADI early 9 Poor 25 Fair 8 Poor 36 Fair
ADI late 8 Poor 33 Fair 9 Poor 54 Gen Good
Max LVORI early 7 5 5 5
Max LVORI late 7 2 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-180815-
Hancock-
Including the city of Weirton
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 (-9) 82 (-5) 61 87
RH % (24h trend) 98 (+3) 43 (-18) 95 42
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1500 1660
Mixing Hgt(ft-agl/msl) 4910 5440
Transport Wnd (mph) NE 5 SW 5
Vent Rate (kt-ft) 19640 21760
Dispersion 2 2
ADI early 24 Fair 27 Fair 4 Very Poor 15 Gen Poor
ADI late 7 Poor 34 Fair 4 Very Poor 30 Fair
Max LVORI early 5 7 3 6
Max LVORI late 7 2 6 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-180815-
Brooke-
Including the cities of Follansbee and Wellsburg
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-7) 82 (-6) 62 89
RH % (24h trend) 100 (+6) 43 (-16) 96 42
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 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) 1620 1730
Mixing Hgt(ft-agl/msl) 5310 5680
Transport Wnd (mph) NE 6 SW 5
Vent Rate (kt-ft) 26550 22720
Dispersion 3 2
ADI early 10 Poor 27 Fair 4 Very Poor 17 Gen Poor
ADI late 8 Poor 37 Fair 4 Very Poor 34 Fair
Max LVORI early 5 8 3 6
Max LVORI late 7 2 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-180815-
Ohio-
Including the city of Wheeling
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None None
Chance Precip (%) 0 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 63 (-7) 82 (-5) 62 87
RH % (24h trend) 100 (+7) 48 (-15) 97 46
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt(m-agl/msl) 1550 1780
Mixing Hgt(ft-agl/msl) 5090 5830
Transport Wnd (mph) NE 6 SW 5
Vent Rate (kt-ft) 25450 23320
Dispersion 3 2
ADI early 22 Fair 25 Fair 4 Very Poor 17 Gen Poor
ADI late 7 Poor 35 Fair 4 Very Poor 33 Fair
Max LVORI early 6 8 4 7
Max LVORI late 8 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-180815-
Marshall-
Including the city of Moundsville
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 64 (-5) 82 (-6) 63 89
RH % (24h trend) 100 (+6) 53 (-12) 98 50
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 8 PM
Mixing Hgt(m-agl/msl) 1560 1870
Mixing Hgt(ft-agl/msl) 5130 6120
Transport Wnd (mph) NE 5 W 5
Vent Rate (kt-ft) 20520 24480
Dispersion 2 2
ADI early 10 Poor 22 Fair 4 Very Poor 13 Gen Poor
ADI late 7 Poor 35 Fair 4 Very Poor 34 Fair
Max LVORI early 6 8 4 8
Max LVORI late 8 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-180815-
Wetzel-
Including the city of New Martinsville
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 64 (-4) 83 (-4) 63 88
RH % (24h trend) 100 (+5) 57 (-9) 100 52
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 0
Precip Begin 6 PM
Precip End 9 PM
Mixing Hgt(m-agl/msl) 1590 1940
Mixing Hgt(ft-agl/msl) 5230 6360
Transport Wnd (mph) NE 5 SW 5
Vent Rate (kt-ft) 20920 25440
Dispersion 2 2
ADI early 8 Poor 20 Gen Poor 4 Very Poor 18 Gen Poor
ADI late 5 Very Poor 35 Fair 4 Very Poor 35 Fair
Max LVORI early 8 8 5 8
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-180815-
Marion-
Including the city of Fairmont
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None Showers
Chance Precip (%) 50 0 0 10
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 64 (-3) 81 (-7) 63 86
RH % (24h trend) 100 (+4) 62 (-1) 99 58
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.14 0.00 0.00 0.00
Precip Duration 1 0
Precip Begin 6 PM 2 PM
Precip End 9 PM 6 PM
Mixing Hgt(m-agl/msl) 1500 2050
Mixing Hgt(ft-agl/msl) 4910 6710
Transport Wnd (mph) NE 5 SW 3
Vent Rate (kt-ft) 19640 20130
Dispersion 2 3
ADI early 8 Poor 16 Gen Poor 5 Very Poor 23 Fair
ADI late 4 Very Poor 34 Fair 4 Very Poor 31 Fair
Max LVORI early 9 8 6 9
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-180815-
Monongalia-
Including the city of Morgantown
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None None Showers
Chance Precip (%) 50 0 0 20
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 64 (-4) 81 (-7) 63 85
RH % (24h trend) 100 (+5) 60 (-3) 99 58
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 1 0
Precip Begin 6 PM 2 PM
Precip End 9 PM Continuing
Mixing Hgt(m-agl/msl) 1430 1950
Mixing Hgt(ft-agl/msl) 4700 6390
Transport Wnd (mph) NE 5 SW 5
Vent Rate (kt-ft) 18800 25560
Dispersion 2 2
ADI early 7 Poor 15 Gen Poor 5 Very Poor 26 Fair
ADI late 4 Very Poor 32 Fair 5 Very Poor 33 Fair
Max LVORI early 8 8 5 7
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-180815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms None Showers Showers
Chance Precip (%) 60 0 20 20
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 63 (-3) 79 (-6) 61 82
RH % (24h trend) 100 (+4) 62 (0) 100 60
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.15 0.00 0.00 0.00
Precip Duration 1 1 0
Precip Begin 6 PM 6 PM 2 PM
Precip End 9 PM 2 AM Continuing
Mixing Hgt(m-agl/msl) 1250 1600
Mixing Hgt(ft-agl/msl) 4100 5250
Transport Wnd (mph) NE 5 SW 5
Vent Rate (kt-ft) 16400 21000
Dispersion 2 2
ADI early 6 Very Poor 11 Poor 6 Very Poor 23 Fair
ADI late 4 Very Poor 23 Fair 6 Very Poor 31 Fair
Max LVORI early 9 8 6 7
Max LVORI late 9 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-180815-
Preston-
Including the cities of Kingwood and Bruceton Mills
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 60 20 20 20
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 63 (-2) 81 (-5) 61 84
RH % (24h trend) 100 (+3) 60 (0) 100 60
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.23 0.00 0.00 0.00
Precip Duration 1 1 1 1
Precip Begin 6 PM 8 AM 8 PM Continuing
Precip End 10 PM 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1360 1680
Mixing Hgt(ft-agl/msl) 4460 5500
Transport Wnd (mph) NE 5 SW 6
Vent Rate (kt-ft) 17840 27500
Dispersion 2 3
ADI early 6 Very Poor 12 Poor 6 Very Poor 27 Fair
ADI late 4 Very Poor 24 Fair 6 Very Poor 37 Fair
Max LVORI early 9 8 6 7
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-180815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 60 20 20 30
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 63 (-3) 79 (-6) 61 81
RH % (24h trend) 100 (+3) 61 (0) 100 62
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.24 0.00 0.00 0.00
Precip Duration 1 1 1 2
Precip Begin 6 PM 8 AM 7 PM Continuing
Precip End 10 PM 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1250 1430
Mixing Hgt(ft-agl/msl) 4120 4710
Transport Wnd (mph) NE 5 S 7
Vent Rate (kt-ft) 16480 28260
Dispersion 2 3
ADI early 7 Poor 13 Gen Poor 8 Poor 25 Fair
ADI late 4 Very Poor 23 Fair 9 Poor 37 Fair
Max LVORI early 9 8 6 7
Max LVORI late 9 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-180815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 50 20 20 30
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 63 (-2) 81 (-5) 62 83
RH % (24h trend) 100 (+1) 59 (+4) 100 60
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.19 0.00 0.00 0.00
Precip Duration 1 1 1 2
Precip Begin 6 PM 12 PM 8 PM Continuing
Precip End 10 PM 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1300 1560
Mixing Hgt(ft-agl/msl) 4260 5120
Transport Wnd (mph) NE 3 SW 7
Vent Rate (kt-ft) 12780 30720
Dispersion 2 3
ADI early 7 Poor 14 Gen Poor 5 Very Poor 25 Fair
ADI late 3 Very Poor 22 Fair 5 Very Poor 38 Fair
Max LVORI early 9 9 7 7
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-180815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1200 PM EDT Sun Aug 17 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers Showers
Chance Precip (%) 40 30 30 30
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 60 (-2) 76 (-5) 58 76
RH % (24h trend) 100 (+2) 68 (+6) 100 71
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.12 0.00 0.01 0.00
Precip Duration 1 1 2 2
Precip Begin 6 PM 8 AM 7 PM Continuing
Precip End 10 PM 6 PM Continuing Continuing
Mixing Hgt(m-agl/msl) 1120 1180
Mixing Hgt(ft-agl/msl) 3670 3870
Transport Wnd (mph) NE 5 S 8
Vent Rate (kt-ft) 14680 27090
Dispersion 2 3
ADI early 9 Poor 11 Poor 8 Poor 18 Gen Poor
ADI late 4 Very Poor 18 Gen Poor 8 Poor 28 Fair
Max LVORI early 8 8 7 8
Max LVORI late 9 4 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.WEDNESDAY...Partly cloudy. A chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the mid 80s.
Southeast winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 60s. Highs in the
lower 80s. North winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Northeast winds 5 to 10 mph.
.SATURDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. Southwest winds around 5 mph.
.SUNDAY...Partly cloudy. Lows in the lower 60s. Highs around 80.
Southwest winds 5 to 10 mph.
$$