Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
617
FNUS51 KPBZ 211810
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
Issued by National Weather Service Charleston WV
210 PM EDT Thu Aug 21 2025
.Discussion...
Fire weather potential is low today with minRH valus range from
mid-60s to the mid-70s and light drizzle. Light winds are expected
to prevail from the northeast. MinRH values will decrease tomorrow
into the 40s with decreasing cloud coverage.
Forecaster: Hefferan
&&
OHZ039-220815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 84 (+4) 61 86
RH % (24h trend) 100 (+7) 50 (-21) 96 49
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1660 2320
Mixing Hgt(ft-agl/msl) 5440 7620
Transport Wnd (mph) NE 3 SW 14
Vent Rate (kt-ft) 16320 91440
Dispersion 2 4
ADI early 7 Poor 19 Gen Poor 2 Very Poor 41 Gen Good
ADI late 4 Very Poor 27 Fair 2 Very Poor 105 Very Good
Max LVORI early 6 9 5 7
Max LVORI late 9 3 8 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-220815-
Carroll-
Including the cities of Carrollton and Malvern
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 83 (+3) 61 86
RH % (24h trend) 100 (+4) 48 (-24) 94 48
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 5 Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1610 2330
Mixing Hgt(ft-agl/msl) 5300 7640
Transport Wnd (mph) NE 5 SW 14
Vent Rate (kt-ft) 21200 91680
Dispersion 2 4
ADI early 14 Gen Poor 22 Fair 3 Very Poor 48 Gen Good
ADI late 5 Very Poor 29 Fair 3 Very Poor 107 Very Good
Max LVORI early 7 9 5 6
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-220815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 83 (+3) 60 86
RH % (24h trend) 100 (+2) 45 (-27) 94 47
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1650 2420
Mixing Hgt(ft-agl/msl) 5420 7930
Transport Wnd (mph) NE 3 SW 14
Vent Rate (kt-ft) 16260 95160
Dispersion 2 4
ADI early 8 Poor 22 Fair 2 Very Poor 57 Gen Good
ADI late 4 Very Poor 26 Fair 2 Very Poor 116 Very Good
Max LVORI early 7 9 5 6
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-220815-
Coshocton-
Including the city of Coshocton
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 84 (+4) 61 86
RH % (24h trend) 100 (+5) 52 (-20) 100 50
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1610 2250
Mixing Hgt(ft-agl/msl) 5280 7380
Transport Wnd (mph) NE 5 SW 13
Vent Rate (kt-ft) 21120 81180
Dispersion 2 4
ADI early 12 Poor 18 Gen Poor 2 Very Poor 36 Fair
ADI late 4 Very Poor 30 Fair 2 Very Poor 98 Good
Max LVORI early 7 9 6 9
Max LVORI late 9 3 9 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-220815-
Harrison-
Including the city of Cadiz
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+3) 62 86
RH % (24h trend) 100 (+3) 46 (-23) 94 48
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1680 2330
Mixing Hgt(ft-agl/msl) 5520 7630
Transport Wnd (mph) NE 3 SW 12
Vent Rate (kt-ft) 16560 76300
Dispersion 2 4
ADI early 6 Very Poor 22 Fair 2 Very Poor 39 Fair
ADI late 4 Very Poor 27 Fair 3 Very Poor 94 Good
Max LVORI early 7 9 5 6
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-220815-
Jefferson OH-
Including the city of Steubenville
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+3) 62 87
RH % (24h trend) 100 (+5) 44 (-22) 93 45
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1740 2300
Mixing Hgt(ft-agl/msl) 5700 7550
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 22800 75500
Dispersion 2 4
ADI early 6 Very Poor 24 Fair 3 Very Poor 39 Fair
ADI late 4 Very Poor 30 Fair 3 Very Poor 92 Good
Max LVORI early 6 8 4 6
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-220815-
Muskingum-
Including the city of Zanesville
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Pcldy Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+3) 62 86
RH % (24h trend) 100 (+6) 53 (-18) 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1570 2290
Mixing Hgt(ft-agl/msl) 5160 7530
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 20640 75300
Dispersion 2 4
ADI early 5 Very Poor 20 Gen Poor 2 Very Poor 28 Fair
ADI late 4 Very Poor 29 Fair 2 Very Poor 96 Good
Max LVORI early 8 9 6 9
Max LVORI late 9 3 9 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-220815-
Guernsey-
Including the city of Cambridge
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+3) 62 86
RH % (24h trend) 100 (+5) 51 (-19) 99 52
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1640 2290
Mixing Hgt(ft-agl/msl) 5370 7520
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 21480 75200
Dispersion 2 4
ADI early 5 Very Poor 20 Gen Poor 2 Very Poor 29 Fair
ADI late 4 Very Poor 33 Fair 2 Very Poor 96 Good
Max LVORI early 8 9 6 7
Max LVORI late 9 3 8 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-220815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+2) 62 87
RH % (24h trend) 100 (+3) 49 (-19) 95 51
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 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1680 2120
Mixing Hgt(ft-agl/msl) 5520 6940
Transport Wnd (mph) NE 3 SW 12
Vent Rate (kt-ft) 16560 69400
Dispersion 2 4
ADI early 5 Very Poor 21 Fair 2 Very Poor 31 Fair
ADI late 4 Very Poor 28 Fair 3 Very Poor 84 Good
Max LVORI early 8 9 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-220815-
Noble-
Including the city of Caldwell
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 85 (+4) 62 86
RH % (24h trend) 100 (+4) 52 (-18) 99 55
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1590 2180
Mixing Hgt(ft-agl/msl) 5230 7160
Transport Wnd (mph) NE 5 SW 10
Vent Rate (kt-ft) 20920 64440
Dispersion 2 4
ADI early 5 Very Poor 17 Gen Poor 2 Very Poor 25 Fair
ADI late 4 Very Poor 30 Fair 2 Very Poor 84 Good
Max LVORI early 9 9 6 8
Max LVORI late 9 3 8 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-220815-
Monroe-
Including the city of Woodsfield
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 85 (+3) 63 86
RH % (24h trend) 100 (+5) 50 (-19) 96 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1740 2030
Mixing Hgt(ft-agl/msl) 5700 6670
Transport Wnd (mph) NE 5 SW 10
Vent Rate (kt-ft) 22800 60030
Dispersion 2 4
ADI early 5 Very Poor 19 Gen Poor 3 Very Poor 28 Fair
ADI late 4 Very Poor 30 Fair 3 Very Poor 82 Good
Max LVORI early 8 9 6 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-220815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 82 (+4) 59 86
RH % (24h trend) 100 (+4) 48 (-29) 96 52
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1540 2020
Mixing Hgt(ft-agl/msl) 5060 6610
Transport Wnd (mph) NE 3 SW 14
Vent Rate (kt-ft) 15180 79320
Dispersion 2 4
ADI early 6 Very Poor 17 Gen Poor 2 Very Poor 38 Fair
ADI late 4 Very Poor 21 Fair 3 Very Poor 99 Good
Max LVORI early 9 9 6 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-220815-
Venango-
Including the cities of Oil City and Franklin
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 82 (+5) 58 85
RH % (24h trend) 100 (+5) 47 (-29) 95 54
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1600 1960
Mixing Hgt(ft-agl/msl) 5260 6450
Transport Wnd (mph) NE 3 SW 15
Vent Rate (kt-ft) 15780 83850
Dispersion 2 4
ADI early 5 Very Poor 21 Fair 2 Very Poor 45 Gen Good
ADI late 3 Very Poor 23 Fair 3 Very Poor 102 Very Good
Max LVORI early 9 9 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-220815-
Forest-
Including the city of Tionesta
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 82 (+6) 56 84
RH % (24h trend) 100 (+4) 40 (-29) 91 49
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1630 1970
Mixing Hgt(ft-agl/msl) 5350 6470
Transport Wnd (mph) N 3 SW 16
Vent Rate (kt-ft) 16050 90580
Dispersion 2 4
ADI early 5 Very Poor 20 Gen Poor 2 Very Poor 48 Gen Good
ADI late 4 Very Poor 28 Fair 3 Very Poor 112 Very Good
Max LVORI early 8 8 5 5
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-220815-
Lawrence-
Including the cities of New Castle and Ellwood City
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 84 (+4) 59 86
RH % (24h trend) 100 (+2) 46 (-27) 96 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 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1620 2310
Mixing Hgt(ft-agl/msl) 5320 7570
Transport Wnd (mph) NE 3 SW 14
Vent Rate (kt-ft) 15960 90840
Dispersion 2 4
ADI early 6 Very Poor 20 Gen Poor 2 Very Poor 46 Gen Good
ADI late 3 Very Poor 26 Fair 3 Very Poor 108 Very Good
Max LVORI early 9 9 5 6
Max LVORI late 9 2 8 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-220815-
Butler-
Including the city of Butler
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 83 (+4) 58 86
RH % (24h trend) 100 (+3) 46 (-27) 96 52
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1620 2090
Mixing Hgt(ft-agl/msl) 5300 6850
Transport Wnd (mph) E 3 SW 13
Vent Rate (kt-ft) 15900 75350
Dispersion 2 4
ADI early 6 Very Poor 20 Gen Poor 2 Very Poor 46 Gen Good
ADI late 4 Very Poor 22 Fair 3 Very Poor 93 Good
Max LVORI early 9 9 5 7
Max LVORI late 9 3 8 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-220815-
Clarion-
Including the city of Clarion
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 83 (+5) 58 85
RH % (24h trend) 100 (+2) 41 (-27) 91 48
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1600 2060
Mixing Hgt(ft-agl/msl) 5260 6750
Transport Wnd (mph) NE 3 SW 13
Vent Rate (kt-ft) 15780 74250
Dispersion 2 4
ADI early 5 Very Poor 20 Gen Poor 2 Very Poor 45 Gen Good
ADI late 4 Very Poor 26 Fair 3 Very Poor 94 Good
Max LVORI early 7 8 4 5
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-220815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 55 82 (+6) 57 85
RH % (24h trend) 98 (-1) 38 (-25) 87 47
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1700 2090
Mixing Hgt(ft-agl/msl) 5560 6870
Transport Wnd (mph) N 3 SW 14
Vent Rate (kt-ft) 16680 82440
Dispersion 2 4
ADI early 5 Very Poor 21 Fair 2 Very Poor 47 Gen Good
ADI late 4 Very Poor 24 Fair 4 Very Poor 104 Very Good
Max LVORI early 6 7 3 4
Max LVORI late 8 2 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-220815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 84 (+4) 61 87
RH % (24h trend) 100 (0) 43 (-24) 93 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 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1720 2260
Mixing Hgt(ft-agl/msl) 5630 7410
Transport Wnd (mph) NE 3 SW 12
Vent Rate (kt-ft) 16890 74100
Dispersion 2 4
ADI early 6 Very Poor 22 Fair 2 Very Poor 53 Gen Good
ADI late 4 Very Poor 24 Fair 3 Very Poor 94 Good
Max LVORI early 6 8 4 6
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-220815-
Allegheny-
Including the city of Pittsburgh Metro Area
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 84 (+4) 62 87
RH % (24h trend) 99 (+6) 45 (-23) 94 48
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1790 2250
Mixing Hgt(ft-agl/msl) 5870 7380
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 23480 73800
Dispersion 2 4
ADI early 5 Very Poor 21 Fair 3 Very Poor 47 Gen Good
ADI late 4 Very Poor 30 Fair 3 Very Poor 88 Good
Max LVORI early 6 8 4 6
Max LVORI late 8 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-220815-
Armstrong-
Including the cities of Kittanning and Ford City
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 84 (+5) 59 86
RH % (24h trend) 100 (+1) 43 (-25) 93 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1560 2130
Mixing Hgt(ft-agl/msl) 5130 7000
Transport Wnd (mph) NE 3 SW 12
Vent Rate (kt-ft) 15390 70000
Dispersion 2 4
ADI early 6 Very Poor 19 Gen Poor 3 Very Poor 40 Fair
ADI late 4 Very Poor 21 Fair 4 Very Poor 95 Good
Max LVORI early 7 9 5 6
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-220815-
Washington-
Including the cities of Washington and Canonsburg
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 83 (+3) 61 86
RH % (24h trend) 100 (+8) 45 (-19) 96 48
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 6
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1760 2240
Mixing Hgt(ft-agl/msl) 5760 7340
Transport Wnd (mph) NE 5 SW 10
Vent Rate (kt-ft) 23040 66060
Dispersion 2 4
ADI early 7 Poor 21 Fair 3 Very Poor 47 Gen Good
ADI late 4 Very Poor 32 Fair 3 Very Poor 79 Good
Max LVORI early 7 8 4 6
Max LVORI late 9 2 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-220815-
Greene-
Including the city of Waynesburg
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 83 (+2) 62 86
RH % (24h trend) 100 (+3) 50 (-21) 97 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 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1740 2190
Mixing Hgt(ft-agl/msl) 5700 7180
Transport Wnd (mph) NE 5 SW 10
Vent Rate (kt-ft) 22800 64620
Dispersion 2 4
ADI early 6 Very Poor 22 Fair 3 Very Poor 44 Gen Good
ADI late 3 Very Poor 31 Fair 3 Very Poor 83 Good
Max LVORI early 8 9 5 6
Max LVORI late 9 3 8 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-220815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 59 83 (+3) 61 86
RH % (24h trend) 100 (+5) 48 (-21) 95 53
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1620 2140
Mixing Hgt(ft-agl/msl) 5320 7030
Transport Wnd (mph) NE 3 SW 12
Vent Rate (kt-ft) 15960 70300
Dispersion 2 4
ADI early 5 Very Poor 19 Gen Poor 3 Very Poor 42 Gen Good
ADI late 3 Very Poor 25 Fair 4 Very Poor 88 Good
Max LVORI early 7 9 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-220815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 83 (+7) 60 86
RH % (24h trend) 99 (-1) 44 (-23) 91 49
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 0.01
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1660 1990
Mixing Hgt(ft-agl/msl) 5440 6520
Transport Wnd (mph) NE 2 SW 12
Vent Rate (kt-ft) 10880 65200
Dispersion 1 4
ADI early 5 Very Poor 17 Gen Poor 5 Very Poor 43 Gen Good
ADI late 3 Very Poor 23 Fair 5 Very Poor 85 Good
Max LVORI early 6 8 4 5
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-220815-
Fayette-
Including the city of Uniontown
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 60 83 (+3) 62 86
RH % (24h trend) 100 (+9) 49 (-18) 94 51
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1660 2190
Mixing Hgt(ft-agl/msl) 5460 7170
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 21840 71700
Dispersion 2 4
ADI early 5 Very Poor 17 Gen Poor 3 Very Poor 45 Gen Good
ADI late 3 Very Poor 30 Fair 4 Very Poor 93 Good
Max LVORI early 6 8 5 6
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-220815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 81 (+4) 59 84
RH % (24h trend) 100 (+1) 50 (-21) 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1510 1870
Mixing Hgt(ft-agl/msl) 4940 6140
Transport Wnd (mph) NE 3 SW 10
Vent Rate (kt-ft) 14820 55260
Dispersion 2 4
ADI early 4 Very Poor 17 Gen Poor 4 Very Poor 40 Fair
ADI late 3 Very Poor 20 Gen Poor 4 Very Poor 79 Good
Max LVORI early 9 8 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-220815-
Indiana-
Including the city of Indiana
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 84 (+7) 58 86
RH % (24h trend) 98 (0) 43 (-25) 90 52
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1630 2160
Mixing Hgt(ft-agl/msl) 5340 7080
Transport Wnd (mph) NE 3 SW 13
Vent Rate (kt-ft) 16020 77880
Dispersion 2 4
ADI early 5 Very Poor 19 Gen Poor 3 Very Poor 47 Gen Good
ADI late 4 Very Poor 22 Fair 4 Very Poor 94 Good
Max LVORI early 6 8 4 5
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-220815-
Higher Elevations of Indiana-
Including the city of Armagh
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 82 (+7) 60 84
RH % (24h trend) 97 (-3) 45 (-25) 89 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 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1640 1950
Mixing Hgt(ft-agl/msl) 5370 6400
Transport Wnd (mph) NE 2 SW 12
Vent Rate (kt-ft) 10740 64000
Dispersion 1 4
ADI early 5 Very Poor 20 Gen Poor 4 Very Poor 45 Gen Good
ADI late 4 Very Poor 23 Fair 5 Very Poor 80 Good
Max LVORI early 6 7 4 5
Max LVORI late 7 2 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-220815-
Hancock-
Including the city of Weirton
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+4) 62 87
RH % (24h trend) 99 (-1) 43 (-22) 91 45
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1760 2260
Mixing Hgt(ft-agl/msl) 5770 7400
Transport Wnd (mph) NE 3 SW 12
Vent Rate (kt-ft) 17310 74000
Dispersion 2 4
ADI early 7 Poor 26 Fair 2 Very Poor 61 Good
ADI late 4 Very Poor 24 Fair 2 Very Poor 89 Good
Max LVORI early 6 8 4 6
Max LVORI late 8 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-220815-
Brooke-
Including the cities of Follansbee and Wellsburg
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+3) 63 87
RH % (24h trend) 100 (+8) 43 (-21) 91 45
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1790 2190
Mixing Hgt(ft-agl/msl) 5860 7170
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 23440 71700
Dispersion 2 4
ADI early 7 Poor 22 Fair 2 Very Poor 38 Fair
ADI late 4 Very Poor 32 Fair 3 Very Poor 86 Good
Max LVORI early 6 8 4 6
Max LVORI late 9 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-220815-
Ohio-
Including the city of Wheeling
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 84 (+3) 63 86
RH % (24h trend) 100 (+3) 47 (-20) 93 50
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1720 2090
Mixing Hgt(ft-agl/msl) 5630 6860
Transport Wnd (mph) NE 3 SW 10
Vent Rate (kt-ft) 16890 61740
Dispersion 2 4
ADI early 6 Very Poor 23 Fair 3 Very Poor 35 Fair
ADI late 4 Very Poor 28 Fair 3 Very Poor 77 Good
Max LVORI early 7 9 4 6
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-220815-
Marshall-
Including the city of Moundsville
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 85 (+3) 64 87
RH % (24h trend) 100 (+2) 52 (-20) 95 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1770 2090
Mixing Hgt(ft-agl/msl) 5810 6860
Transport Wnd (mph) NE 3 SW 10
Vent Rate (kt-ft) 17430 61740
Dispersion 2 4
ADI early 5 Very Poor 21 Fair 3 Very Poor 36 Fair
ADI late 4 Very Poor 28 Fair 3 Very Poor 81 Good
Max LVORI early 8 9 5 6
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-220815-
Wetzel-
Including the city of New Martinsville
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 62 85 (+4) 64 86
RH % (24h trend) 100 (+3) 55 (-18) 96 57
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1780 2020
Mixing Hgt(ft-agl/msl) 5850 6610
Transport Wnd (mph) NE 5 SW 10
Vent Rate (kt-ft) 23400 59490
Dispersion 2 4
ADI early 5 Very Poor 26 Fair 3 Very Poor 34 Fair
ADI late 3 Very Poor 32 Fair 3 Very Poor 81 Good
Max LVORI early 8 9 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-220815-
Marion-
Including the city of Fairmont
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 83 (+2) 64 85
RH % (24h trend) 100 (+8) 54 (-17) 96 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1750 1980
Mixing Hgt(ft-agl/msl) 5760 6500
Transport Wnd (mph) N 5 SW 12
Vent Rate (kt-ft) 23040 65000
Dispersion 2 4
ADI early 5 Very Poor 22 Fair 3 Very Poor 35 Fair
ADI late 3 Very Poor 31 Fair 3 Very Poor 83 Good
Max LVORI early 9 9 6 7
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-220815-
Monongalia-
Including the city of Morgantown
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Clear Mclear
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 61 83 (+3) 63 85
RH % (24h trend) 100 (+5) 54 (-17) 96 55
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1660 2050
Mixing Hgt(ft-agl/msl) 5450 6730
Transport Wnd (mph) NE 5 SW 12
Vent Rate (kt-ft) 21800 67300
Dispersion 2 4
ADI early 5 Very Poor 22 Fair 3 Very Poor 36 Fair
ADI late 3 Very Poor 29 Fair 3 Very Poor 88 Good
Max LVORI early 7 9 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-220815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Clear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 81 (+3) 60 83
RH % (24h trend) 100 (+4) 54 (-17) 96 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 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1450 1790
Mixing Hgt(ft-agl/msl) 4760 5870
Transport Wnd (mph) E 3 SW 12
Vent Rate (kt-ft) 14280 58700
Dispersion 2 4
ADI early 4 Very Poor 20 Gen Poor 4 Very Poor 31 Fair
ADI late 3 Very Poor 25 Fair 4 Very Poor 79 Good
Max LVORI early 9 8 5 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-220815-
Preston-
Including the cities of Kingwood and Bruceton Mills
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 82 (+4) 60 84
RH % (24h trend) 100 (+3) 52 (-17) 96 54
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1560 1820
Mixing Hgt(ft-agl/msl) 5130 5960
Transport Wnd (mph) NE 3 SW 9
Vent Rate (kt-ft) 15390 47680
Dispersion 2 3
ADI early 4 Very Poor 21 Fair 4 Very Poor 39 Fair
ADI late 3 Very Poor 28 Fair 4 Very Poor 67 Good
Max LVORI early 8 8 6 6
Max LVORI late 9 3 7 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-220815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 58 80 (+3) 59 82
RH % (24h trend) 100 (+3) 53 (-19) 97 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 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1470 1620
Mixing Hgt(ft-agl/msl) 4820 5320
Transport Wnd (mph) NE 3 SW 8
Vent Rate (kt-ft) 14460 37240
Dispersion 2 3
ADI early 4 Very Poor 18 Gen Poor 4 Very Poor 44 Gen Good
ADI late 4 Very Poor 24 Fair 4 Very Poor 53 Gen Good
Max LVORI early 9 8 6 7
Max LVORI late 9 3 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-220815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 81 (+2) 61 83
RH % (24h trend) 100 (+2) 51 (-15) 96 53
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.01
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1540 1520
Mixing Hgt(ft-agl/msl) 5050 5000
Transport Wnd (mph) N 5 S 7
Vent Rate (kt-ft) 20200 30000
Dispersion 2 3
ADI early 4 Very Poor 15 Gen Poor 4 Very Poor 37 Fair
ADI late 3 Very Poor 27 Fair 4 Very Poor 39 Fair
Max LVORI early 9 8 6 6
Max LVORI late 9 3 7 2
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-220815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
210 PM EDT Thu Aug 21 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Pcldy
Precip Type None None None Sprinkles
Chance Precip (%) 0 0 0 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 77 (+6) 56 79
RH % (24h trend) 100 (+13) 60 (-12) 99 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 0.00 0.00 0.00 0.03
Precip Duration 1
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(m-agl/msl) 1280 1370
Mixing Hgt(ft-agl/msl) 4190 4480
Transport Wnd (mph) NE 3 SW 6
Vent Rate (kt-ft) 12570 22400
Dispersion 2 3
ADI early 5 Very Poor 15 Gen Poor 4 Very Poor 32 Fair
ADI late 4 Very Poor 20 Gen Poor 5 Very Poor 33 Fair
Max LVORI early 9 8 6 6
Max LVORI late 9 4 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of sprinkles. Lows in the mid
60s. Highs in the lower 80s. South winds around 5 mph.
.MONDAY...Partly cloudy. A chance of sprinkles. Lows in the mid
50s. Highs in the mid 70s. Southwest winds around 5 mph.
.TUESDAY...Partly cloudy. A chance of sprinkles. Lows in the
lower 50s. Highs around 70. West winds 5 to 10 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 70s. West winds 5 to 10 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. West winds around 5 mph.
$$