Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
844
FNUS51 KPBZ 181624
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1224 PM EDT Mon Aug 18 2025
.Discussion...
Confidence remains high that dry conditions will continue for the
next 48 hours under high pressure. With surface mixing this
afternoon, minRH values could drop into the mid-30s for areas
north of Pittsburgh. Fire weather potential will remain low with
light winds from the northeast.
Forecaster: Hefferan
&&
OHZ039-190830-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 40
Chance of Thunder (%) 0 0 30 30
Temp (24h trend) 59 (-6) 87 (+4) 67 85
RH % (24h trend) 94 (-3) 49 (+2) 98 61
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 0.03 0.08
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1670 1270
Mixing Hgt(ft-agl/msl) 5480 4170
Transport Wnd (mph) SW 7 N 7
Vent Rate (kt-ft) 32880 25020
Dispersion 3 2
ADI early 4 Very Poor 25 Fair 4 Very Poor 15 Gen Poor
ADI late 4 Very Poor 45 Gen Good 4 Very Poor 43 Gen Good
Max LVORI early 3 6 5 9
Max LVORI late 6 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-190830-
Carroll-
Including the cities of Carrollton and Malvern
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 59 (-6) 87 (+5) 65 84
RH % (24h trend) 97 (0) 47 (+2) 98 62
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.03
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1660 1300
Mixing Hgt(ft-agl/msl) 5450 4250
Transport Wnd (mph) SW 7 NE 6
Vent Rate (kt-ft) 32700 21250
Dispersion 3 2
ADI early 4 Very Poor 22 Fair 4 Very Poor 14 Gen Poor
ADI late 4 Very Poor 52 Gen Good 5 Very Poor 37 Fair
Max LVORI early 3 7 5 7
Max LVORI late 6 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-190830-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 59 (-5) 87 (+6) 65 84
RH % (24h trend) 99 (+2) 45 (+1) 98 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 0.00 0.00 0.02 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1710 1240
Mixing Hgt(ft-agl/msl) 5610 4060
Transport Wnd (mph) S 8 NE 6
Vent Rate (kt-ft) 39270 20300
Dispersion 3 2
ADI early 4 Very Poor 25 Fair 6 Very Poor 13 Gen Poor
ADI late 4 Very Poor 53 Gen Good 6 Very Poor 34 Fair
Max LVORI early 4 8 5 7
Max LVORI late 6 1 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-190830-
Coshocton-
Including the city of Coshocton
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 40
Chance of Thunder (%) 0 0 30 30
Temp (24h trend) 59 (-5) 88 (+5) 66 85
RH % (24h trend) 93 (-6) 50 (+1) 99 63
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.06 0.10
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(m-agl/msl) 1670 1340
Mixing Hgt(ft-agl/msl) 5480 4380
Transport Wnd (mph) SW 6 N 9
Vent Rate (kt-ft) 27400 35040
Dispersion 3 3
ADI early 4 Very Poor 24 Fair 3 Very Poor 18 Gen Poor
ADI late 4 Very Poor 40 Fair 3 Very Poor 51 Gen Good
Max LVORI early 4 6 6 9
Max LVORI late 6 2 10 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-190830-
Harrison-
Including the city of Cadiz
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 60 (-5) 87 (+4) 66 85
RH % (24h trend) 98 (0) 46 (0) 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 0.02 0.04
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1650 1520
Mixing Hgt(ft-agl/msl) 5410 5000
Transport Wnd (mph) SW 5 E 6
Vent Rate (kt-ft) 21640 25000
Dispersion 2 3
ADI early 4 Very Poor 23 Fair 3 Very Poor 15 Gen Poor
ADI late 4 Very Poor 41 Gen Good 4 Very Poor 36 Fair
Max LVORI early 3 7 5 7
Max LVORI late 6 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-190830-
Jefferson OH-
Including the city of Steubenville
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 60 (-6) 88 (+6) 66 85
RH % (24h trend) 99 (0) 44 (0) 96 58
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.04
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1680 1530
Mixing Hgt(ft-agl/msl) 5510 5010
Transport Wnd (mph) SW 5 SE 5
Vent Rate (kt-ft) 22040 20040
Dispersion 2 2
ADI early 3 Very Poor 22 Fair 5 Very Poor 13 Gen Poor
ADI late 4 Very Poor 43 Gen Good 4 Very Poor 31 Fair
Max LVORI early 3 7 4 6
Max LVORI late 7 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-190830-
Muskingum-
Including the city of Zanesville
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 60 (-5) 88 (+4) 67 86
RH % (24h trend) 95 (-2) 50 (-3) 99 63
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 0.03 0.03
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1620 1600
Mixing Hgt(ft-agl/msl) 5320 5250
Transport Wnd (mph) SW 5 N 8
Vent Rate (kt-ft) 21280 36750
Dispersion 2 3
ADI early 3 Very Poor 18 Gen Poor 3 Very Poor 14 Gen Poor
ADI late 3 Very Poor 33 Fair 3 Very Poor 49 Gen Good
Max LVORI early 5 6 6 9
Max LVORI late 6 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-190830-
Guernsey-
Including the city of Cambridge
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 60 (-4) 88 (+4) 67 86
RH % (24h trend) 97 (-2) 48 (-2) 99 62
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03 0.03
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1660 1530
Mixing Hgt(ft-agl/msl) 5460 5030
Transport Wnd (mph) SW 5 N 7
Vent Rate (kt-ft) 21840 30180
Dispersion 2 3
ADI early 3 Very Poor 23 Fair 3 Very Poor 15 Gen Poor
ADI late 4 Very Poor 36 Fair 3 Very Poor 41 Gen Good
Max LVORI early 4 7 6 8
Max LVORI late 6 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-190830-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 60 (-6) 88 (+5) 67 86
RH % (24h trend) 99 (+1) 48 (-3) 98 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 0.00 0.00 0.02 0.03
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1660 1590
Mixing Hgt(ft-agl/msl) 5440 5230
Transport Wnd (mph) SW 5 SW 5
Vent Rate (kt-ft) 21760 20920
Dispersion 2 2
ADI early 3 Very Poor 23 Fair 3 Very Poor 16 Gen Poor
ADI late 4 Very Poor 30 Fair 4 Very Poor 32 Fair
Max LVORI early 4 8 5 6
Max LVORI late 8 2 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-190830-
Noble-
Including the city of Caldwell
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Clear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 61 (-4) 89 (+5) 67 86
RH % (24h trend) 100 (+2) 49 (-4) 99 63
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.03
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1650 1800
Mixing Hgt(ft-agl/msl) 5410 5910
Transport Wnd (mph) SW 5 N 6
Vent Rate (kt-ft) 21640 29550
Dispersion 2 3
ADI early 3 Very Poor 21 Fair 3 Very Poor 15 Gen Poor
ADI late 3 Very Poor 30 Fair 3 Very Poor 38 Fair
Max LVORI early 5 8 5 9
Max LVORI late 8 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-190830-
Monroe-
Including the city of Woodsfield
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 62 (-4) 88 (+5) 67 86
RH % (24h trend) 100 (+3) 50 (-4) 98 63
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 0.01 0.03
Precip Duration 1 2
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1680 1670
Mixing Hgt(ft-agl/msl) 5510 5480
Transport Wnd (mph) SW 5 W 5
Vent Rate (kt-ft) 22040 21920
Dispersion 2 2
ADI early 3 Very Poor 22 Fair 3 Very Poor 15 Gen Poor
ADI late 4 Very Poor 30 Fair 3 Very Poor 32 Fair
Max LVORI early 5 8 5 6
Max LVORI late 8 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-190830-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 50 50
Chance of Thunder (%) 0 0 30 30
Temp (24h trend) 58 (-3) 86 (+7) 62 82
RH % (24h trend) 100 (+1) 50 (+6) 100 67
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.04 0.06
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1500 1070
Mixing Hgt(ft-agl/msl) 4930 3520
Transport Wnd (mph) S 9 NE 6
Vent Rate (kt-ft) 39440 17600
Dispersion 3 2
ADI early 4 Very Poor 34 Fair 9 Poor 14 Gen Poor
ADI late 5 Very Poor 58 Gen Good 9 Poor 25 Fair
Max LVORI early 4 8 5 8
Max LVORI late 9 1 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-190830-
Venango-
Including the cities of Oil City and Franklin
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 57 (-2) 83 (+4) 61 81
RH % (24h trend) 100 (+4) 53 (+9) 100 69
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 0.08 0.09
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1570 970
Mixing Hgt(ft-agl/msl) 5140 3200
Transport Wnd (mph) S 10 NE 5
Vent Rate (kt-ft) 46260 12800
Dispersion 3 1
ADI early 4 Very Poor 39 Fair 9 Poor 21 Fair
ADI late 5 Very Poor 64 Good 9 Poor 21 Fair
Max LVORI early 4 8 5 8
Max LVORI late 9 2 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-190830-
Forest-
Including the city of Tionesta
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Mcldy Mcldy
Precip Type None Sprinkles Tstms Tstms
Chance Precip (%) 0 10 40 60
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 56 (0) 83 (+4) 59 79
RH % (24h trend) 100 (+9) 50 (+12) 100 63
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.12 0.22
Precip Duration 0 2 5
Precip Begin 4 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1570 860
Mixing Hgt(ft-agl/msl) 5160 2810
Transport Wnd (mph) S 10 SE 6
Vent Rate (kt-ft) 46440 14050
Dispersion 3 2
ADI early 4 Very Poor 49 Gen Good 9 Poor 23 Fair
ADI late 5 Very Poor 67 Good 9 Poor 25 Fair
Max LVORI early 4 7 5 7
Max LVORI late 7 1 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-190830-
Lawrence-
Including the cities of New Castle and Ellwood City
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 58 (-3) 87 (+6) 63 83
RH % (24h trend) 100 (0) 45 (+2) 100 63
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 0.01 0.06
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1630 1110
Mixing Hgt(ft-agl/msl) 5360 3640
Transport Wnd (mph) S 9 NE 7
Vent Rate (kt-ft) 42880 21840
Dispersion 3 2
ADI early 4 Very Poor 28 Fair 9 Poor 14 Gen Poor
ADI late 4 Very Poor 57 Gen Good 9 Poor 29 Fair
Max LVORI early 4 8 5 7
Max LVORI late 9 1 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-190830-
Butler-
Including the city of Butler
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 58 (-4) 87 (+6) 62 82
RH % (24h trend) 100 (0) 50 (+6) 100 67
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.06
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1620 1070
Mixing Hgt(ft-agl/msl) 5330 3510
Transport Wnd (mph) S 9 SE 5
Vent Rate (kt-ft) 42640 14040
Dispersion 3 2
ADI early 4 Very Poor 32 Fair 9 Poor 18 Gen Poor
ADI late 4 Very Poor 60 Gen Good 8 Poor 22 Fair
Max LVORI early 5 8 5 8
Max LVORI late 9 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-190830-
Clarion-
Including the city of Clarion
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 60
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 58 (-2) 84 (+4) 61 81
RH % (24h trend) 100 (+5) 50 (+11) 99 62
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.07
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1570 1010
Mixing Hgt(ft-agl/msl) 5150 3310
Transport Wnd (mph) S 12 E 6
Vent Rate (kt-ft) 51500 16550
Dispersion 3 2
ADI early 4 Very Poor 43 Gen Good 11 Poor 24 Fair
ADI late 5 Very Poor 66 Good 9 Poor 26 Fair
Max LVORI early 4 7 4 7
Max LVORI late 8 1 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-190830-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 60
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 57 (-1) 81 (+2) 59 79
RH % (24h trend) 98 (+7) 51 (+12) 97 63
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 6 SE 6 Lgt/Var
Precip Amount 0.00 0.00 0.02 0.08
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1520 940
Mixing Hgt(ft-agl/msl) 4970 3070
Transport Wnd (mph) S 10 SE 9
Vent Rate (kt-ft) 44730 24560
Dispersion 3 2
ADI early 4 Very Poor 51 Gen Good 12 Poor 26 Fair
ADI late 7 Poor 64 Good 11 Poor 29 Fair
Max LVORI early 4 6 4 5
Max LVORI late 6 1 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-190830-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 59 (-3) 87 (+5) 65 84
RH % (24h trend) 99 (+2) 44 (+2) 96 59
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 0.01 0.06
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1750 1340
Mixing Hgt(ft-agl/msl) 5740 4400
Transport Wnd (mph) S 8 E 5
Vent Rate (kt-ft) 40180 17600
Dispersion 3 2
ADI early 3 Very Poor 25 Fair 7 Poor 15 Gen Poor
ADI late 4 Very Poor 52 Gen Good 7 Poor 26 Fair
Max LVORI early 3 7 4 6
Max LVORI late 8 1 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-190830-
Allegheny-
Including the city of Pittsburgh Metro Area
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 61 (-5) 87 (+5) 65 85
RH % (24h trend) 99 (+5) 48 (+1) 97 61
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.02 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1760 1460
Mixing Hgt(ft-agl/msl) 5790 4790
Transport Wnd (mph) S 8 SE 5
Vent Rate (kt-ft) 40530 19160
Dispersion 3 2
ADI early 3 Very Poor 27 Fair 9 Poor 17 Gen Poor
ADI late 4 Very Poor 51 Gen Good 8 Poor 23 Fair
Max LVORI early 4 7 4 6
Max LVORI late 8 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-190830-
Armstrong-
Including the cities of Kittanning and Ford City
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 60 (-4) 85 (+4) 62 83
RH % (24h trend) 99 (+3) 52 (+7) 99 65
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 5 SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.01 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1520 1130
Mixing Hgt(ft-agl/msl) 4980 3700
Transport Wnd (mph) S 10 SE 6
Vent Rate (kt-ft) 44820 18500
Dispersion 3 2
ADI early 4 Very Poor 39 Fair 10 Poor 22 Fair
ADI late 5 Very Poor 58 Gen Good 8 Poor 25 Fair
Max LVORI early 5 7 5 7
Max LVORI late 8 2 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-190830-
Washington-
Including the cities of Washington and Canonsburg
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 61 (-5) 87 (+5) 65 84
RH % (24h trend) 100 (+4) 48 (-1) 96 61
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.05
Precip Duration 1 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1700 1530
Mixing Hgt(ft-agl/msl) 5590 5020
Transport Wnd (mph) S 6 S 5
Vent Rate (kt-ft) 27950 20080
Dispersion 3 2
ADI early 4 Very Poor 26 Fair 7 Poor 19 Gen Poor
ADI late 4 Very Poor 38 Fair 8 Poor 25 Fair
Max LVORI early 4 8 4 6
Max LVORI late 9 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-190830-
Greene-
Including the city of Waynesburg
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 62 (-6) 87 (+5) 65 84
RH % (24h trend) 100 (+3) 52 (-4) 97 65
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 0.01 0.04
Precip Duration 2 2
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1690 1620
Mixing Hgt(ft-agl/msl) 5540 5310
Transport Wnd (mph) S 5 S 5
Vent Rate (kt-ft) 22160 21240
Dispersion 2 2
ADI early 4 Very Poor 27 Fair 5 Very Poor 22 Fair
ADI late 4 Very Poor 32 Fair 5 Very Poor 26 Fair
Max LVORI early 6 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.
$$
PAZ073-190830-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 61 (-5) 85 (+4) 64 83
RH % (24h trend) 100 (+6) 55 (+3) 98 64
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 6 SE 6 Lgt/Var
Precip Amount 0.00 0.00 0.01 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1560 1220
Mixing Hgt(ft-agl/msl) 5120 4010
Transport Wnd (mph) S 9 SE 6
Vent Rate (kt-ft) 40960 20050
Dispersion 3 2
ADI early 4 Very Poor 36 Fair 9 Poor 19 Gen Poor
ADI late 4 Very Poor 51 Gen Good 9 Poor 21 Fair
Max LVORI early 5 7 5 7
Max LVORI late 8 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-190830-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 60
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 60 (-4) 82 (+3) 63 81
RH % (24h trend) 96 (+1) 54 (+2) 98 61
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 6 SE 6 G18 Lgt/Var
Precip Amount 0.00 0.00 0.01 0.05
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1320 1160
Mixing Hgt(ft-agl/msl) 4330 3810
Transport Wnd (mph) S 12 SE 8
Vent Rate (kt-ft) 43300 26670
Dispersion 3 3
ADI early 5 Very Poor 35 Fair 10 Poor 18 Gen Poor
ADI late 7 Poor 51 Gen Good 11 Poor 29 Fair
Max LVORI early 5 5 5 6
Max LVORI late 6 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-190830-
Fayette-
Including the city of Uniontown
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 63 (-6) 86 (+5) 65 84
RH % (24h trend) 98 (+2) 52 (-4) 95 63
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.01 0.04
Precip Duration 2 2
Precip Begin 7 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1610 1390
Mixing Hgt(ft-agl/msl) 5300 4560
Transport Wnd (mph) S 7 S 5
Vent Rate (kt-ft) 31800 18240
Dispersion 3 2
ADI early 4 Very Poor 31 Fair 6 Very Poor 21 Fair
ADI late 5 Very Poor 43 Gen Good 7 Poor 23 Fair
Max LVORI early 5 6 4 6
Max LVORI late 7 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-190830-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 59 (-7) 82 (+3) 61 81
RH % (24h trend) 100 (+1) 56 (-3) 100 65
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.00 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1300 1150
Mixing Hgt(ft-agl/msl) 4260 3770
Transport Wnd (mph) S 9 SE 7
Vent Rate (kt-ft) 34080 22620
Dispersion 3 2
ADI early 5 Very Poor 28 Fair 7 Poor 17 Gen Poor
ADI late 6 Very Poor 44 Gen Good 7 Poor 26 Fair
Max LVORI early 6 6 6 7
Max LVORI late 9 3 9 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-190830-
Indiana-
Including the city of Indiana
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 59 (-4) 82 (+2) 62 81
RH % (24h trend) 97 (+4) 55 (+8) 98 65
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 6 SE 6 Lgt/Var
Precip Amount 0.00 0.00 0.01 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1360 1080
Mixing Hgt(ft-agl/msl) 4470 3540
Transport Wnd (mph) S 12 SE 8
Vent Rate (kt-ft) 44700 24780
Dispersion 3 3
ADI early 5 Very Poor 46 Gen Good 11 Poor 23 Fair
ADI late 6 Very Poor 58 Gen Good 11 Poor 29 Fair
Max LVORI early 5 6 4 6
Max LVORI late 7 2 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-190830-
Higher Elevations of Indiana-
Including the city of Armagh
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 0 30
Temp (24h trend) 61 (-2) 79 (+1) 62 79
RH % (24h trend) 95 (+2) 59 (+8) 98 68
20ft Wnd-Val/AM(mph) SE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 6 SE 6 Lgt/Var
Precip Amount 0.00 0.00 0.01 0.04
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1200 970
Mixing Hgt(ft-agl/msl) 3930 3180
Transport Wnd (mph) S 13 S 9
Vent Rate (kt-ft) 43230 25440
Dispersion 3 2
ADI early 5 Very Poor 40 Fair 14 Gen Poor 23 Fair
ADI late 7 Poor 56 Gen Good 14 Gen Poor 29 Fair
Max LVORI early 5 5 4 6
Max LVORI late 6 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-190830-
Hancock-
Including the city of Weirton
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 61 (-4) 87 (+5) 66 85
RH % (24h trend) 98 (+1) 44 (+2) 95 57
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.06
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1740 1420
Mixing Hgt(ft-agl/msl) 5710 4650
Transport Wnd (mph) S 6 E 5
Vent Rate (kt-ft) 28550 18600
Dispersion 3 2
ADI early 3 Very Poor 23 Fair 7 Poor 13 Gen Poor
ADI late 4 Very Poor 48 Gen Good 6 Very Poor 25 Fair
Max LVORI early 3 7 4 6
Max LVORI late 6 1 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-190830-
Brooke-
Including the cities of Follansbee and Wellsburg
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 62 (-5) 88 (+5) 67 86
RH % (24h trend) 98 (+1) 44 (-1) 94 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 0.00 0.00 0.02 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1770 1660
Mixing Hgt(ft-agl/msl) 5810 5430
Transport Wnd (mph) SW 5 S 5
Vent Rate (kt-ft) 23240 21720
Dispersion 2 2
ADI early 4 Very Poor 23 Fair 5 Very Poor 15 Gen Poor
ADI late 4 Very Poor 38 Fair 6 Very Poor 27 Fair
Max LVORI early 3 6 4 6
Max LVORI late 8 2 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-190830-
Ohio-
Including the city of Wheeling
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 30 50
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 62 (-4) 88 (+6) 66 86
RH % (24h trend) 98 (+1) 47 (-3) 95 62
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1690 1650
Mixing Hgt(ft-agl/msl) 5530 5410
Transport Wnd (mph) SW 5 S 5
Vent Rate (kt-ft) 22120 21640
Dispersion 2 2
ADI early 4 Very Poor 22 Fair 6 Very Poor 17 Gen Poor
ADI late 4 Very Poor 31 Fair 7 Poor 32 Fair
Max LVORI early 4 7 4 6
Max LVORI late 8 2 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-190830-
Marshall-
Including the city of Moundsville
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Pcldy Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 63 (-3) 89 (+6) 67 86
RH % (24h trend) 98 (+1) 51 (-4) 95 66
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 0.02 0.04
Precip Duration 1 2
Precip Begin 8 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(m-agl/msl) 1710 1650
Mixing Hgt(ft-agl/msl) 5620 5430
Transport Wnd (mph) S 5 S 5
Vent Rate (kt-ft) 22480 21720
Dispersion 2 2
ADI early 4 Very Poor 23 Fair 4 Very Poor 20 Gen Poor
ADI late 4 Very Poor 31 Fair 4 Very Poor 39 Fair
Max LVORI early 4 8 5 6
Max LVORI late 8 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-190830-
Wetzel-
Including the city of New Martinsville
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 40
Chance of Thunder (%) 0 0 20 30
Temp (24h trend) 63 (-4) 87 (+5) 67 85
RH % (24h trend) 98 (+1) 53 (-6) 95 67
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.05
Precip Duration 2 2
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1700 1660
Mixing Hgt(ft-agl/msl) 5570 5430
Transport Wnd (mph) SW 5 SW 3
Vent Rate (kt-ft) 22280 16290
Dispersion 2 2
ADI early 4 Very Poor 22 Fair 5 Very Poor 22 Fair
ADI late 4 Very Poor 31 Fair 4 Very Poor 26 Fair
Max LVORI early 5 8 5 6
Max LVORI late 8 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-190830-
Marion-
Including the city of Fairmont
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 63 (-5) 87 (+5) 67 84
RH % (24h trend) 98 (0) 54 (-7) 95 69
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 0.07
Precip Duration 2 2
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1710 1650
Mixing Hgt(ft-agl/msl) 5610 5410
Transport Wnd (mph) SW 5 S 3
Vent Rate (kt-ft) 22440 16230
Dispersion 2 2
ADI early 4 Very Poor 23 Fair 5 Very Poor 21 Fair
ADI late 4 Very Poor 31 Fair 4 Very Poor 24 Fair
Max LVORI early 6 8 5 6
Max LVORI late 9 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-190830-
Monongalia-
Including the city of Morgantown
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 20 40
Temp (24h trend) 62 (-6) 86 (+5) 66 83
RH % (24h trend) 99 (+1) 55 (-6) 95 68
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.06
Precip Duration 2 2
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1670 1600
Mixing Hgt(ft-agl/msl) 5470 5240
Transport Wnd (mph) S 5 S 3
Vent Rate (kt-ft) 21880 15720
Dispersion 2 2
ADI early 4 Very Poor 26 Fair 5 Very Poor 18 Gen Poor
ADI late 4 Very Poor 31 Fair 5 Very Poor 23 Fair
Max LVORI early 6 7 5 6
Max LVORI late 8 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-190830-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 60 (-6) 84 (+5) 63 80
RH % (24h trend) 100 (+2) 55 (-8) 98 69
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 0.09
Precip Duration 2 2
Precip Begin 7 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1340 1190
Mixing Hgt(ft-agl/msl) 4400 3910
Transport Wnd (mph) SE 6 S 5
Vent Rate (kt-ft) 22000 15640
Dispersion 3 2
ADI early 5 Very Poor 20 Gen Poor 6 Very Poor 12 Poor
ADI late 5 Very Poor 31 Fair 5 Very Poor 20 Gen Poor
Max LVORI early 6 7 5 7
Max LVORI late 9 3 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-190830-
Preston-
Including the cities of Kingwood and Bruceton Mills
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 60 (-6) 84 (+4) 62 81
RH % (24h trend) 100 (+1) 55 (-7) 99 68
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.09
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1460 1200
Mixing Hgt(ft-agl/msl) 4780 3940
Transport Wnd (mph) SE 6 SE 5
Vent Rate (kt-ft) 23900 15760
Dispersion 3 2
ADI early 5 Very Poor 25 Fair 6 Very Poor 13 Gen Poor
ADI late 5 Very Poor 35 Fair 5 Very Poor 21 Fair
Max LVORI early 6 7 6 7
Max LVORI late 9 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-190830-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 61 (-4) 82 (+4) 61 80
RH % (24h trend) 100 (0) 57 (-9) 100 69
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.00 0.08
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1350 1120
Mixing Hgt(ft-agl/msl) 4440 3680
Transport Wnd (mph) SE 7 SE 6
Vent Rate (kt-ft) 26640 18400
Dispersion 3 2
ADI early 5 Very Poor 22 Fair 7 Poor 10 Poor
ADI late 7 Poor 34 Fair 6 Very Poor 21 Fair
Max LVORI early 6 7 7 7
Max LVORI late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-190830-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Mclear Pcldy Mclear Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 50
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 61 (-4) 83 (+3) 62 82
RH % (24h trend) 100 (0) 54 (-8) 99 65
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.10
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1560 1290
Mixing Hgt(ft-agl/msl) 5120 4230
Transport Wnd (mph) S 5 S 5
Vent Rate (kt-ft) 20480 16920
Dispersion 2 2
ADI early 4 Very Poor 23 Fair 5 Very Poor 12 Poor
ADI late 4 Very Poor 32 Fair 4 Very Poor 21 Fair
Max LVORI early 7 7 6 7
Max LVORI late 9 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-190830-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1224 PM EDT Mon Aug 18 2025
Tonight Tue Tue Night Wed
Cloud Cover Pcldy Pcldy Pcldy Pcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 10 50
Chance of Thunder (%) 0 0 0 40
Temp (24h trend) 57 (-6) 78 (+4) 58 76
RH % (24h trend) 100 (0) 64 (-10) 100 74
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 0.07
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1230 1130
Mixing Hgt(ft-agl/msl) 4050 3720
Transport Wnd (mph) SE 7 SE 5
Vent Rate (kt-ft) 24300 14880
Dispersion 2 2
ADI early 7 Poor 15 Gen Poor 6 Very Poor 9 Poor
ADI late 8 Poor 28 Fair 6 Very Poor 17 Gen Poor
Max LVORI early 8 7 8 9
Max LVORI late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Partly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. North winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s. North winds around 5 mph.
.SATURDAY...Mostly clear. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 80s. Southwest winds 5 to
10 mph.
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. West winds 5 to
10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. West winds 5 to 10 mph.
$$