Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
309
FNUS51 KPBZ 190422
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
1222 AM EDT Tue Aug 19 2025
.Discussion...
High pressure will maintain dry weather through today, with shower
and thunderstorm chances increasing tonight into Wednesday. Wind
will be out of the southeast, with gusts to near 20 kts across the
ridges. Fire weather concerns remain low.
&&
OHZ039-192030-
Tuscarawas-
Including the cities of New Philadelphia and Dover
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 70 40
Chance of Thunder (%) 0 30 20
Temp (24h trend) 88 (+4) 67 (+6) 81
RH % (24h trend) 50 (+11) 100 (+8) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 5 Lgt/Var NW 5
Precip Amount 0.00 0.19 0.03
Precip Duration 4 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1720 1120
Mixing Hgt(ft-agl/msl)5660 3660
Transport Wnd (mph) SW 8 NW 7
Vent Rate (kt-ft) 39620 21960
Dispersion 3 2
ADI early 28 Fair 6 Very Poor 22 Fair
ADI late 61 Good 4 Very Poor 36 Fair
Max LVORI early 6 6 8
Max LVORI late 1 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-192030-
Carroll-
Including the cities of Carrollton and Malvern
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 70 40
Chance of Thunder (%) 0 20 20
Temp (24h trend) 88 (+5) 67 (+6) 81
RH % (24h trend) 49 (+15) 100 (+5) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 5 Lgt/Var NW 5
Precip Amount 0.00 0.15 0.04
Precip Duration 4 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1750 1100
Mixing Hgt(ft-agl/msl)5760 3620
Transport Wnd (mph) S 9 N 10
Vent Rate (kt-ft) 46080 32580
Dispersion 3 3
ADI early 30 Fair 7 Poor 20 Gen Poor
ADI late 65 Good 5 Very Poor 35 Fair
Max LVORI early 6 5 8
Max LVORI late 1 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-192030-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 70 50
Chance of Thunder (%) 0 20 20
Temp (24h trend) 88 (+6) 66 (+6) 81
RH % (24h trend) 48 (+16) 100 (+2) 69
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 5 Lgt/Var NW 5
Precip Amount 0.00 0.23 0.06
Precip Duration 5 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1770 1040
Mixing Hgt(ft-agl/msl)5800 3430
Transport Wnd (mph) S 9 NW 8
Vent Rate (kt-ft) 46400 24010
Dispersion 3 3
ADI early 27 Fair 8 Poor 18 Gen Poor
ADI late 68 Good 5 Very Poor 32 Fair
Max LVORI early 7 5 8
Max LVORI late 1 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-192030-
Coshocton-
Including the city of Coshocton
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 40
Chance of Thunder (%) 0 30 20
Temp (24h trend) 88 (+4) 67 (+6) 81
RH % (24h trend) 51 (+7) 100 (+11) 71
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 5 Lgt/Var N 5
Precip Amount 0.00 0.17 0.01
Precip Duration 3 2
Precip Begin 6 PM 8 AM
Precip End 4 AM 6 PM
Mixing Hgt(m-agl/msl) 1670 1120
Mixing Hgt(ft-agl/msl)5470 3660
Transport Wnd (mph) SW 8 N 8
Vent Rate (kt-ft) 38290 25620
Dispersion 3 3
ADI early 25 Fair 8 Poor 23 Fair
ADI late 62 Good 3 Very Poor 41 Gen Good
Max LVORI early 6 6 8
Max LVORI late 1 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-192030-
Harrison-
Including the city of Cadiz
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 88 (+4) 67 (+5) 83
RH % (24h trend) 48 (+12) 100 (+5) 66
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var NW 5
Precip Amount 0.00 0.11 0.06
Precip Duration 3 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1780 1320
Mixing Hgt(ft-agl/msl)5830 4330
Transport Wnd (mph) S 9 N 8
Vent Rate (kt-ft) 46640 30310
Dispersion 3 3
ADI early 25 Fair 5 Very Poor 17 Gen Poor
ADI late 64 Good 5 Very Poor 31 Fair
Max LVORI early 6 5 8
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-192030-
Jefferson OH-
Including the city of Steubenville
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 88 (+5) 67 (+5) 83
RH % (24h trend) 46 (+14) 100 (+4) 65
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var NW 5
Precip Amount 0.00 0.07 0.06
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1820 1370
Mixing Hgt(ft-agl/msl)5970 4480
Transport Wnd (mph) S 8 N 8
Vent Rate (kt-ft) 41790 31360
Dispersion 3 3
ADI early 25 Fair 5 Very Poor 17 Gen Poor
ADI late 65 Good 5 Very Poor 31 Fair
Max LVORI early 7 4 8
Max LVORI late 1 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-192030-
Muskingum-
Including the city of Zanesville
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 50
Chance of Thunder (%) 0 30 30
Temp (24h trend) 89 (+4) 67 (+5) 82
RH % (24h trend) 51 (+6) 100 (+8) 71
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.11 0.02
Precip Duration 3 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1740 1180
Mixing Hgt(ft-agl/msl)5700 3880
Transport Wnd (mph) SW 8 NW 7
Vent Rate (kt-ft) 39900 23280
Dispersion 3 2
ADI early 22 Fair 4 Very Poor 18 Gen Poor
ADI late 53 Gen Good 3 Very Poor 36 Fair
Max LVORI early 6 6 9
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-192030-
Guernsey-
Including the city of Cambridge
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 89 (+4) 67 (+6) 83
RH % (24h trend) 49 (+6) 100 (+5) 69
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.09 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1750 1200
Mixing Hgt(ft-agl/msl)5740 3950
Transport Wnd (mph) SW 8 N 9
Vent Rate (kt-ft) 40180 31600
Dispersion 3 3
ADI early 23 Fair 4 Very Poor 16 Gen Poor
ADI late 55 Gen Good 4 Very Poor 34 Fair
Max LVORI early 6 6 8
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-192030-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 89 (+5) 67 (+4) 83
RH % (24h trend) 49 (+8) 100 (+3) 69
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.02 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1790 1290
Mixing Hgt(ft-agl/msl)5880 4240
Transport Wnd (mph) SW 7 N 7
Vent Rate (kt-ft) 35280 25440
Dispersion 3 2
ADI early 23 Fair 4 Very Poor 22 Fair
ADI late 54 Gen Good 5 Very Poor 28 Fair
Max LVORI early 8 5 8
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-192030-
Noble-
Including the city of Caldwell
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 89 (+4) 67 (+5) 83
RH % (24h trend) 50 (+4) 100 (+2) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.02 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1760 1240
Mixing Hgt(ft-agl/msl)5770 4070
Transport Wnd (mph) S 7 N 8
Vent Rate (kt-ft) 34620 28490
Dispersion 3 3
ADI early 21 Fair 4 Very Poor 16 Gen Poor
ADI late 48 Gen Good 4 Very Poor 30 Fair
Max LVORI early 7 5 8
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-192030-
Monroe-
Including the city of Woodsfield
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 40 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 89 (+5) 68 (+5) 84
RH % (24h trend) 50 (+5) 100 (+3) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.05
Precip Duration 1 2
Precip Begin 10 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1810 1200
Mixing Hgt(ft-agl/msl)5930 3920
Transport Wnd (mph) SW 6 N 7
Vent Rate (kt-ft) 29650 23520
Dispersion 3 2
ADI early 22 Fair 3 Very Poor 22 Fair
ADI late 47 Gen Good 4 Very Poor 25 Fair
Max LVORI early 8 5 7
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-192030-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 70 50
Chance of Thunder (%) 0 30 20
Temp (24h trend) 86 (+7) 64 (+5) 80
RH % (24h trend) 53 (+14) 100 (0) 75
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) S 6 SE 5 NW 5
Precip Amount 0.00 0.13 0.07
Precip Duration 4 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1540 940
Mixing Hgt(ft-agl/msl)5040 3100
Transport Wnd (mph) S 12 NW 7
Vent Rate (kt-ft) 50400 18600
Dispersion 3 2
ADI early 30 Fair 11 Poor 13 Gen Poor
ADI late 63 Good 10 Poor 32 Fair
Max LVORI early 7 5 9
Max LVORI late 2 8 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-192030-
Venango-
Including the cities of Oil City and Franklin
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Showers Tstms Tstms
Chance Precip (%) 20 70 50
Chance of Thunder (%) 0 30 30
Temp (24h trend) 84 (+5) 62 (+4) 79
RH % (24h trend) 55 (+18) 100 (0) 78
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) S 6 SE 6 Lgt/Var
Precip Amount 0.00 0.10 0.12
Precip Duration 1 4 2
Precip Begin 3 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1470 920
Mixing Hgt(ft-agl/msl)4840 3020
Transport Wnd (mph) S 10 NW 7
Vent Rate (kt-ft) 43560 18120
Dispersion 3 2
ADI early 34 Fair 12 Poor 10 Poor
ADI late 60 Gen Good 11 Poor 26 Fair
Max LVORI early 7 5 8
Max LVORI late 2 8 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-192030-
Forest-
Including the city of Tionesta
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Sprinkles Tstms Tstms
Chance Precip (%) 20 70 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 82 (+3) 60 (+4) 78
RH % (24h trend) 52 (+14) 100 (+1) 74
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) S 6 SE 6 Lgt/Var
Precip Amount 0.00 0.13 0.10
Precip Duration 0 4 8
Precip Begin 4 PM Continuing Continuing
Precip End Continuing Continuing Continuing
Mixing Hgt(m-agl/msl) 1400 840
Mixing Hgt(ft-agl/msl)4600 2740
Transport Wnd (mph) S 13 W 7
Vent Rate (kt-ft) 50600 16440
Dispersion 4 2
ADI early 39 Fair 12 Poor 14 Gen Poor
ADI late 51 Gen Good 12 Poor 23 Fair
Max LVORI early 7 5 8
Max LVORI late 2 8 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-192030-
Lawrence-
Including the cities of New Castle and Ellwood City
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 70 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 87 (+6) 64 (+5) 81
RH % (24h trend) 49 (+15) 100 (0) 72
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 5 Lgt/Var Lgt/Var
Precip Amount 0.00 0.28 0.10
Precip Duration 4 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1700 990
Mixing Hgt(ft-agl/msl)5580 3250
Transport Wnd (mph) S 10 NW 7
Vent Rate (kt-ft) 50220 19500
Dispersion 4 2
ADI early 24 Fair 10 Poor 14 Gen Poor
ADI late 71 Good 8 Poor 27 Fair
Max LVORI early 8 5 8
Max LVORI late 2 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-192030-
Butler-
Including the city of Butler
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 87 (+6) 63 (+4) 82
RH % (24h trend) 53 (+15) 100 (0) 74
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 5 SE 5 Lgt/Var
Precip Amount 0.00 0.11 0.14
Precip Duration 3 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1530 930
Mixing Hgt(ft-agl/msl)5020 3060
Transport Wnd (mph) S 10 NW 7
Vent Rate (kt-ft) 45180 18360
Dispersion 3 2
ADI early 24 Fair 11 Poor 16 Gen Poor
ADI late 68 Good 9 Poor 21 Fair
Max LVORI early 8 5 8
Max LVORI late 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-192030-
Clarion-
Including the city of Clarion
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 84 (+3) 62 (+2) 80
RH % (24h trend) 51 (+14) 100 (+2) 71
20ft Wnd-Val/AM(mph) SE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 6 SE 6 Lgt/Var
Precip Amount 0.00 0.10 0.12
Precip Duration 4 8
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1480 830
Mixing Hgt(ft-agl/msl)4870 2740
Transport Wnd (mph) S 12 W 7
Vent Rate (kt-ft) 48700 16440
Dispersion 3 2
ADI early 39 Fair 20 Gen Poor 16 Gen Poor
ADI late 66 Good 12 Poor 21 Fair
Max LVORI early 7 4 8
Max LVORI late 2 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-192030-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 70 70
Chance of Thunder (%) 0 20 30
Temp (24h trend) 81 (0) 60 (+2) 78
RH % (24h trend) 51 (+13) 100 (+5) 69
20ft Wnd-Val/AM(mph) SE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 8 SE 8 G17 Lgt/Var
Precip Amount 0.00 0.08 0.18
Precip Duration 2 8
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1350 820
Mixing Hgt(ft-agl/msl)4420 2700
Transport Wnd (mph) S 13 NE 7
Vent Rate (kt-ft) 48620 16200
Dispersion 4 2
ADI early 38 Fair 17 Gen Poor 21 Fair
ADI late 67 Good 15 Gen Poor 21 Fair
Max LVORI early 6 4 7
Max LVORI late 2 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-192030-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 88 (+5) 66 (+5) 82
RH % (24h trend) 46 (+20) 100 (+3) 67
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.06 0.07
Precip Duration 3 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1810 1020
Mixing Hgt(ft-agl/msl)5930 3350
Transport Wnd (mph) S 9 N 8
Vent Rate (kt-ft) 47440 23450
Dispersion 3 3
ADI early 22 Fair 10 Poor 16 Gen Poor
ADI late 68 Good 7 Poor 25 Fair
Max LVORI early 7 4 7
Max LVORI late 1 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-192030-
Allegheny-
Including the city of Pittsburgh Metro Area
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 87 (+5) 66 (+3) 83
RH % (24h trend) 49 (+10) 98 (+1) 68
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 6 SE 6 Lgt/Var
Precip Amount 0.00 0.02 0.10
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1760 1100
Mixing Hgt(ft-agl/msl)5770 3600
Transport Wnd (mph) S 9 NW 7
Vent Rate (kt-ft) 46160 21600
Dispersion 3 2
ADI early 22 Fair 10 Poor 23 Fair
ADI late 61 Good 8 Poor 22 Fair
Max LVORI early 7 4 6
Max LVORI late 2 5 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-192030-
Armstrong-
Including the cities of Kittanning and Ford City
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 60 70
Chance of Thunder (%) 0 20 30
Temp (24h trend) 85 (+3) 64 (+3) 82
RH % (24h trend) 52 (+10) 100 (+2) 71
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 6 SE 7 Lgt/Var
Precip Amount 0.00 0.07 0.26
Precip Duration 3 8
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1450 1000
Mixing Hgt(ft-agl/msl)4770 3300
Transport Wnd (mph) S 12 NW 7
Vent Rate (kt-ft) 47700 19800
Dispersion 3 2
ADI early 31 Fair 13 Gen Poor 24 Fair
ADI late 62 Good 9 Poor 24 Fair
Max LVORI early 7 5 8
Max LVORI late 2 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-192030-
Washington-
Including the cities of Washington and Canonsburg
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 40 60
Chance of Thunder (%) 0 20 40
Temp (24h trend) 87 (+5) 67 (+4) 83
RH % (24h trend) 49 (+9) 96 (-1) 68
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) S 5 SE 5 Lgt/Var
Precip Amount 0.00 0.01 0.07
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1810 1200
Mixing Hgt(ft-agl/msl)5940 3940
Transport Wnd (mph) S 8 NW 7
Vent Rate (kt-ft) 41580 23640
Dispersion 3 2
ADI early 25 Fair 6 Very Poor 29 Fair
ADI late 57 Gen Good 8 Poor 28 Fair
Max LVORI early 7 4 6
Max LVORI late 1 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-192030-
Greene-
Including the city of Waynesburg
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 30 60
Chance of Thunder (%) 0 20 40
Temp (24h trend) 87 (+4) 67 (+4) 83
RH % (24h trend) 52 (+7) 95 (-4) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.08
Precip Duration 2 5
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1860 1280
Mixing Hgt(ft-agl/msl)6100 4190
Transport Wnd (mph) S 7 NW 6
Vent Rate (kt-ft) 36600 20950
Dispersion 3 2
ADI early 26 Fair 6 Very Poor 27 Fair
ADI late 51 Gen Good 8 Poor 28 Fair
Max LVORI early 7 5 6
Max LVORI late 2 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-192030-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 40 70
Chance of Thunder (%) 0 20 40
Temp (24h trend) 86 (+4) 65 (+2) 83
RH % (24h trend) 55 (+8) 97 (0) 70
20ft Wnd-Val/AM(mph) SE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 7 SE 8 Lgt/Var
Precip Amount 0.00 0.01 0.16
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1550 1040
Mixing Hgt(ft-agl/msl)5100 3430
Transport Wnd (mph) S 9 W 7
Vent Rate (kt-ft) 40800 20580
Dispersion 3 2
ADI early 28 Fair 11 Poor 27 Fair
ADI late 55 Gen Good 9 Poor 27 Fair
Max LVORI early 6 5 6
Max LVORI late 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-192030-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 40 70
Chance of Thunder (%) 0 20 40
Temp (24h trend) 82 (+3) 63 (+1) 82
RH % (24h trend) 53 (-1) 98 (+5) 64
20ft Wnd-Val/AM(mph) SE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 7 SE 9 G19 Lgt/Var
Precip Amount 0.00 0.01 0.23
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1280 1040
Mixing Hgt(ft-agl/msl)4190 3400
Transport Wnd (mph) S 12 SW 8
Vent Rate (kt-ft) 41900 23800
Dispersion 3 3
ADI early 30 Fair 12 Poor 26 Fair
ADI late 52 Gen Good 12 Poor 28 Fair
Max LVORI early 5 5 6
Max LVORI late 2 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-192030-
Fayette-
Including the city of Uniontown
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 20 40
Temp (24h trend) 87 (+5) 67 (+2) 83
RH % (24h trend) 52 (+7) 93 (-1) 68
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 5 SE 6 Lgt/Var
Precip Amount 0.00 0.00 0.13
Precip Duration 2 5
Precip Begin 7 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1640 1220
Mixing Hgt(ft-agl/msl)5380 3990
Transport Wnd (mph) S 8 W 7
Vent Rate (kt-ft) 37660 23940
Dispersion 3 2
ADI early 28 Fair 10 Poor 26 Fair
ADI late 52 Gen Good 6 Very Poor 28 Fair
Max LVORI early 6 4 5
Max LVORI late 3 5 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-192030-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 20 40
Temp (24h trend) 83 (+3) 62 (+1) 81
RH % (24h trend) 55 (+2) 99 (+1) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 5 SE 6 G17 Lgt/Var
Precip Amount 0.00 0.00 0.23
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1310 1070
Mixing Hgt(ft-agl/msl)4310 3520
Transport Wnd (mph) S 9 W 9
Vent Rate (kt-ft) 34480 28160
Dispersion 3 3
ADI early 22 Fair 8 Poor 21 Fair
ADI late 43 Gen Good 8 Poor 32 Fair
Max LVORI early 6 6 7
Max LVORI late 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-192030-
Indiana-
Including the city of Indiana
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 70
Chance of Thunder (%) 0 20 30
Temp (24h trend) 83 (+2) 62 (+1) 81
RH % (24h trend) 56 (+8) 99 (+4) 70
20ft Wnd-Val/AM(mph) SE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) SE 8 SE 9 G18 Lgt/Var
Precip Amount 0.00 0.04 0.42
Precip Duration 2 8
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1340 970
Mixing Hgt(ft-agl/msl)4390 3190
Transport Wnd (mph) S 13 NE 6
Vent Rate (kt-ft) 48290 15950
Dispersion 4 2
ADI early 37 Fair 15 Gen Poor 24 Fair
ADI late 63 Good 15 Gen Poor 24 Fair
Max LVORI early 6 4 7
Max LVORI late 2 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-192030-
Higher Elevations of Indiana-
Including the city of Armagh
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 70
Chance of Thunder (%) 0 10 30
Temp (24h trend) 79 (-1) 64 (+2) 80
RH % (24h trend) 59 (+7) 98 (+4) 71
20ft Wnd-Val/AM(mph) SE 6 S 5
20ft Wnd-Rdg/PM(mph) SE 8 SE 9 G19 Lgt/Var
Precip Amount 0.00 0.01 0.42
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1170 870
Mixing Hgt(ft-agl/msl)3830 2870
Transport Wnd (mph) S 14 SE 6
Vent Rate (kt-ft) 45960 14350
Dispersion 3 2
ADI early 33 Fair 13 Gen Poor 24 Fair
ADI late 58 Gen Good 15 Gen Poor 23 Fair
Max LVORI early 5 5 6
Max LVORI late 3 5 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-192030-
Hancock-
Including the city of Weirton
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 50
Chance of Thunder (%) 0 20 30
Temp (24h trend) 88 (+5) 67 (+5) 82
RH % (24h trend) 44 (+16) 99 (+5) 65
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.06 0.05
Precip Duration 2 2
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1860 1140
Mixing Hgt(ft-agl/msl)6110 3730
Transport Wnd (mph) S 8 N 8
Vent Rate (kt-ft) 42770 26110
Dispersion 3 3
ADI early 26 Fair 8 Poor 16 Gen Poor
ADI late 69 Good 5 Very Poor 28 Fair
Max LVORI early 6 4 7
Max LVORI late 1 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-192030-
Brooke-
Including the cities of Follansbee and Wellsburg
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 50 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 88 (+4) 68 (+4) 83
RH % (24h trend) 45 (+10) 97 (+2) 65
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.06
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1870 1250
Mixing Hgt(ft-agl/msl)6150 4090
Transport Wnd (mph) S 8 N 7
Vent Rate (kt-ft) 43050 24540
Dispersion 3 2
ADI early 26 Fair 8 Poor 21 Fair
ADI late 58 Gen Good 5 Very Poor 26 Fair
Max LVORI early 6 4 6
Max LVORI late 1 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-192030-
Ohio-
Including the city of Wheeling
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 40 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 88 (+4) 68 (+5) 83
RH % (24h trend) 48 (+7) 97 (+1) 69
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.01 0.06
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1850 1210
Mixing Hgt(ft-agl/msl)6080 3960
Transport Wnd (mph) SW 7 NW 7
Vent Rate (kt-ft) 36480 23760
Dispersion 3 2
ADI early 28 Fair 6 Very Poor 30 Fair
ADI late 56 Gen Good 8 Poor 29 Fair
Max LVORI early 7 4 6
Max LVORI late 2 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-192030-
Marshall-
Including the city of Moundsville
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 40 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 89 (+6) 68 (+4) 83
RH % (24h trend) 52 (+8) 97 (+1) 73
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.06
Precip Duration 1 5
Precip Begin 11 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1900 1220
Mixing Hgt(ft-agl/msl)6230 4020
Transport Wnd (mph) SW 7 W 7
Vent Rate (kt-ft) 37380 24120
Dispersion 3 2
ADI early 25 Fair 5 Very Poor 29 Fair
ADI late 50 Gen Good 6 Very Poor 29 Fair
Max LVORI early 7 5 6
Max LVORI late 2 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-192030-
Wetzel-
Including the city of New Martinsville
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 30 60
Chance of Thunder (%) 0 20 30
Temp (24h trend) 89 (+6) 68 (+4) 83
RH % (24h trend) 54 (+8) 96 (-1) 73
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.06
Precip Duration 2 5
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1940 1210
Mixing Hgt(ft-agl/msl)6360 3960
Transport Wnd (mph) SW 6 W 7
Vent Rate (kt-ft) 31800 23760
Dispersion 3 2
ADI early 23 Fair 4 Very Poor 24 Fair
ADI late 47 Gen Good 5 Very Poor 27 Fair
Max LVORI early 7 5 6
Max LVORI late 3 6 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-192030-
Marion-
Including the city of Fairmont
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 20 60
Chance of Thunder (%) 0 20 40
Temp (24h trend) 87 (+4) 67 (+2) 83
RH % (24h trend) 54 (+6) 95 (-1) 72
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.08
Precip Duration 2 5
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1920 1280
Mixing Hgt(ft-agl/msl)6310 4200
Transport Wnd (mph) SW 6 W 7
Vent Rate (kt-ft) 31550 25200
Dispersion 3 2
ADI early 23 Fair 5 Very Poor 21 Fair
ADI late 42 Gen Good 5 Very Poor 33 Fair
Max LVORI early 6 5 6
Max LVORI late 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-192030-
Monongalia-
Including the city of Morgantown
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Pcldy
Precip Type None Tstms Tstms
Chance Precip (%) 0 30 70
Chance of Thunder (%) 0 20 40
Temp (24h trend) 87 (+5) 67 (+2) 83
RH % (24h trend) 54 (+7) 93 (-2) 72
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.11
Precip Duration 2 5
Precip Begin 8 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1800 1210
Mixing Hgt(ft-agl/msl)5920 3960
Transport Wnd (mph) S 7 W 7
Vent Rate (kt-ft) 35520 23760
Dispersion 3 2
ADI early 23 Fair 6 Very Poor 26 Fair
ADI late 46 Gen Good 5 Very Poor 27 Fair
Max LVORI early 6 5 5
Max LVORI late 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-192030-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Pcldy
Precip Type None Sprinkles Tstms
Chance Precip (%) 0 20 70
Chance of Thunder (%) 0 0 40
Temp (24h trend) 84 (+5) 64 (+1) 80
RH % (24h trend) 55 (0) 97 (0) 71
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.12
Precip Duration 2 5
Precip Begin 7 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1470 960
Mixing Hgt(ft-agl/msl)4830 3150
Transport Wnd (mph) S 6 W 7
Vent Rate (kt-ft) 24150 18900
Dispersion 3 2
ADI early 16 Gen Poor 6 Very Poor 21 Fair
ADI late 37 Fair 5 Very Poor 22 Fair
Max LVORI early 6 6 6
Max LVORI late 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-192030-
Preston-
Including the cities of Kingwood and Bruceton Mills
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Mclear Mclear Pcldy
Precip Type None Sprinkles Tstms
Chance Precip (%) 0 20 70
Chance of Thunder (%) 0 0 40
Temp (24h trend) 85 (+4) 64 (+1) 83
RH % (24h trend) 55 (-3) 98 (0) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.18
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1560 1070
Mixing Hgt(ft-agl/msl)5110 3520
Transport Wnd (mph) S 6 W 7
Vent Rate (kt-ft) 25550 21120
Dispersion 3 2
ADI early 19 Gen Poor 6 Very Poor 24 Fair
ADI late 37 Fair 5 Very Poor 26 Fair
Max LVORI early 7 6 6
Max LVORI late 3 6 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-192030-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type None Sprinkles Tstms
Chance Precip (%) 0 20 70
Chance of Thunder (%) 0 0 40
Temp (24h trend) 83 (+3) 62 (0) 81
RH % (24h trend) 56 (-9) 99 (0) 70
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 6 Lgt/Var
Precip Amount 0.00 0.00 0.17
Precip Duration 2 4
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1420 980
Mixing Hgt(ft-agl/msl)4660 3200
Transport Wnd (mph) S 8 W 8
Vent Rate (kt-ft) 32620 22400
Dispersion 3 2
ADI early 19 Gen Poor 8 Poor 30 Fair
ADI late 38 Fair 5 Very Poor 29 Fair
Max LVORI early 7 6 6
Max LVORI late 3 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-192030-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type None Sprinkles Tstms
Chance Precip (%) 0 10 70
Chance of Thunder (%) 0 0 40
Temp (24h trend) 84 (+3) 64 (+2) 82
RH % (24h trend) 53 (-8) 96 (-3) 66
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.13
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1610 1060
Mixing Hgt(ft-agl/msl)5280 3470
Transport Wnd (mph) SW 6 W 8
Vent Rate (kt-ft) 26400 24290
Dispersion 3 3
ADI early 22 Fair 6 Very Poor 35 Fair
ADI late 37 Fair 5 Very Poor 34 Fair
Max LVORI early 7 6 6
Max LVORI late 3 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-192030-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
1222 AM EDT Tue Aug 19 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type None Sprinkles Tstms
Chance Precip (%) 0 10 70
Chance of Thunder (%) 0 0 40
Temp (24h trend) 79 (+3) 59 (-1) 78
RH % (24h trend) 63 (-12) 100 (0) 75
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var SE 5 Lgt/Var
Precip Amount 0.00 0.00 0.24
Precip Duration 2 5
Precip Begin 6 PM Continuing
Precip End Continuing Continuing
Mixing Hgt(m-agl/msl) 1250 930
Mixing Hgt(ft-agl/msl)4110 3060
Transport Wnd (mph) S 8 W 7
Vent Rate (kt-ft) 28770 18360
Dispersion 3 2
ADI early 18 Gen Poor 8 Poor 31 Fair
ADI late 32 Fair 7 Poor 28 Fair
Max LVORI early 8 7 6
Max LVORI late 3 8 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the upper 70s. North winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s. Northeast winds around 5 mph.
.SATURDAY...Mostly clear. A chance of showers. Lows in the lower
60s. Highs in the mid 80s. South winds 5 to 10 mph.
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. West winds 5 to 10 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. West winds 5 to 10 mph.
$$