Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pittsburgh, PA
Issued by NWS Pittsburgh, PA
895
FNUS51 KPBZ 311841
FWFPBZ
Fire Weather Planning Forecast
National Weather Service Pittsburgh PA
241 PM EDT Thu Jul 31 2025
.Discussion...
With high pressure building into the area tonight into tomorrow,
conditions are expected to become dry. Tomorrow, minimum relative
humidity is forecast between 37%-42% with gustier conditions in
eastern Ohio (15-20 mph out of the north-northeast). Saturday is
expected to be drier and calmer with minimum relative humidity
around 35%-40% and gusts up to 15 mph.
&&
OHZ039-010815-
Tuscarawas-
Including the cities of New Philadelphia and Dover
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Sprinkles None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (-12) 77 (+1) 53 78
RH % (24h trend) 91 (-2) 43 (-38) 82 39
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 G17 NE 8 N 6 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt(m-agl/msl) 1760 1830
Mixing Hgt(ft-agl/msl) 5770 6000
Transport Wnd (mph) NE 16 NE 12
Vent Rate (kt-ft) 80780 60000
Dispersion 4 4
ADI early 20 Gen Poor 78 Good 10 Poor 58 Gen Good
ADI late 14 Gen Poor 98 Good 6 Very Poor 76 Good
Max LVORI early 4 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ040-010815-
Carroll-
Including the cities of Carrollton and Malvern
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 56 (-13) 77 (+2) 53 78
RH % (24h trend) 91 (+1) 44 (-37) 81 39
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 8 G17 NE 9 N 7 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt(m-agl/msl) 1740 1880
Mixing Hgt(ft-agl/msl) 5710 6170
Transport Wnd (mph) NE 15 NE 12
Vent Rate (kt-ft) 74230 61700
Dispersion 4 4
ADI early 21 Fair 74 Good 10 Poor 58 Gen Good
ADI late 13 Gen Poor 74 Good 6 Very Poor 77 Good
Max LVORI early 4 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ041-010815-
Columbiana-
Including the cities of East Liverpool, Salem, and Columbiana
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 55 (-13) 78 (+3) 52 79
RH % (24h trend) 92 (+3) 43 (-36) 83 39
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 G17 NE 8 N 6 Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt(m-agl/msl) 1750 1950
Mixing Hgt(ft-agl/msl) 5750 6380
Transport Wnd (mph) N 14 NE 10
Vent Rate (kt-ft) 69000 57420
Dispersion 4 4
ADI early 20 Gen Poor 74 Good 10 Poor 59 Gen Good
ADI late 11 Poor 101 Very Good5 Very Poor 73 Good
Max LVORI early 5 5 3 4
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ048-010815-
Coshocton-
Including the city of Coshocton
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Sprinkles None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 57 (-11) 77 (+1) 54 78
RH % (24h trend) 90 (-8) 45 (-37) 83 40
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 7 G17 NE 8 N 6 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 12 AM
Mixing Hgt(m-agl/msl) 1770 1730
Mixing Hgt(ft-agl/msl) 5810 5690
Transport Wnd (mph) NE 16 NE 14
Vent Rate (kt-ft) 81340 68280
Dispersion 4 4
ADI early 24 Fair 88 Good 11 Poor 54 Gen Good
ADI late 14 Gen Poor 109 Very Good6 Very Poor 85 Good
Max LVORI early 4 4 3 4
Max LVORI late 5 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ049-010815-
Harrison-
Including the city of Cadiz
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 58 (-11) 78 (-1) 55 78
RH % (24h trend) 90 (-2) 43 (-33) 80 38
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 NE 8 N 6 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1760 1870
Mixing Hgt(ft-agl/msl) 5760 6150
Transport Wnd (mph) N 14 NE 12
Vent Rate (kt-ft) 69120 61500
Dispersion 4 4
ADI early 17 Gen Poor 66 Good 9 Poor 54 Gen Good
ADI late 14 Gen Poor 101 Very Good7 Poor 78 Good
Max LVORI early 4 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ050-010815-
Jefferson OH-
Including the city of Steubenville
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 58 (-12) 78 (-1) 54 78
RH % (24h trend) 89 (0) 42 (-32) 80 38
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 8 NE 8 N 6 NE 5
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1790 1950
Mixing Hgt(ft-agl/msl) 5880 6410
Transport Wnd (mph) N 14 NE 10
Vent Rate (kt-ft) 70560 57690
Dispersion 4 4
ADI early 18 Gen Poor 64 Good 9 Poor 56 Gen Good
ADI late 14 Gen Poor 91 Good 6 Very Poor 77 Good
Max LVORI early 4 4 3 4
Max LVORI late 4 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ057-010815-
Muskingum-
Including the city of Zanesville
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 59 (-11) 78 (-2) 55 79
RH % (24h trend) 92 (-4) 45 (-32) 83 43
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 7 NE 8 G17 N 6 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt(m-agl/msl) 1700 1720
Mixing Hgt(ft-agl/msl) 5580 5650
Transport Wnd (mph) NE 16 NE 13
Vent Rate (kt-ft) 78120 62150
Dispersion 4 4
ADI early 22 Fair 75 Good 10 Poor 49 Gen Good
ADI late 14 Gen Poor 101 Very Good6 Very Poor 80 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ058-010815-
Guernsey-
Including the city of Cambridge
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 59 (-11) 78 (-3) 55 79
RH % (24h trend) 92 (-4) 45 (-31) 82 40
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 NE 7 N 5 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt(m-agl/msl) 1740 1780
Mixing Hgt(ft-agl/msl) 5720 5840
Transport Wnd (mph) NE 14 NE 13
Vent Rate (kt-ft) 68640 64240
Dispersion 4 4
ADI early 18 Gen Poor 72 Good 9 Poor 52 Gen Good
ADI late 12 Poor 100 Good 6 Very Poor 83 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ059-010815-
Belmont-
Including the cities of Martins Ferry and St. Clairsville
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 60 (-9) 78 (-5) 55 79
RH % (24h trend) 93 (-2) 46 (-27) 81 41
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 NE 8 N 6 NE 5
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1710 1720
Mixing Hgt(ft-agl/msl) 5620 5640
Transport Wnd (mph) N 14 NE 13
Vent Rate (kt-ft) 67440 62040
Dispersion 4 4
ADI early 15 Gen Poor 61 Good 9 Poor 46 Gen Good
ADI late 14 Gen Poor 87 Good 6 Very Poor 81 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ068-010815-
Noble-
Including the city of Caldwell
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 60 (-11) 79 (-5) 56 79
RH % (24h trend) 93 (-6) 46 (-26) 81 41
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 NE 6 N 5 NE 5
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 1 AM
Mixing Hgt(m-agl/msl) 1670 1700
Mixing Hgt(ft-agl/msl) 5490 5570
Transport Wnd (mph) N 15 NE 14
Vent Rate (kt-ft) 71370 66840
Dispersion 4 4
ADI early 16 Gen Poor 63 Good 9 Poor 46 Gen Good
ADI late 11 Poor 91 Good 6 Very Poor 86 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
OHZ069-010815-
Monroe-
Including the city of Woodsfield
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 61 (-9) 79 (-6) 57 79
RH % (24h trend) 93 (-4) 47 (-23) 80 41
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 NE 6 NE 5 Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1580 1690
Mixing Hgt(ft-agl/msl) 5190 5550
Transport Wnd (mph) N 14 NE 13
Vent Rate (kt-ft) 62280 61050
Dispersion 4 4
ADI early 11 Poor 52 Gen Good 9 Poor 45 Gen Good
ADI late 11 Poor 82 Good 6 Very Poor 82 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ007-010815-
Mercer-
Including the cities of Sharon, Hermitage, and Grove City
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type Sprinkles None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-12) 77 (+6) 50 79
RH % (24h trend) 95 (-2) 45 (-40) 85 42
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 NE 8 N 5 Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt(m-agl/msl) 1760 2050
Mixing Hgt(ft-agl/msl) 5760 6740
Transport Wnd (mph) NE 15 N 9
Vent Rate (kt-ft) 74880 53920
Dispersion 4 4
ADI early 18 Gen Poor 80 Good 9 Poor 42 Gen Good
ADI late 7 Poor 100 Good 5 Very Poor 71 Good
Max LVORI early 6 5 3 4
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ008-010815-
Venango-
Including the cities of Oil City and Franklin
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Clear Mclear
Precip Type Sprinkles None None None
Chance Precip (%) 20 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 53 (-13) 76 (+6) 49 78
RH % (24h trend) 94 (0) 45 (-41) 87 41
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 1
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt(m-agl/msl) 1830 2220
Mixing Hgt(ft-agl/msl) 6000 7270
Transport Wnd (mph) NE 13 N 8
Vent Rate (kt-ft) 66000 50890
Dispersion 4 4
ADI early 16 Gen Poor 82 Good 8 Poor 47 Gen Good
ADI late 5 Very Poor 90 Good 4 Very Poor 70 Good
Max LVORI early 6 5 3 5
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ009-010815-
Forest-
Including the city of Tionesta
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 52 (-13) 76 (+6) 47 78
RH % (24h trend) 93 (+2) 41 (-41) 86 38
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 5 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1790 2160
Mixing Hgt(ft-agl/msl) 5880 7100
Transport Wnd (mph) N 13 N 8
Vent Rate (kt-ft) 64680 49700
Dispersion 4 4
ADI early 11 Poor 82 Good 6 Very Poor 46 Gen Good
ADI late 6 Very Poor 86 Good 4 Very Poor 69 Good
Max LVORI early 6 5 3 5
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ013-010815-
Lawrence-
Including the cities of New Castle and Ellwood City
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 54 (-11) 78 (+3) 50 79
RH % (24h trend) 94 (-2) 43 (-39) 84 40
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 7 N 5 Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 11 PM
Mixing Hgt(m-agl/msl) 1790 1970
Mixing Hgt(ft-agl/msl) 5880 6460
Transport Wnd (mph) NE 14 NE 8
Vent Rate (kt-ft) 70560 45220
Dispersion 4 3
ADI early 18 Gen Poor 75 Good 10 Poor 51 Gen Good
ADI late 6 Very Poor 101 Very Good5 Very Poor 65 Good
Max LVORI early 6 5 3 4
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ014-010815-
Butler-
Including the city of Butler
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 55 (-12) 78 (+2) 50 79
RH % (24h trend) 96 (-2) 44 (-38) 84 41
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 N 5 Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1930 2180
Mixing Hgt(ft-agl/msl) 6330 7170
Transport Wnd (mph) N 13 NE 8
Vent Rate (kt-ft) 69630 50190
Dispersion 4 4
ADI early 18 Gen Poor 65 Good 8 Poor 56 Gen Good
ADI late 8 Poor 88 Good 5 Very Poor 66 Good
Max LVORI early 6 5 3 4
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ015-010815-
Clarion-
Including the city of Clarion
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Showers None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 54 (-14) 77 (+3) 49 79
RH % (24h trend) 92 (0) 41 (-37) 85 38
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 2
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1880 2290
Mixing Hgt(ft-agl/msl) 6160 7500
Transport Wnd (mph) N 13 N 8
Vent Rate (kt-ft) 67760 52500
Dispersion 4 4
ADI early 18 Gen Poor 75 Good 7 Poor 54 Gen Good
ADI late 8 Poor 88 Good 4 Very Poor 68 Good
Max LVORI early 5 5 3 5
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ016-010815-
Jefferson PA-
Including the cities of Punxsutawney and Brookville
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 54 (-14) 77 (+2) 49 78
RH % (24h trend) 91 (0) 40 (-28) 83 36
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1910 2380
Mixing Hgt(ft-agl/msl) 6260 7800
Transport Wnd (mph) N 12 N 8
Vent Rate (kt-ft) 62600 54600
Dispersion 4 4
ADI early 19 Gen Poor 71 Good 8 Poor 61 Good
ADI late 9 Poor 82 Good 4 Very Poor 70 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ020-010815-
Beaver-
Including the cities of Aliquippa, Beaver Falls, Ambridge,
and Monaca
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 56 (-8) 78 (0) 53 79
RH % (24h trend) 91 (+1) 41 (-31) 82 37
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 N 5 Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1870 2090
Mixing Hgt(ft-agl/msl) 6140 6860
Transport Wnd (mph) NE 13 NE 9
Vent Rate (kt-ft) 67540 54880
Dispersion 4 4
ADI early 18 Gen Poor 66 Good 9 Poor 56 Gen Good
ADI late 8 Poor 92 Good 5 Very Poor 71 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ021-010815-
Allegheny-
Including the city of Pittsburgh Metro Area
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 30 0 0 0
Temp (24h trend) 58 (-11) 79 (-2) 54 79
RH % (24h trend) 91 (-1) 44 (-28) 81 38
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 7 NE 8 N 5 Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 5
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1870 2090
Mixing Hgt(ft-agl/msl) 6120 6870
Transport Wnd (mph) N 13 NE 10
Vent Rate (kt-ft) 67320 61830
Dispersion 4 4
ADI early 16 Gen Poor 54 Gen Good 8 Poor 57 Gen Good
ADI late 13 Gen Poor 82 Good 6 Very Poor 74 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ022-010815-
Armstrong-
Including the cities of Kittanning and Ford City
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 30 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 56 (-12) 79 (0) 51 80
RH % (24h trend) 92 (-7) 44 (-26) 85 40
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1890 2220
Mixing Hgt(ft-agl/msl) 6190 7290
Transport Wnd (mph) N 12 NE 8
Vent Rate (kt-ft) 61900 51030
Dispersion 4 4
ADI early 17 Gen Poor 62 Good 7 Poor 55 Gen Good
ADI late 8 Poor 80 Good 5 Very Poor 68 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ029-010815-
Washington-
Including the cities of Washington and Canonsburg
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 60 (-8) 78 (-4) 55 78
RH % (24h trend) 91 (-4) 46 (-27) 81 40
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 7 NE 8 NE 6 NE 5
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt(m-agl/msl) 1780 1850
Mixing Hgt(ft-agl/msl) 5830 6080
Transport Wnd (mph) N 13 NE 10
Vent Rate (kt-ft) 64130 54720
Dispersion 4 4
ADI early 17 Gen Poor 50 Gen Good 8 Poor 47 Gen Good
ADI late 14 Gen Poor 78 Good 6 Very Poor 71 Good
Max LVORI early 4 5 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ031-010815-
Greene-
Including the city of Waynesburg
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 61 (-7) 77 (-7) 55 78
RH % (24h trend) 95 (-5) 52 (-19) 86 42
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 5 NE 7 NE 5 NE 5
Precip Amount 0.05 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1520 1720
Mixing Hgt(ft-agl/msl) 5000 5650
Transport Wnd (mph) N 13 NE 12
Vent Rate (kt-ft) 55000 56500
Dispersion 4 4
ADI early 11 Poor 40 Fair 8 Poor 39 Fair
ADI late 12 Poor 66 Good 5 Very Poor 71 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 2 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ073-010815-
Westmoreland-
Including the cities of Murrysville, Greensburg, New Kensington,
Lower Burrell, Latrobe, and Monessen
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 59 (-9) 78 (-4) 53 79
RH % (24h trend) 94 (-5) 47 (-26) 87 43
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.04 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1740 2070
Mixing Hgt(ft-agl/msl) 5720 6780
Transport Wnd (mph) N 10 NE 9
Vent Rate (kt-ft) 51480 54240
Dispersion 4 4
ADI early 14 Gen Poor 45 Gen Good 8 Poor 50 Gen Good
ADI late 11 Poor 65 Good 5 Very Poor 70 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ074-010815-
Higher Elevations of Westmoreland-
Including the cities of Ligonier and Donegal
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 58 (-9) 77 (-5) 52 79
RH % (24h trend) 96 (0) 48 (-21) 86 39
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 5
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1610 2020
Mixing Hgt(ft-agl/msl) 5280 6640
Transport Wnd (mph) N 10 NE 8
Vent Rate (kt-ft) 47520 46480
Dispersion 4 4
ADI early 8 Poor 33 Fair 4 Very Poor 53 Gen Good
ADI late 8 Poor 58 Gen Good 4 Very Poor 62 Good
Max LVORI early 6 5 4 4
Max LVORI late 6 2 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ075-010815-
Fayette-
Including the city of Uniontown
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 61 (-8) 77 (-8) 54 78
RH % (24h trend) 95 (-4) 52 (-19) 87 43
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.07 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1460 1850
Mixing Hgt(ft-agl/msl) 4790 6070
Transport Wnd (mph) N 12 NE 9
Vent Rate (kt-ft) 47900 48560
Dispersion 3 3
ADI early 9 Poor 35 Fair 6 Very Poor 42 Gen Good
ADI late 9 Poor 59 Gen Good 4 Very Poor 66 Good
Max LVORI early 6 6 4 5
Max LVORI late 6 2 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ076-010815-
Higher Elevations of Fayette-
Including the cities of Champion and Ohiopyle
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Showers None None
Chance Precip (%) 60 20 0 0
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 58 (-9) 75 (-8) 52 77
RH % (24h trend) 99 (0) 56 (-15) 87 42
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.10 0.00 0.00 0.00
Precip Duration 5 0
Precip Begin 6 PM Continuing
Precip End Continuing 9 AM
Mixing Hgt(m-agl/msl) 1270 1760
Mixing Hgt(ft-agl/msl) 4160 5790
Transport Wnd (mph) NE 9 NE 9
Vent Rate (kt-ft) 33280 46320
Dispersion 3 3
ADI early 5 Very Poor 29 Fair 4 Very Poor 40 Fair
ADI late 6 Very Poor 43 Gen Good 5 Very Poor 62 Good
Max LVORI early 8 6 5 4
Max LVORI late 8 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ077-010815-
Indiana-
Including the city of Indiana
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 56 (-11) 78 (-1) 50 79
RH % (24h trend) 92 (-8) 45 (-19) 85 41
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 6 NE 6 Lgt/Var Lgt/Var
Precip Amount 0.01 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1870 2280
Mixing Hgt(ft-agl/msl) 6130 7490
Transport Wnd (mph) NE 10 NE 8
Vent Rate (kt-ft) 55170 52430
Dispersion 4 4
ADI early 15 Gen Poor 51 Gen Good 5 Very Poor 59 Gen Good
ADI late 10 Poor 69 Good 5 Very Poor 68 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
PAZ078-010815-
Higher Elevations of Indiana-
Including the city of Armagh
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 20 0 0 0
Temp (24h trend) 57 (-10) 77 (-2) 52 77
RH % (24h trend) 94 (-4) 48 (-16) 84 40
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) NE 5 NE 5 Lgt/Var Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 4
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1750 2120
Mixing Hgt(ft-agl/msl) 5730 6940
Transport Wnd (mph) NE 10 NE 8
Vent Rate (kt-ft) 51570 48580
Dispersion 4 4
ADI early 10 Poor 41 Gen Good 5 Very Poor 56 Gen Good
ADI late 9 Poor 64 Good 5 Very Poor 65 Good
Max LVORI early 5 5 3 4
Max LVORI late 6 1 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ001-010815-
Hancock-
Including the city of Weirton
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 58 (-12) 78 (-1) 54 79
RH % (24h trend) 87 (+1) 41 (-31) 80 37
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 7 NE 7 N 6 Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 3 AM
Mixing Hgt(m-agl/msl) 1830 2050
Mixing Hgt(ft-agl/msl) 6020 6720
Transport Wnd (mph) N 14 NE 10
Vent Rate (kt-ft) 72240 60480
Dispersion 4 4
ADI early 18 Gen Poor 67 Good 9 Poor 61 Good
ADI late 12 Poor 92 Good 6 Very Poor 79 Good
Max LVORI early 4 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ002-010815-
Brooke-
Including the cities of Follansbee and Wellsburg
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 40 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 60 (-9) 79 (-2) 56 79
RH % (24h trend) 88 (-6) 42 (-30) 79 37
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 7 NE 8 NE 6 Lgt/Var
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1860 1950
Mixing Hgt(ft-agl/msl) 6090 6400
Transport Wnd (mph) N 14 NE 12
Vent Rate (kt-ft) 73080 64000
Dispersion 4 4
ADI early 17 Gen Poor 58 Gen Good 9 Poor 55 Gen Good
ADI late 14 Gen Poor 90 Good 6 Very Poor 75 Good
Max LVORI early 4 4 3 4
Max LVORI late 4 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ003-010815-
Ohio-
Including the city of Wheeling
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 50 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 60 (-8) 78 (-4) 56 78
RH % (24h trend) 92 (-5) 46 (-28) 80 40
20ft Wnd-Val/AM(mph) NE 7 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 NE 8 NE 6 NE 5
Precip Amount 0.02 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 4 AM
Mixing Hgt(m-agl/msl) 1780 1740
Mixing Hgt(ft-agl/msl) 5840 5710
Transport Wnd (mph) N 14 NE 12
Vent Rate (kt-ft) 70080 57100
Dispersion 4 4
ADI early 14 Gen Poor 55 Gen Good 8 Poor 49 Gen Good
ADI late 13 Gen Poor 87 Good 6 Very Poor 72 Good
Max LVORI early 5 5 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ004-010815-
Marshall-
Including the city of Moundsville
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 40 0 0 0
Temp (24h trend) 61 (-7) 79 (-5) 57 79
RH % (24h trend) 92 (-6) 50 (-24) 80 42
20ft Wnd-Val/AM(mph) NE 6 Lgt/Var
20ft Wnd-Rdg/PM(mph) N 6 NE 7 NE 5 NE 5
Precip Amount 0.03 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 5 AM
Mixing Hgt(m-agl/msl) 1660 1670
Mixing Hgt(ft-agl/msl) 5460 5470
Transport Wnd (mph) N 14 NE 13
Vent Rate (kt-ft) 65520 60170
Dispersion 4 4
ADI early 13 Gen Poor 50 Gen Good 8 Poor 42 Gen Good
ADI late 13 Gen Poor 81 Good 6 Very Poor 77 Good
Max LVORI early 5 4 3 4
Max LVORI late 5 1 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ012-010815-
Wetzel-
Including the city of New Martinsville
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 61 (-9) 78 (-7) 57 79
RH % (24h trend) 96 (-2) 55 (-19) 80 43
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.06 0.00 0.00 0.00
Precip Duration 3
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1460 1680
Mixing Hgt(ft-agl/msl) 4790 5510
Transport Wnd (mph) NE 13 NE 13
Vent Rate (kt-ft) 52690 60610
Dispersion 4 4
ADI early 10 Poor 43 Gen Good 7 Poor 43 Gen Good
ADI late 10 Poor 68 Good 5 Very Poor 77 Good
Max LVORI early 6 5 3 4
Max LVORI late 5 3 4 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ021-010815-
Marion-
Including the city of Fairmont
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 70 0 0 0
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 62 (-9) 76 (-10) 56 78
RH % (24h trend) 97 (-2) 61 (-11) 86 45
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.08 0.00 0.00 0.00
Precip Duration 5
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1250 1770
Mixing Hgt(ft-agl/msl) 4110 5820
Transport Wnd (mph) NE 12 NE 10
Vent Rate (kt-ft) 41100 52380
Dispersion 3 4
ADI early 8 Poor 37 Fair 7 Poor 42 Gen Good
ADI late 9 Poor 53 Gen Good 5 Very Poor 68 Good
Max LVORI early 7 5 4 4
Max LVORI late 6 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ509-010815-
Monongalia-
Including the city of Morgantown
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms None None None
Chance Precip (%) 60 0 0 0
Chance of Thunder (%) 50 0 0 0
Temp (24h trend) 61 (-9) 76 (-9) 55 78
RH % (24h trend) 97 (-2) 59 (-11) 86 45
20ft Wnd-Val/AM(mph) NE 5 Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 6 Lgt/Var Lgt/Var
Precip Amount 0.09 0.00 0.00 0.00
Precip Duration 5
Precip Begin 6 PM
Precip End 6 AM
Mixing Hgt(m-agl/msl) 1290 1820
Mixing Hgt(ft-agl/msl) 4230 5980
Transport Wnd (mph) NE 10 NE 10
Vent Rate (kt-ft) 38070 53820
Dispersion 3 4
ADI early 8 Poor 35 Fair 6 Very Poor 43 Gen Good
ADI late 9 Poor 48 Gen Good 4 Very Poor 70 Good
Max LVORI early 6 6 4 4
Max LVORI late 6 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ510-010815-
Ridges of Eastern Monongalia and Northwestern Preston-
Including the city of Coopers Rock
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Showers None None
Chance Precip (%) 70 20 0 0
Chance of Thunder (%) 60 0 0 0
Temp (24h trend) 60 (-9) 74 (-9) 54 77
RH % (24h trend) 100 (+1) 63 (-10) 89 44
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var NE 5 Lgt/Var Lgt/Var
Precip Amount 0.12 0.00 0.00 0.00
Precip Duration 5 0
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(m-agl/msl) 1080 1720
Mixing Hgt(ft-agl/msl) 3530 5640
Transport Wnd (mph) NE 9 NE 9
Vent Rate (kt-ft) 28240 45120
Dispersion 3 3
ADI early 6 Very Poor 26 Fair 5 Very Poor 38 Fair
ADI late 7 Poor 36 Fair 5 Very Poor 62 Good
Max LVORI early 9 6 5 4
Max LVORI late 9 3 5 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ511-010815-
Preston-
Including the cities of Kingwood and Bruceton Mills
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Mclear Mclear
Precip Type Tstms Showers None None
Chance Precip (%) 70 30 0 0
Chance of Thunder (%) 60 0 0 0
Temp (24h trend) 60 (-9) 76 (-9) 53 78
RH % (24h trend) 100 (+1) 63 (-7) 91 44
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.12 0.01 0.00 0.00
Precip Duration 5 1
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(m-agl/msl) 1130 1770
Mixing Hgt(ft-agl/msl) 3720 5820
Transport Wnd (mph) NE 9 NE 9
Vent Rate (kt-ft) 29760 46560
Dispersion 3 3
ADI early 5 Very Poor 30 Fair 5 Very Poor 42 Gen Good
ADI late 5 Very Poor 36 Fair 5 Very Poor 62 Good
Max LVORI early 9 7 5 5
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ512-010815-
Eastern Preston-
Including the cities of Terra Alta, Rowlesburg, and Hazelton
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Mclear Mclear
Precip Type Tstms Showers None None
Chance Precip (%) 80 30 0 0
Chance of Thunder (%) 60 0 0 0
Temp (24h trend) 60 (-8) 74 (-9) 53 76
RH % (24h trend) 100 (0) 64 (-6) 92 45
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.13 0.01 0.00 0.00
Precip Duration 7 1
Precip Begin 6 PM Continuing
Precip End Continuing 6 PM
Mixing Hgt(m-agl/msl) 1070 1650
Mixing Hgt(ft-agl/msl) 3500 5420
Transport Wnd (mph) NE 9 E 9
Vent Rate (kt-ft) 28000 43360
Dispersion 3 3
ADI early 5 Very Poor 25 Fair 5 Very Poor 38 Fair
ADI late 6 Very Poor 32 Fair 5 Very Poor 56 Gen Good
Max LVORI early 9 7 6 4
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ513-010815-
Western Tucker-
Including the cities of Parsons, Hendricks, and Saint George
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Pcldy Mclear
Precip Type Tstms Showers Showers None
Chance Precip (%) 80 40 20 0
Chance of Thunder (%) 60 0 0 0
Temp (24h trend) 61 (-7) 75 (-10) 54 78
RH % (24h trend) 100 (0) 62 (-3) 95 44
20ft Wnd-Val/AM(mph) Lgt/Var Lgt/Var
20ft Wnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.16 0.02 0.00 0.00
Precip Duration 5 2 1
Precip Begin 6 PM Continuing Continuing
Precip End Continuing Continuing 2 AM
Mixing Hgt(m-agl/msl) 1050 1760
Mixing Hgt(ft-agl/msl) 3440 5770
Transport Wnd (mph) E 9 E 8
Vent Rate (kt-ft) 27520 40390
Dispersion 3 3
ADI early 5 Very Poor 26 Fair 5 Very Poor 37 Fair
ADI late 4 Very Poor 32 Fair 5 Very Poor 56 Gen Good
Max LVORI early 9 7 6 5
Max LVORI late 9 3 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
WVZ514-010815-
Eastern Tucker-
Including the cities of Davis, Thomas, and Canaan Valley
241 PM EDT Thu Jul 31 2025
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Mcldy Pcldy Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 80 50 20 0
Chance of Thunder (%) 60 20 0 0
Temp (24h trend) 57 (-9) 70 (-11) 49 73
RH % (24h trend) 100 (0) 72 (0) 96 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 0.10 0.02 0.00 0.00
Precip Duration 5 3 1
Precip Begin 6 PM Continuing 7 PM
Precip End Continuing 6 PM 2 AM
Mixing Hgt(m-agl/msl) 860 1590
Mixing Hgt(ft-agl/msl) 2830 5210
Transport Wnd (mph) E 9 E 8
Vent Rate (kt-ft) 22640 36470
Dispersion 2 3
ADI early 7 Poor 13 Gen Poor 6 Very Poor 28 Fair
ADI late 4 Very Poor 25 Fair 5 Very Poor 45 Gen Good
Max LVORI early 9 8 6 5
Max LVORI late 9 5 6 1
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
$$
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Light winds.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s. East winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 60. Highs in the lower 80s.
Southeast winds around 5 mph.
.WEDNESDAY...Mostly cloudy. Scattered showers. Lows in the lower
60s. Highs around 80. Southeast winds around 5 mph.
.THURSDAY...Partly cloudy. Scattered showers. Lows in the lower
60s. Highs in the lower 80s. Southeast winds around 5 mph.
$$
Lupo