157
FNUS51 KPBZ 171712
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
112 PM EDT WED SEP 17 2025
DISCUSSION
A MOSTLY DRY FORECAST WILL CONTINUE THROUGH FRIDAY UNDER HIGH
PRESSURE. MINIMUM RELATIVE HUMIDITY MAY DROP INTO THE 25 TO 35
PERCENT RANGE ON THURSDAY, PARTICULARLY ACROSS EASTERN OHIO.
HOWEVER, CONTINUED LIGHT WIND (NORTHWEST UNDER 10 MPH) WILL KEEP
FIRE SPREAD POTENTIAL A BIT MUTED. MIN RH VALUES MAY IMPROVE
FRIDAY, MORE TOWARDS THE 35 TO 45 PERCENT RANGE, BUT WIND MAY PICK
UP SLIGHTLY WHILE MAINTAINING A NORTHERLY COMPONENT.
OHZ039-180815-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-4) 86 (+2) 55 86
RH % (24H TREND) 99 (+2) 29 (-5) 92 40
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2050 2110
MIXING HGT(FT-AGL/MSL) 6730 6920
TRANSPORT WND (MPH) NW 8 NW 9
VENT RATE (KT-FT) 47110 55360
DISPERSION 4 4
ADI EARLY 3 VERY POOR 19 GEN POOR 3 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 58 GEN GOOD 3 VERY POOR 64 GOOD
MAX LVORI EARLY 4 9 3 6
MAX LVORI LATE 8 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-180815-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-4) 85 (+2) 55 85
RH % (24H TREND) 100 (+8) 29 (-6) 90 41
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2020 1860
MIXING HGT(FT-AGL/MSL) 6630 6110
TRANSPORT WND (MPH) NW 8 NW 9
VENT RATE (KT-FT) 46410 48880
DISPERSION 4 3
ADI EARLY 3 VERY POOR 19 GEN POOR 3 VERY POOR 22 FAIR
ADI LATE 3 VERY POOR 57 GEN GOOD 3 VERY POOR 63 GOOD
MAX LVORI EARLY 4 9 3 5
MAX LVORI LATE 7 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-180815-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-4) 85 (+2) 56 84
RH % (24H TREND) 99 (+7) 28 (-8) 93 42
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2000 1730
MIXING HGT(FT-AGL/MSL) 6570 5670
TRANSPORT WND (MPH) NW 8 NW 12
VENT RATE (KT-FT) 45990 56700
DISPERSION 4 4
ADI EARLY 3 VERY POOR 20 GEN POOR 4 VERY POOR 26 FAIR
ADI LATE 3 VERY POOR 56 GEN GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 4 8 3 6
MAX LVORI LATE 8 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-180815-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-4) 85 (+1) 55 86
RH % (24H TREND) 99 (0) 29 (-7) 93 40
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2040 2340
MIXING HGT(FT-AGL/MSL) 6700 7670
TRANSPORT WND (MPH) NW 7 NW 8
VENT RATE (KT-FT) 40200 53690
DISPERSION 3 4
ADI EARLY 3 VERY POOR 22 FAIR 3 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 52 GEN GOOD 3 VERY POOR 64 GOOD
MAX LVORI EARLY 4 8 3 6
MAX LVORI LATE 8 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-180815-
HARRISON-
INCLUDING THE CITY OF CADIZ
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-3) 86 (+3) 55 86
RH % (24H TREND) 99 (+10) 26 (-8) 91 39
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1990 2080
MIXING HGT(FT-AGL/MSL) 6520 6820
TRANSPORT WND (MPH) NW 8 NW 9
VENT RATE (KT-FT) 45640 54560
DISPERSION 3 4
ADI EARLY 3 VERY POOR 23 FAIR 3 VERY POOR 19 GEN POOR
ADI LATE 3 VERY POOR 56 GEN GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 3 8 3 6
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-180815-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 86 (+3) 56 86
RH % (24H TREND) 97 (+13) 25 (-8) 88 38
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2000 1970
MIXING HGT(FT-AGL/MSL) 6570 6460
TRANSPORT WND (MPH) NW 8 NW 10
VENT RATE (KT-FT) 45990 58140
DISPERSION 4 4
ADI EARLY 3 VERY POOR 22 FAIR 3 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 56 GEN GOOD 3 VERY POOR 65 GOOD
MAX LVORI EARLY 3 6 3 6
MAX LVORI LATE 6 2 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-180815-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER CLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-3) 86 (+2) 54 87
RH % (24H TREND) 98 (+1) 28 (-8) 94 38
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2170 2480
MIXING HGT(FT-AGL/MSL) 7130 8120
TRANSPORT WND (MPH) NW 8 NW 8
VENT RATE (KT-FT) 49910 56840
DISPERSION 4 4
ADI EARLY 3 VERY POOR 23 FAIR 3 VERY POOR 20 GEN POOR
ADI LATE 2 VERY POOR 60 GEN GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 4 9 3 6
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-180815-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-3) 86 (+2) 54 87
RH % (24H TREND) 99 (+3) 28 (-7) 93 39
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2100 2330
MIXING HGT(FT-AGL/MSL) 6890 7640
TRANSPORT WND (MPH) NW 8 NW 8
VENT RATE (KT-FT) 48230 53480
DISPERSION 4 4
ADI EARLY 3 VERY POOR 24 FAIR 3 VERY POOR 19 GEN POOR
ADI LATE 3 VERY POOR 58 GEN GOOD 2 VERY POOR 70 GOOD
MAX LVORI EARLY 4 8 3 6
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-180815-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-3) 86 (+3) 56 87
RH % (24H TREND) 97 (+9) 27 (-8) 89 39
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2060 2350
MIXING HGT(FT-AGL/MSL) 6760 7720
TRANSPORT WND (MPH) NW 9 NW 10
VENT RATE (KT-FT) 54080 69480
DISPERSION 4 4
ADI EARLY 3 VERY POOR 25 FAIR 3 VERY POOR 19 GEN POOR
ADI LATE 3 VERY POOR 64 GOOD 3 VERY POOR 78 GOOD
MAX LVORI EARLY 4 7 3 5
MAX LVORI LATE 6 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-180815-
NOBLE-
INCLUDING THE CITY OF CALDWELL
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 85 (+1) 54 87
RH % (24H TREND) 97 (+5) 28 (-8) 93 38
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2070 2310
MIXING HGT(FT-AGL/MSL) 6810 7590
TRANSPORT WND (MPH) NW 9 NW 9
VENT RATE (KT-FT) 54480 60720
DISPERSION 4 4
ADI EARLY 3 VERY POOR 21 FAIR 3 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 63 GOOD 3 VERY POOR 72 GOOD
MAX LVORI EARLY 4 7 3 6
MAX LVORI LATE 6 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-180815-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-3) 85 (+2) 55 87
RH % (24H TREND) 97 (+7) 27 (-9) 91 38
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2010 2250
MIXING HGT(FT-AGL/MSL) 6600 7370
TRANSPORT WND (MPH) NW 9 NW 9
VENT RATE (KT-FT) 52800 58960
DISPERSION 4 4
ADI EARLY 3 VERY POOR 19 GEN POOR 4 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 64 GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 4 7 3 6
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-180815-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-4) 83 (+2) 55 80
RH % (24H TREND) 100 (+5) 36 (-6) 100 51
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR NW 5 LGT/VAR N 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1770 1380
MIXING HGT(FT-AGL/MSL) 5810 4530
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 46480 45300
DISPERSION 3 3
ADI EARLY 2 VERY POOR 19 GEN POOR 4 VERY POOR 34 FAIR
ADI LATE 2 VERY POOR 54 GEN GOOD 3 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 6 9 4 8
MAX LVORI LATE 9 2 8 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-180815-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-3) 82 (+2) 55 80
RH % (24H TREND) 100 (+1) 37 (-5) 100 51
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1790 1420
MIXING HGT(FT-AGL/MSL) 5860 4670
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 46880 46700
DISPERSION 3 3
ADI EARLY 2 VERY POOR 24 FAIR 4 VERY POOR 32 FAIR
ADI LATE 2 VERY POOR 59 GEN GOOD 3 VERY POOR 61 GOOD
MAX LVORI EARLY 6 9 4 8
MAX LVORI LATE 9 1 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-180815-
FOREST-
INCLUDING THE CITY OF TIONESTA
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-3) 82 (+3) 54 79
RH % (24H TREND) 100 (+8) 33 (-5) 99 47
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1770 1390
MIXING HGT(FT-AGL/MSL) 5800 4550
TRANSPORT WND (MPH) NW 10 NW 12
VENT RATE (KT-FT) 52200 45500
DISPERSION 4 3
ADI EARLY 2 VERY POOR 26 FAIR 4 VERY POOR 37 FAIR
ADI LATE 3 VERY POOR 65 GOOD 4 VERY POOR 65 GOOD
MAX LVORI EARLY 5 9 3 8
MAX LVORI LATE 9 1 7 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-180815-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-4) 85 (+2) 55 84
RH % (24H TREND) 100 (+1) 31 (-7) 99 45
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1870 1550
MIXING HGT(FT-AGL/MSL) 6140 5080
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 49120 50800
DISPERSION 3 3
ADI EARLY 2 VERY POOR 22 FAIR 4 VERY POOR 27 FAIR
ADI LATE 2 VERY POOR 61 GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 5 9 4 7
MAX LVORI LATE 9 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-180815-
BUTLER-
INCLUDING THE CITY OF BUTLER
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-3) 84 (+3) 54 84
RH % (24H TREND) 100 (+1) 33 (-8) 100 47
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1860 1660
MIXING HGT(FT-AGL/MSL) 6110 5440
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 48880 54400
DISPERSION 3 4
ADI EARLY 2 VERY POOR 21 FAIR 4 VERY POOR 27 FAIR
ADI LATE 3 VERY POOR 61 GOOD 3 VERY POOR 68 GOOD
MAX LVORI EARLY 5 9 4 7
MAX LVORI LATE 9 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-180815-
CLARION-
INCLUDING THE CITY OF CLARION
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-3) 83 (+3) 55 81
RH % (24H TREND) 100 (+6) 32 (-6) 100 45
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1850 1590
MIXING HGT(FT-AGL/MSL) 6060 5210
TRANSPORT WND (MPH) NW 10 NW 13
VENT RATE (KT-FT) 54540 57310
DISPERSION 4 4
ADI EARLY 3 VERY POOR 23 FAIR 4 VERY POOR 32 FAIR
ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 72 GOOD
MAX LVORI EARLY 4 9 3 7
MAX LVORI LATE 10 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-180815-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-3) 82 (+4) 54 81
RH % (24H TREND) 99 (+10) 32 (-3) 96 43
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR NW 5 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1820 1610
MIXING HGT(FT-AGL/MSL) 5990 5290
TRANSPORT WND (MPH) NW 10 NW 13
VENT RATE (KT-FT) 53910 58190
DISPERSION 4 4
ADI EARLY 3 VERY POOR 29 FAIR 4 VERY POOR 35 FAIR
ADI LATE 3 VERY POOR 68 GOOD 4 VERY POOR 79 GOOD
MAX LVORI EARLY 3 9 3 6
MAX LVORI LATE 8 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-180815-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-3) 85 (+3) 56 84
RH % (24H TREND) 99 (+7) 28 (-8) 93 41
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1940 1670
MIXING HGT(FT-AGL/MSL) 6350 5470
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 50800 54700
DISPERSION 3 4
ADI EARLY 3 VERY POOR 20 GEN POOR 4 VERY POOR 24 FAIR
ADI LATE 3 VERY POOR 63 GOOD 2 VERY POOR 70 GOOD
MAX LVORI EARLY 4 8 3 6
MAX LVORI LATE 8 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-180815-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-3) 85 (+4) 55 85
RH % (24H TREND) 100 (+15) 30 (-9) 93 41
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1970 1900
MIXING HGT(FT-AGL/MSL) 6460 6240
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 51680 62400
DISPERSION 3 4
ADI EARLY 3 VERY POOR 19 GEN POOR 4 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 64 GOOD 2 VERY POOR 76 GOOD
MAX LVORI EARLY 4 9 3 6
MAX LVORI LATE 8 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-180815-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-3) 84 (+4) 54 84
RH % (24H TREND) 100 (+3) 33 (-6) 96 45
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1880 1740
MIXING HGT(FT-AGL/MSL) 6170 5700
TRANSPORT WND (MPH) NW 10 NW 13
VENT RATE (KT-FT) 55530 62700
DISPERSION 4 4
ADI EARLY 3 VERY POOR 18 GEN POOR 4 VERY POOR 29 FAIR
ADI LATE 3 VERY POOR 67 GOOD 2 VERY POOR 75 GOOD
MAX LVORI EARLY 5 9 4 7
MAX LVORI LATE 10 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-180815-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-3) 85 (+4) 54 85
RH % (24H TREND) 99 (+7) 28 (-9) 93 39
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2030 2200
MIXING HGT(FT-AGL/MSL) 6660 7220
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 53280 72200
DISPERSION 4 4
ADI EARLY 3 VERY POOR 20 GEN POOR 4 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 81 GOOD
MAX LVORI EARLY 4 8 3 6
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-180815-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 84 (+4) 54 85
RH % (24H TREND) 99 (+5) 32 (-9) 95 43
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2060 2260
MIXING HGT(FT-AGL/MSL) 6770 7420
TRANSPORT WND (MPH) NW 10 NW 10
VENT RATE (KT-FT) 60930 66780
DISPERSION 4 4
ADI EARLY 4 VERY POOR 20 GEN POOR 4 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 74 GOOD 3 VERY POOR 81 GOOD
MAX LVORI EARLY 5 9 3 6
MAX LVORI LATE 9 1 7 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-180815-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-3) 84 (+5) 54 84
RH % (24H TREND) 100 (+6) 33 (-7) 96 45
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1940 1860
MIXING HGT(FT-AGL/MSL) 6350 6090
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 50800 60900
DISPERSION 3 4
ADI EARLY 3 VERY POOR 17 GEN POOR 4 VERY POOR 21 FAIR
ADI LATE 3 VERY POOR 63 GOOD 3 VERY POOR 75 GOOD
MAX LVORI EARLY 5 9 4 6
MAX LVORI LATE 10 2 7 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-180815-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-1) 82 (+6) 55 84
RH % (24H TREND) 98 (+6) 32 (-5) 90 42
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1810 1730
MIXING HGT(FT-AGL/MSL) 5930 5680
TRANSPORT WND (MPH) NW 12 NW 13
VENT RATE (KT-FT) 59300 62480
DISPERSION 4 4
ADI EARLY 3 VERY POOR 19 GEN POOR 4 VERY POOR 25 FAIR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 75 GOOD
MAX LVORI EARLY 5 6 3 5
MAX LVORI LATE 7 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-180815-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 84 (+5) 54 85
RH % (24H TREND) 100 (+14) 32 (-8) 96 43
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2080 2210
MIXING HGT(FT-AGL/MSL) 6810 7250
TRANSPORT WND (MPH) W 9 NW 12
VENT RATE (KT-FT) 54480 72500
DISPERSION 4 4
ADI EARLY 3 VERY POOR 14 GEN POOR 4 VERY POOR 24 FAIR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 87 GOOD
MAX LVORI EARLY 5 9 3 6
MAX LVORI LATE 9 2 7 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-180815-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-2) 81 (+6) 53 82
RH % (24H TREND) 100 (+12) 36 (-6) 93 46
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1850 1870
MIXING HGT(FT-AGL/MSL) 6060 6130
TRANSPORT WND (MPH) NW 9 NW 12
VENT RATE (KT-FT) 48480 61300
DISPERSION 3 4
ADI EARLY 4 VERY POOR 17 GEN POOR 4 VERY POOR 28 FAIR
ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 76 GOOD
MAX LVORI EARLY 6 9 4 5
MAX LVORI LATE 9 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-180815-
INDIANA-
INCLUDING THE CITY OF INDIANA
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-2) 84 (+6) 54 83
RH % (24H TREND) 100 (+3) 33 (-4) 94 45
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1830 1710
MIXING HGT(FT-AGL/MSL) 6010 5610
TRANSPORT WND (MPH) NW 10 NW 13
VENT RATE (KT-FT) 54090 61710
DISPERSION 4 4
ADI EARLY 3 VERY POOR 20 GEN POOR 4 VERY POOR 31 FAIR
ADI LATE 3 VERY POOR 69 GOOD 3 VERY POOR 83 GOOD
MAX LVORI EARLY 5 9 4 6
MAX LVORI LATE 9 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-180815-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-1) 82 (+6) 55 82
RH % (24H TREND) 98 (+6) 34 (-3) 90 45
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR W 5 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1750 1700
MIXING HGT(FT-AGL/MSL) 5750 5590
TRANSPORT WND (MPH) NW 12 NW 14
VENT RATE (KT-FT) 57500 67080
DISPERSION 4 4
ADI EARLY 4 VERY POOR 22 FAIR 5 VERY POOR 31 FAIR
ADI LATE 3 VERY POOR 71 GOOD 3 VERY POOR 81 GOOD
MAX LVORI EARLY 5 8 3 5
MAX LVORI LATE 7 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-180815-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-3) 85 (+3) 57 85
RH % (24H TREND) 97 (+13) 27 (-7) 87 38
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1960 1730
MIXING HGT(FT-AGL/MSL) 6430 5670
TRANSPORT WND (MPH) NW 9 NW 10
VENT RATE (KT-FT) 51440 51030
DISPERSION 3 4
ADI EARLY 3 VERY POOR 21 FAIR 4 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 60 GEN GOOD 2 VERY POOR 62 GOOD
MAX LVORI EARLY 3 7 3 6
MAX LVORI LATE 6 2 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-180815-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (-3) 86 (+4) 57 87
RH % (24H TREND) 94 (+7) 26 (-7) 87 37
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1990 2000
MIXING HGT(FT-AGL/MSL) 6520 6560
TRANSPORT WND (MPH) NW 8 NW 10
VENT RATE (KT-FT) 45640 59040
DISPERSION 3 4
ADI EARLY 3 VERY POOR 22 FAIR 3 VERY POOR 17 GEN POOR
ADI LATE 3 VERY POOR 57 GEN GOOD 3 VERY POOR 71 GOOD
MAX LVORI EARLY 3 6 3 5
MAX LVORI LATE 6 2 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-180815-
OHIO-
INCLUDING THE CITY OF WHEELING
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (-2) 86 (+4) 56 86
RH % (24H TREND) 96 (+4) 26 (-9) 88 38
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2090 2190
MIXING HGT(FT-AGL/MSL) 6860 7190
TRANSPORT WND (MPH) NW 9 NW 10
VENT RATE (KT-FT) 54880 64710
DISPERSION 4 4
ADI EARLY 3 VERY POOR 22 FAIR 3 VERY POOR 17 GEN POOR
ADI LATE 3 VERY POOR 66 GOOD 2 VERY POOR 79 GOOD
MAX LVORI EARLY 3 7 3 5
MAX LVORI LATE 6 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-180815-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (-3) 86 (+4) 56 87
RH % (24H TREND) 97 (+6) 30 (-9) 90 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 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2060 2220
MIXING HGT(FT-AGL/MSL) 6770 7280
TRANSPORT WND (MPH) NW 9 NW 10
VENT RATE (KT-FT) 54160 65520
DISPERSION 4 4
ADI EARLY 3 VERY POOR 20 GEN POOR 4 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 68 GOOD 3 VERY POOR 76 GOOD
MAX LVORI EARLY 4 7 3 5
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-180815-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (-2) 84 (+4) 56 86
RH % (24H TREND) 98 (+9) 33 (-10) 92 43
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2040 2090
MIXING HGT(FT-AGL/MSL) 6680 6850
TRANSPORT WND (MPH) NW 9 NW 9
VENT RATE (KT-FT) 53440 54800
DISPERSION 4 4
ADI EARLY 4 VERY POOR 15 GEN POOR 4 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 4 8 3 6
MAX LVORI LATE 7 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-180815-
MARION-
INCLUDING THE CITY OF FAIRMONT
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 83 (+4) 54 84
RH % (24H TREND) 100 (+13) 36 (-8) 95 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 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2080 2000
MIXING HGT(FT-AGL/MSL) 6830 6550
TRANSPORT WND (MPH) W 9 NW 9
VENT RATE (KT-FT) 54640 52400
DISPERSION 4 4
ADI EARLY 4 VERY POOR 14 GEN POOR 4 VERY POOR 17 GEN POOR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 65 GOOD
MAX LVORI EARLY 6 9 4 6
MAX LVORI LATE 9 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-180815-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-2) 83 (+5) 54 84
RH % (24H TREND) 100 (+12) 36 (-8) 95 46
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 2080 2050
MIXING HGT(FT-AGL/MSL) 6810 6720
TRANSPORT WND (MPH) W 9 NW 9
VENT RATE (KT-FT) 54480 53760
DISPERSION 4 4
ADI EARLY 4 VERY POOR 15 GEN POOR 4 VERY POOR 20 GEN POOR
ADI LATE 3 VERY POOR 62 GOOD 3 VERY POOR 66 GOOD
MAX LVORI EARLY 5 9 4 6
MAX LVORI LATE 10 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-180815-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-2) 81 (+6) 54 81
RH % (24H TREND) 100 (+13) 38 (-6) 92 46
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1820 1830
MIXING HGT(FT-AGL/MSL) 5970 5990
TRANSPORT WND (MPH) NW 9 NW 10
VENT RATE (KT-FT) 47760 53910
DISPERSION 3 4
ADI EARLY 3 VERY POOR 14 GEN POOR 4 VERY POOR 28 FAIR
ADI LATE 3 VERY POOR 60 GEN GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 6 9 4 5
MAX LVORI LATE 9 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-180815-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-2) 81 (+6) 53 83
RH % (24H TREND) 100 (+9) 37 (-9) 93 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 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1940 1940
MIXING HGT(FT-AGL/MSL) 6380 6350
TRANSPORT WND (MPH) NW 9 NW 10
VENT RATE (KT-FT) 51040 57150
DISPERSION 3 4
ADI EARLY 3 VERY POOR 17 GEN POOR 4 VERY POOR 35 FAIR
ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 70 GOOD
MAX LVORI EARLY 6 9 5 6
MAX LVORI LATE 10 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-180815-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-1) 79 (+7) 54 81
RH % (24H TREND) 100 (+4) 38 (-13) 88 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 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1840 1890
MIXING HGT(FT-AGL/MSL) 6040 6210
TRANSPORT WND (MPH) NW 10 NW 10
VENT RATE (KT-FT) 54360 55890
DISPERSION 4 4
ADI EARLY 4 VERY POOR 20 GEN POOR 4 VERY POOR 40 FAIR
ADI LATE 3 VERY POOR 65 GOOD 3 VERY POOR 69 GOOD
MAX LVORI EARLY 7 8 4 5
MAX LVORI LATE 9 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-180815-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-1) 80 (+7) 54 82
RH % (24H TREND) 100 (+6) 35 (-14) 86 40
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1870 1920
MIXING HGT(FT-AGL/MSL) 6150 6290
TRANSPORT WND (MPH) NW 9 NW 9
VENT RATE (KT-FT) 49200 50320
DISPERSION 3 3
ADI EARLY 4 VERY POOR 22 FAIR 4 VERY POOR 39 FAIR
ADI LATE 3 VERY POOR 64 GOOD 3 VERY POOR 63 GOOD
MAX LVORI EARLY 8 8 4 5
MAX LVORI LATE 9 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-180815-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
112 PM EDT WED SEP 17 2025
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (0) 76 (+10) 52 79
RH % (24H TREND) 100 (+1) 44 (-20) 81 46
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1740 1810
MIXING HGT(FT-AGL/MSL) 5710 5950
TRANSPORT WND (MPH) NW 10 NW 9
VENT RATE (KT-FT) 51390 47600
DISPERSION 4 3
ADI EARLY 5 VERY POOR 28 FAIR 5 VERY POOR 45 GEN GOOD
ADI LATE 3 VERY POOR 63 GOOD 4 VERY POOR 64 GOOD
MAX LVORI EARLY 9 6 4 4
MAX LVORI LATE 9 1 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTH WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTH WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
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