221
FNUS51 KPBZ 121708
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
108 PM EDT FRI SEP 12 2025
DISCUSSION
DRY CONDITIONS UNDER HIGH PRESSURE CONTINUE BUT LIGHT WINDS
PRECLUDE A RISE IN FIRE WEATHER POTENTIAL. MINRH VALUES CAN DIP
INTO THE UPPER 20S AND LOW 30S TODAY. A WEAK SHORT WAVE TROUGH
PASSES THIS WEEKEND BUT RAIN CHANCES REMAIN VERY LOW. DRY, WARM
AND CALM CONDITIONS LAST INTO NEXT WEEK.
OHZ039-130830-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 83 (0) 56 84
RH % (24H TREND) 100 (+3) 33 (-4) 90 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) 1970 1780
MIXING HGT(FT-AGL/MSL) 6460 5850
TRANSPORT WND (MPH) NW 9 E 7
VENT RATE (KT-FT) 51680 35100
DISPERSION 3 3
ADI EARLY 3 VERY POOR 23 FAIR 5 VERY POOR 21 FAIR
ADI LATE 3 VERY POOR 63 GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 4 7 3 5
MAX LVORI LATE 8 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-130830-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 83 (0) 56 83
RH % (24H TREND) 99 (+4) 32 (-4) 88 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) 1930 1790
MIXING HGT(FT-AGL/MSL) 6340 5860
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 50720 35160
DISPERSION 3 3
ADI EARLY 3 VERY POOR 30 FAIR 6 VERY POOR 22 FAIR
ADI LATE 3 VERY POOR 62 GOOD 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 4 7 3 5
MAX LVORI LATE 7 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-130830-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 83 (+1) 55 83
RH % (24H TREND) 99 (+4) 32 (-4) 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) 2020 1720
MIXING HGT(FT-AGL/MSL) 6610 5630
TRANSPORT WND (MPH) W 9 NE 7
VENT RATE (KT-FT) 52880 33780
DISPERSION 4 3
ADI EARLY 3 VERY POOR 33 FAIR 6 VERY POOR 22 FAIR
ADI LATE 3 VERY POOR 64 GOOD 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 4 7 3 5
MAX LVORI LATE 7 1 6 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-130830-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 83 (+1) 56 84
RH % (24H TREND) 100 (+3) 34 (-3) 90 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) 1970 1710
MIXING HGT(FT-AGL/MSL) 6460 5600
TRANSPORT WND (MPH) NW 9 E 6
VENT RATE (KT-FT) 51680 28000
DISPERSION 3 3
ADI EARLY 3 VERY POOR 17 GEN POOR 4 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 64 GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 4 8 3 5
MAX LVORI LATE 9 1 6 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-130830-
HARRISON-
INCLUDING THE CITY OF CADIZ
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (0) 83 (0) 56 84
RH % (24H TREND) 97 (+1) 31 (-3) 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) 2010 1760
MIXING HGT(FT-AGL/MSL) 6580 5790
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 52640 34740
DISPERSION 4 3
ADI EARLY 2 VERY POOR 30 FAIR 4 VERY POOR 22 FAIR
ADI LATE 2 VERY POOR 64 GOOD 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 3 6 3 4
MAX LVORI LATE 6 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-130830-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 83 (0) 57 84
RH % (24H TREND) 94 (-1) 31 (-2) 85 35
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) 2120 1740
MIXING HGT(FT-AGL/MSL) 6960 5720
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 55680 34320
DISPERSION 4 3
ADI EARLY 2 VERY POOR 34 FAIR 5 VERY POOR 19 GEN POOR
ADI LATE 2 VERY POOR 67 GOOD 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 3 6 3 4
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-130830-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 84 (+1) 57 84
RH % (24H TREND) 100 (+4) 33 (-5) 89 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) 2010 1830
MIXING HGT(FT-AGL/MSL) 6600 6010
TRANSPORT WND (MPH) NW 9 E 7
VENT RATE (KT-FT) 52800 36060
DISPERSION 4 3
ADI EARLY 2 VERY POOR 15 GEN POOR 4 VERY POOR 21 FAIR
ADI LATE 2 VERY POOR 64 GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 4 8 3 5
MAX LVORI LATE 8 1 6 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-130830-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (0) 84 (+1) 56 84
RH % (24H TREND) 100 (+4) 33 (-4) 88 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) 2040 1760
MIXING HGT(FT-AGL/MSL) 6680 5760
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 53440 34560
DISPERSION 4 3
ADI EARLY 2 VERY POOR 23 FAIR 4 VERY POOR 19 GEN POOR
ADI LATE 2 VERY POOR 64 GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 4 7 3 5
MAX LVORI LATE 7 1 6 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-130830-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 84 (+1) 58 84
RH % (24H TREND) 93 (-3) 32 (-3) 86 36
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 1850
MIXING HGT(FT-AGL/MSL) 6910 6050
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 55280 36300
DISPERSION 4 3
ADI EARLY 2 VERY POOR 32 FAIR 4 VERY POOR 21 FAIR
ADI LATE 2 VERY POOR 67 GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-130830-
NOBLE-
INCLUDING THE CITY OF CALDWELL
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 84 (+1) 57 84
RH % (24H TREND) 99 (+6) 33 (-3) 88 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) 2080 1820
MIXING HGT(FT-AGL/MSL) 6820 5990
TRANSPORT WND (MPH) W 8 E 7
VENT RATE (KT-FT) 47740 35940
DISPERSION 4 3
ADI EARLY 2 VERY POOR 20 GEN POOR 4 VERY POOR 20 GEN POOR
ADI LATE 2 VERY POOR 65 GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 4 6 3 5
MAX LVORI LATE 7 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-130830-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (0) 84 (+1) 58 84
RH % (24H TREND) 96 (+3) 33 (-3) 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) 2080 1830
MIXING HGT(FT-AGL/MSL) 6810 5990
TRANSPORT WND (MPH) W 8 SE 6
VENT RATE (KT-FT) 47670 29950
DISPERSION 4 3
ADI EARLY 2 VERY POOR 15 GEN POOR 4 VERY POOR 18 GEN POOR
ADI LATE 2 VERY POOR 65 GOOD 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 4 6 3 5
MAX LVORI LATE 7 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-130830-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY 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) 82 (+1) 53 81
RH % (24H TREND) 99 (-1) 37 (-4) 94 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) 1790 1790
MIXING HGT(FT-AGL/MSL) 5880 5860
TRANSPORT WND (MPH) NW 8 N 8
VENT RATE (KT-FT) 41160 41020
DISPERSION 3 3
ADI EARLY 4 VERY POOR 19 GEN POOR 5 VERY POOR 23 FAIR
ADI LATE 3 VERY POOR 55 GEN GOOD 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 5 7 4 6
MAX LVORI LATE 8 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-130830-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY 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) 81 (+1) 53 80
RH % (24H TREND) 100 (+2) 39 (-2) 98 48
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1880 1810
MIXING HGT(FT-AGL/MSL) 6180 5940
TRANSPORT WND (MPH) W 9 N 9
VENT RATE (KT-FT) 49440 47520
DISPERSION 3 3
ADI EARLY 3 VERY POOR 26 FAIR 3 VERY POOR 28 FAIR
ADI LATE 3 VERY POOR 61 GOOD 2 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 7 4 6
MAX LVORI LATE 8 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-130830-
FOREST-
INCLUDING THE CITY OF TIONESTA
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (0) 80 (0) 52 80
RH % (24H TREND) 97 (+4) 37 (0) 96 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) 1900 1840
MIXING HGT(FT-AGL/MSL) 6230 6030
TRANSPORT WND (MPH) W 9 N 8
VENT RATE (KT-FT) 49840 42210
DISPERSION 3 3
ADI EARLY 3 VERY POOR 30 FAIR 4 VERY POOR 27 FAIR
ADI LATE 3 VERY POOR 62 GOOD 2 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 6 2 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-130830-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (+1) 83 (0) 53 83
RH % (24H TREND) 100 (0) 33 (-4) 95 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) 2060 1770
MIXING HGT(FT-AGL/MSL) 6740 5820
TRANSPORT WND (MPH) W 9 N 8
VENT RATE (KT-FT) 53920 40740
DISPERSION 4 3
ADI EARLY 3 VERY POOR 23 FAIR 5 VERY POOR 23 FAIR
ADI LATE 3 VERY POOR 65 GOOD 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 5 8 4 6
MAX LVORI LATE 8 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-130830-
BUTLER-
INCLUDING THE CITY OF BUTLER
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 83 (+1) 54 83
RH % (24H TREND) 100 (+1) 36 (-3) 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) 2020 1880
MIXING HGT(FT-AGL/MSL) 6630 6150
TRANSPORT WND (MPH) W 9 N 8
VENT RATE (KT-FT) 53040 43050
DISPERSION 4 3
ADI EARLY 3 VERY POOR 26 FAIR 3 VERY POOR 27 FAIR
ADI LATE 3 VERY POOR 65 GOOD 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 8 4 6
MAX LVORI LATE 8 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-130830-
CLARION-
INCLUDING THE CITY OF CLARION
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY PCLDY 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) 81 (0) 53 81
RH % (24H TREND) 100 (+9) 37 (0) 94 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) 1950 1860
MIXING HGT(FT-AGL/MSL) 6400 6110
TRANSPORT WND (MPH) W 9 NW 8
VENT RATE (KT-FT) 51200 42770
DISPERSION 3 3
ADI EARLY 2 VERY POOR 22 FAIR 3 VERY POOR 25 FAIR
ADI LATE 3 VERY POOR 63 GOOD 2 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 6 4 6
MAX LVORI LATE 7 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-130830-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 80 (0) 53 80
RH % (24H TREND) 94 (+8) 35 (-1) 90 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) 1990 1800
MIXING HGT(FT-AGL/MSL) 6520 5900
TRANSPORT WND (MPH) W 10 NW 8
VENT RATE (KT-FT) 58680 41300
DISPERSION 4 3
ADI EARLY 2 VERY POOR 32 FAIR 5 VERY POOR 27 FAIR
ADI LATE 3 VERY POOR 73 GOOD 2 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 6 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-130830-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (0) 83 (0) 55 83
RH % (24H TREND) 98 (+4) 31 (-4) 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) 2130 1650
MIXING HGT(FT-AGL/MSL) 6990 5420
TRANSPORT WND (MPH) W 9 N 8
VENT RATE (KT-FT) 55920 37940
DISPERSION 4 3
ADI EARLY 2 VERY POOR 27 FAIR 4 VERY POOR 23 FAIR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 3 6 3 5
MAX LVORI LATE 6 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-130830-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-1) 84 (+1) 56 83
RH % (24H TREND) 99 (+7) 32 (-4) 92 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) 2210 1820
MIXING HGT(FT-AGL/MSL) 7240 5980
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 57920 35880
DISPERSION 4 3
ADI EARLY 3 VERY POOR 21 FAIR 4 VERY POOR 22 FAIR
ADI LATE 3 VERY POOR 69 GOOD 3 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 3 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.
PAZ022-130830-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 83 (+1) 54 83
RH % (24H TREND) 100 (+6) 36 (-2) 95 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) 2050 1870
MIXING HGT(FT-AGL/MSL) 6730 6140
TRANSPORT WND (MPH) W 9 NW 8
VENT RATE (KT-FT) 53840 42980
DISPERSION 4 3
ADI EARLY 2 VERY POOR 17 GEN POOR 3 VERY POOR 24 FAIR
ADI LATE 3 VERY POOR 65 GOOD 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 4 7 4 6
MAX LVORI LATE 8 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-130830-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 83 (0) 57 83
RH % (24H TREND) 98 (+2) 32 (-3) 89 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) 2250 1740
MIXING HGT(FT-AGL/MSL) 7370 5710
TRANSPORT WND (MPH) W 9 NE 7
VENT RATE (KT-FT) 58960 34260
DISPERSION 4 3
ADI EARLY 3 VERY POOR 33 FAIR 5 VERY POOR 23 FAIR
ADI LATE 3 VERY POOR 69 GOOD 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 3 6 3 5
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-130830-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 83 (+1) 57 83
RH % (24H TREND) 97 (-2) 34 (-4) 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) 2270 1800
MIXING HGT(FT-AGL/MSL) 7450 5900
TRANSPORT WND (MPH) W 9 NE 7
VENT RATE (KT-FT) 59600 35400
DISPERSION 4 3
ADI EARLY 2 VERY POOR 22 FAIR 5 VERY POOR 21 FAIR
ADI LATE 3 VERY POOR 68 GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 4 6 3 5
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-130830-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 83 (+1) 55 82
RH % (24H TREND) 99 (+1) 34 (-5) 94 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) 2120 1720
MIXING HGT(FT-AGL/MSL) 6960 5660
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 55680 33960
DISPERSION 4 3
ADI EARLY 3 VERY POOR 19 GEN POOR 4 VERY POOR 21 FAIR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 4 6 3 6
MAX LVORI LATE 7 1 6 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-130830-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 83 (+3) 55 81
RH % (24H TREND) 86 (+1) 34 (-3) 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) 2070 1710
MIXING HGT(FT-AGL/MSL) 6790 5620
TRANSPORT WND (MPH) W 9 NW 7
VENT RATE (KT-FT) 54320 33720
DISPERSION 4 3
ADI EARLY 3 VERY POOR 32 FAIR 3 VERY POOR 24 FAIR
ADI LATE 4 VERY POOR 64 GOOD 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-130830-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 83 (+1) 56 83
RH % (24H TREND) 95 (-2) 33 (-5) 91 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) 2220 1730
MIXING HGT(FT-AGL/MSL) 7290 5680
TRANSPORT WND (MPH) W 9 N 7
VENT RATE (KT-FT) 58320 34080
DISPERSION 4 3
ADI EARLY 3 VERY POOR 23 FAIR 4 VERY POOR 21 FAIR
ADI LATE 3 VERY POOR 66 GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 4 5 3 5
MAX LVORI LATE 6 1 6 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-130830-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 81 (+2) 54 81
RH % (24H TREND) 89 (0) 35 (-4) 90 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) 1980 1560
MIXING HGT(FT-AGL/MSL) 6490 5100
TRANSPORT WND (MPH) W 8 N 7
VENT RATE (KT-FT) 45430 30600
DISPERSION 3 3
ADI EARLY 3 VERY POOR 26 FAIR 3 VERY POOR 25 FAIR
ADI LATE 4 VERY POOR 58 GEN GOOD 3 VERY POOR 38 FAIR
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-130830-
INDIANA-
INCLUDING THE CITY OF INDIANA
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 82 (+1) 55 82
RH % (24H TREND) 95 (+7) 37 (-1) 93 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) 2050 1870
MIXING HGT(FT-AGL/MSL) 6740 6140
TRANSPORT WND (MPH) W 9 NW 8
VENT RATE (KT-FT) 53920 42980
DISPERSION 4 3
ADI EARLY 2 VERY POOR 23 FAIR 4 VERY POOR 24 FAIR
ADI LATE 3 VERY POOR 67 GOOD 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 3 5 3 6
MAX LVORI LATE 6 1 6 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-130830-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 81 (+1) 56 81
RH % (24H TREND) 87 (+5) 35 (-3) 87 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) 2050 1870
MIXING HGT(FT-AGL/MSL) 6720 6150
TRANSPORT WND (MPH) W 9 NW 8
VENT RATE (KT-FT) 53760 43050
DISPERSION 4 3
ADI EARLY 3 VERY POOR 31 FAIR 4 VERY POOR 25 FAIR
ADI LATE 4 VERY POOR 65 GOOD 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-130830-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 83 (0) 57 84
RH % (24H TREND) 94 (+1) 30 (-3) 85 36
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) 2160 1670
MIXING HGT(FT-AGL/MSL) 7080 5470
TRANSPORT WND (MPH) W 9 NE 7
VENT RATE (KT-FT) 56640 32820
DISPERSION 4 3
ADI EARLY 2 VERY POOR 30 FAIR 5 VERY POOR 22 FAIR
ADI LATE 3 VERY POOR 68 GOOD 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 3 6 3 4
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-130830-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 85 (+2) 58 84
RH % (24H TREND) 92 (-3) 30 (-2) 85 35
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) 2220 1820
MIXING HGT(FT-AGL/MSL) 7300 5970
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 58400 35820
DISPERSION 4 3
ADI EARLY 2 VERY POOR 31 FAIR 5 VERY POOR 22 FAIR
ADI LATE 3 VERY POOR 70 GOOD 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 6 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-130830-
OHIO-
INCLUDING THE CITY OF WHEELING
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 84 (+1) 58 84
RH % (24H TREND) 93 (-4) 31 (-3) 86 35
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) 2160 1840
MIXING HGT(FT-AGL/MSL) 7090 6030
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 56720 36180
DISPERSION 4 3
ADI EARLY 2 VERY POOR 29 FAIR 5 VERY POOR 24 FAIR
ADI LATE 3 VERY POOR 69 GOOD 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 3 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.
WVZ004-130830-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 85 (+2) 58 84
RH % (24H TREND) 94 (-2) 33 (-5) 86 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) 2150 1850
MIXING HGT(FT-AGL/MSL) 7040 6070
TRANSPORT WND (MPH) W 9 E 7
VENT RATE (KT-FT) 56320 36420
DISPERSION 4 3
ADI EARLY 2 VERY POOR 21 FAIR 4 VERY POOR 21 FAIR
ADI LATE 3 VERY POOR 68 GOOD 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-130830-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 82 (0) 58 83
RH % (24H TREND) 97 (+3) 35 (-6) 87 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) 2110 1890
MIXING HGT(FT-AGL/MSL) 6910 6200
TRANSPORT WND (MPH) W 8 E 7
VENT RATE (KT-FT) 48370 37200
DISPERSION 4 3
ADI EARLY 2 VERY POOR 16 GEN POOR 3 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 59 GEN GOOD 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 4 6 3 4
MAX LVORI LATE 6 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-130830-
MARION-
INCLUDING THE CITY OF FAIRMONT
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 82 (+1) 57 84
RH % (24H TREND) 99 (+5) 37 (-4) 91 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) 2190 1900
MIXING HGT(FT-AGL/MSL) 7170 6220
TRANSPORT WND (MPH) W 8 E 8
VENT RATE (KT-FT) 50190 43540
DISPERSION 4 3
ADI EARLY 3 VERY POOR 17 GEN POOR 3 VERY POOR 18 GEN POOR
ADI LATE 3 VERY POOR 60 GEN GOOD 3 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 6 3 5
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-130830-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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) 82 (+1) 57 82
RH % (24H TREND) 95 (-2) 37 (-4) 91 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) 2180 1770
MIXING HGT(FT-AGL/MSL) 7140 5800
TRANSPORT WND (MPH) W 8 NE 7
VENT RATE (KT-FT) 49980 34800
DISPERSION 4 3
ADI EARLY 3 VERY POOR 20 GEN POOR 3 VERY POOR 19 GEN POOR
ADI LATE 4 VERY POOR 60 GEN GOOD 3 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 4 5 3 5
MAX LVORI LATE 6 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-130830-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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 (+1) 56 79
RH % (24H TREND) 89 (0) 37 (-4) 90 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) 1850 1490
MIXING HGT(FT-AGL/MSL) 6080 4900
TRANSPORT WND (MPH) W 7 N 7
VENT RATE (KT-FT) 36480 29400
DISPERSION 3 3
ADI EARLY 3 VERY POOR 20 GEN POOR 3 VERY POOR 19 GEN POOR
ADI LATE 4 VERY POOR 46 GEN GOOD 3 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-130830-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY 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 (+2) 56 80
RH % (24H TREND) 90 (-4) 37 (-3) 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) 1910 1570
MIXING HGT(FT-AGL/MSL) 6270 5160
TRANSPORT WND (MPH) W 7 NE 8
VENT RATE (KT-FT) 37620 36120
DISPERSION 3 3
ADI EARLY 3 VERY POOR 23 FAIR 2 VERY POOR 21 FAIR
ADI LATE 4 VERY POOR 46 GEN GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 4 4 4 5
MAX LVORI LATE 5 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-130830-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (+1) 79 (+1) 56 80
RH % (24H TREND) 87 (-1) 37 (-4) 85 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) 1840 1510
MIXING HGT(FT-AGL/MSL) 6030 4940
TRANSPORT WND (MPH) W 7 N 8
VENT RATE (KT-FT) 36180 34580
DISPERSION 3 3
ADI EARLY 3 VERY POOR 25 FAIR 3 VERY POOR 21 FAIR
ADI LATE 4 VERY POOR 44 GEN GOOD 3 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 4 4 4 4
MAX LVORI LATE 5 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-130830-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR MCLEAR PCLDY 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) 80 (+1) 55 81
RH % (24H TREND) 87 (-2) 35 (-3) 86 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) 1970 1530
MIXING HGT(FT-AGL/MSL) 6470 5020
TRANSPORT WND (MPH) W 6 NE 8
VENT RATE (KT-FT) 32350 35140
DISPERSION 3 3
ADI EARLY 3 VERY POOR 23 FAIR 2 VERY POOR 22 FAIR
ADI LATE 4 VERY POOR 41 GEN GOOD 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 4 4 4 4
MAX LVORI LATE 5 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-130830-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
108 PM EDT FRI SEP 12 2025
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER CLEAR MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0 0
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (0) 76 (+3) 53 77
RH % (24H TREND) 86 (+4) 40 (-4) 79 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) 1830 1550
MIXING HGT(FT-AGL/MSL) 6020 5100
TRANSPORT WND (MPH) W 6 N 8
VENT RATE (KT-FT) 30100 35700
DISPERSION 3 3
ADI EARLY 3 VERY POOR 24 FAIR 3 VERY POOR 36 FAIR
ADI LATE 4 VERY POOR 40 FAIR 3 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 4 4 4
MAX LVORI LATE 5 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. SOUTHEAST WINDS AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. SOUTHWEST WINDS AROUND 5 MPH.
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