157
FNUS51 KPBZ 120551
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1251 AM EST FRI DEC 12 2025
DISCUSSION
OVER THE NEXT TWO DAYS, LIGHT/VARIABLE WINDS AND RELATIVE HUMIDITY
GREATER THAN 50% IS EXPECTED. SNOW EXPECTED TO START SATURDAY
AFTERNOON. FIRE WEATHER IS NOT A THREAT AT THIS TIME.
OHZ039-122130-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 21 (0) 31
RH % (24H TREND) 51 (-15) 90 (+5) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 8
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1070
MIXING HGT(FT-AGL/MSL)3300 3510
TRANSPORT WND (MPH) SE 3 W 21
VENT RATE (KT-FT) 9900 63180
CATEGORY DAY 2 4
INVERSION 23F/9AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 51 GEN GOOD
MAX ADI LATE 15 GEN POOR 16 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-122130-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (+4) 20 (+1) 30
RH % (24H TREND) 53 (-11) 88 (+3) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 9
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 9 G17
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 1040
MIXING HGT(FT-AGL/MSL)3210 3410
TRANSPORT WND (MPH) SE 3 W 22
VENT RATE (KT-FT) 9630 64790
CATEGORY DAY 1 4
INVERSION 25F/10AM 6PM 25F/4AM
DISPERSION 1 4
MAX ADI EARLY 13 GEN POOR 4 VERY POOR 54 GEN GOOD
MAX ADI LATE 15 GEN POOR 15 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-122130-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (+3) 19 (0) 30
RH % (24H TREND) 55 (-6) 90 (+2) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 990 1060
MIXING HGT(FT-AGL/MSL)3240 3490
TRANSPORT WND (MPH) SE 3 W 22
VENT RATE (KT-FT) 9720 66310
CATEGORY DAY 1 4
INVERSION 25F/10AM 5PM 24F/5AM
DISPERSION 1 4
MAX ADI EARLY 9 POOR 3 VERY POOR 55 GEN GOOD
MAX ADI LATE 17 GEN POOR 14 GEN POOR 57 GEN GOOD
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-122130-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 21 (0) 31
RH % (24H TREND) 53 (-12) 93 (+7) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1050
MIXING HGT(FT-AGL/MSL)3310 3440
TRANSPORT WND (MPH) E 3 W 20
VENT RATE (KT-FT) 9930 58480
CATEGORY DAY 2 4
INVERSION 22F/6AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 49 GEN GOOD
MAX ADI LATE 15 GEN POOR 12 POOR 51 GEN GOOD
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-122130-
HARRISON-
INCLUDING THE CITY OF CADIZ
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 21 (0) 32
RH % (24H TREND) 50 (-14) 89 (+6) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G18
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 1050
MIXING HGT(FT-AGL/MSL)3230 3430
TRANSPORT WND (MPH) SE 3 W 22
VENT RATE (KT-FT) 9690 65170
CATEGORY DAY 1 4
INVERSION 21F/8AM 5PM 25F/4AM
DISPERSION 1 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 51 GEN GOOD
MAX ADI LATE 15 GEN POOR 17 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-122130-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (+3) 21 (0) 31
RH % (24H TREND) 49 (-10) 86 (+3) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1070
MIXING HGT(FT-AGL/MSL)3340 3510
TRANSPORT WND (MPH) SE 5 W 22
VENT RATE (KT-FT) 13360 66690
CATEGORY DAY 2 4
INVERSION 21F/8AM 5PM 25F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 52 GEN GOOD
MAX ADI LATE 18 GEN POOR 17 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-122130-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+4) 23 (0) 31
RH % (24H TREND) 55 (0) 93 (+10) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1020
MIXING HGT(FT-AGL/MSL)3340 3360
TRANSPORT WND (MPH) E 5 W 20
VENT RATE (KT-FT) 13360 57120
CATEGORY DAY 2 4
INVERSION 24F/6AM 5PM 27F/4AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 47 GEN GOOD
MAX ADI LATE 21 FAIR 11 POOR 50 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-122130-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+3) 22 (0) 32
RH % (24H TREND) 50 (-13) 92 (+10) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1050
MIXING HGT(FT-AGL/MSL)3340 3430
TRANSPORT WND (MPH) E 3 W 20
VENT RATE (KT-FT) 10020 58310
CATEGORY DAY 2 4
INVERSION 23F/6AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 50 GEN GOOD
MAX ADI LATE 15 GEN POOR 11 POOR 51 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-122130-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+4) 23 (+1) 33
RH % (24H TREND) 50 (-11) 90 (+10) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G18
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1000 1010
MIXING HGT(FT-AGL/MSL)3280 3310
TRANSPORT WND (MPH) SE 5 W 21
VENT RATE (KT-FT) 13120 59580
CATEGORY DAY 2 4
INVERSION 23F/6AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 53 GEN GOOD
MAX ADI LATE 15 GEN POOR 16 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-122130-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+3) 24 (+1) 33
RH % (24H TREND) 53 (-6) 93 (+12) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 990 1010
MIXING HGT(FT-AGL/MSL)3260 3320
TRANSPORT WND (MPH) E 5 W 18
VENT RATE (KT-FT) 13040 53120
CATEGORY DAY 1 4
INVERSION 25F/7AM 5PM 27F/4AM
DISPERSION 1 4
MAX ADI EARLY 19 GEN POOR 3 VERY POOR 46 GEN GOOD
MAX ADI LATE 18 GEN POOR 10 POOR 47 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-122130-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+3) 24 (0) 34
RH % (24H TREND) 52 (-8) 90 (+11) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 6 G17
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 970
MIXING HGT(FT-AGL/MSL)3210 3200
TRANSPORT WND (MPH) SE 6 W 20
VENT RATE (KT-FT) 16050 54400
CATEGORY DAY 2 4
INVERSION 25F/6AM 5PM 27F/4AM
DISPERSION 2 4
MAX ADI EARLY 17 GEN POOR 2 VERY POOR 47 GEN GOOD
MAX ADI LATE 18 GEN POOR 9 POOR 48 GEN GOOD
MAX LVORI EARLY 4 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-122130-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 29 (+2) 15 (-3) 29
RH % (24H TREND) 65 (-10) 96 (+1) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 900 1140
MIXING HGT(FT-AGL/MSL)2940 3730
TRANSPORT WND (MPH) SW 5 W 24
VENT RATE (KT-FT) 11760 78330
CATEGORY DAY 1 4
INVERSION 24F/10AM 5PM 21F/4AM
DISPERSION 1 4
MAX ADI EARLY 10 POOR 3 VERY POOR 63 GOOD
MAX ADI LATE 11 POOR 15 GEN POOR 64 GOOD
MAX LVORI EARLY 7 6 4
MAX LVORI LATE 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-122130-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (+2) 14 (-3) 29
RH % (24H TREND) 67 (-7) 98 (+2) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 930 1170
MIXING HGT(FT-AGL/MSL)3070 3830
TRANSPORT WND (MPH) W 5 W 25
VENT RATE (KT-FT) 12280 84260
CATEGORY DAY 1 4
INVERSION 20F/9AM 5PM 19F/4AM
DISPERSION 1 4
MAX ADI EARLY 17 GEN POOR 3 VERY POOR 66 GOOD
MAX ADI LATE 20 GEN POOR 10 POOR 68 GOOD
MAX LVORI EARLY 7 6 4
MAX LVORI LATE 4 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-122130-
FOREST-
INCLUDING THE CITY OF TIONESTA
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (+3) 12 (-4) 28
RH % (24H TREND) 63 (-11) 96 (+1) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 940 1200
MIXING HGT(FT-AGL/MSL)3090 3930
TRANSPORT WND (MPH) W 7 W 26
VENT RATE (KT-FT) 18540 90390
CATEGORY DAY 2 4
INVERSION 20F/9AM 5PM 20F/6AM
DISPERSION 2 4
MAX ADI EARLY 19 GEN POOR 3 VERY POOR 67 GOOD
MAX ADI LATE 21 FAIR 9 POOR 70 GOOD
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-122130-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (+3) 17 (-2) 30
RH % (24H TREND) 59 (-4) 93 (+2) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 970 1130
MIXING HGT(FT-AGL/MSL)3170 3700
TRANSPORT WND (MPH) S 3 W 22
VENT RATE (KT-FT) 9510 70300
CATEGORY DAY 1 4
INVERSION 25F/10AM 5PM 23F/5AM
DISPERSION 1 4
MAX ADI EARLY 9 POOR 3 VERY POOR 60 GEN GOOD
MAX ADI LATE 12 POOR 10 POOR 60 GEN GOOD
MAX LVORI EARLY 6 6 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-122130-
BUTLER-
INCLUDING THE CITY OF BUTLER
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 30 (+3) 15 (-3) 31
RH % (24H TREND) 61 (-6) 96 (+3) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 6
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 1080
MIXING HGT(FT-AGL/MSL)3200 3540
TRANSPORT WND (MPH) SW 3 W 22
VENT RATE (KT-FT) 9600 67260
CATEGORY DAY 1 4
INVERSION 22F/9AM 5PM 22F/5AM
DISPERSION 1 4
MAX ADI EARLY 13 GEN POOR 2 VERY POOR 58 GEN GOOD
MAX ADI LATE 13 GEN POOR 10 POOR 58 GEN GOOD
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-122130-
CLARION-
INCLUDING THE CITY OF CLARION
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 28 (+2) 14 (-4) 29
RH % (24H TREND) 65 (-6) 95 (+3) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 6
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 960 1150
MIXING HGT(FT-AGL/MSL)3150 3790
TRANSPORT WND (MPH) W 5 W 25
VENT RATE (KT-FT) 12600 83380
CATEGORY DAY 1 4
INVERSION 20F/9AM 5PM 21F/6AM
DISPERSION 1 4
MAX ADI EARLY 20 GEN POOR 3 VERY POOR 62 GOOD
MAX ADI LATE 21 FAIR 9 POOR 66 GOOD
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-122130-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 27 (+2) 13 (-5) 29
RH % (24H TREND) 64 (-3) 91 (+2) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G20
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 940 1130
MIXING HGT(FT-AGL/MSL)3070 3700
TRANSPORT WND (MPH) W 7 W 26
VENT RATE (KT-FT) 18420 85100
CATEGORY DAY 2 4
INVERSION 18F/8AM 5PM 21F/6AM
DISPERSION 2 4
MAX ADI EARLY 20 GEN POOR 2 VERY POOR 63 GOOD
MAX ADI LATE 19 GEN POOR 9 POOR 68 GOOD
MAX LVORI EARLY 5 6 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-122130-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 32 (+3) 19 (-2) 31
RH % (24H TREND) 54 (-2) 89 (+4) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G17
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1030 1110
MIXING HGT(FT-AGL/MSL)3390 3640
TRANSPORT WND (MPH) S 3 W 22
VENT RATE (KT-FT) 10170 69160
CATEGORY DAY 2 4
INVERSION 25F/10AM 5PM 24F/5AM
DISPERSION 2 4
MAX ADI EARLY 10 POOR 2 VERY POOR 54 GEN GOOD
MAX ADI LATE 14 GEN POOR 9 POOR 57 GEN GOOD
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-122130-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 32 (+3) 19 (-2) 34
RH % (24H TREND) 53 (-6) 91 (+6) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1120
MIXING HGT(FT-AGL/MSL)3320 3660
TRANSPORT WND (MPH) S 3 W 22
VENT RATE (KT-FT) 9960 69540
CATEGORY DAY 2 4
INVERSION 23F/9AM 5PM 24F/4AM
DISPERSION 2 4
MAX ADI EARLY 11 POOR 2 VERY POOR 53 GEN GOOD
MAX ADI LATE 13 GEN POOR 10 POOR 56 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-122130-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (+4) 15 (-4) 32
RH % (24H TREND) 61 (-6) 95 (+4) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G19
PRECIP AMOUNT 0.00 0.00 0.02
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1030 1110
MIXING HGT(FT-AGL/MSL)3390 3630
TRANSPORT WND (MPH) W 5 W 22
VENT RATE (KT-FT) 13560 68970
CATEGORY DAY 2 4
INVERSION 22F/9AM 5PM 23F/6AM
DISPERSION 2 4
MAX ADI EARLY 17 GEN POOR 2 VERY POOR 54 GEN GOOD
MAX ADI LATE 17 GEN POOR 8 POOR 57 GEN GOOD
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-122130-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (+4) 21 (0) 34
RH % (24H TREND) 50 (-12) 88 (+3) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1050
MIXING HGT(FT-AGL/MSL)3300 3450
TRANSPORT WND (MPH) SE 5 W 22
VENT RATE (KT-FT) 13200 65550
CATEGORY DAY 2 4
INVERSION 21F/7AM 5PM 25F/4AM
DISPERSION 2 4
MAX ADI EARLY 14 GEN POOR 2 VERY POOR 55 GEN GOOD
MAX ADI LATE 18 GEN POOR 15 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-122130-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 22 (+1) 34
RH % (24H TREND) 53 (-10) 91 (+9) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1000
MIXING HGT(FT-AGL/MSL)3360 3300
TRANSPORT WND (MPH) S 5 W 21
VENT RATE (KT-FT) 13440 59400
CATEGORY DAY 2 4
INVERSION 22F/6AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 2 VERY POOR 52 GEN GOOD
MAX ADI LATE 17 GEN POOR 10 POOR 53 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-122130-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 32 (+3) 18 (-1) 33
RH % (24H TREND) 55 (-5) 95 (+6) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 11 G19
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1080
MIXING HGT(FT-AGL/MSL)3310 3530
TRANSPORT WND (MPH) S 3 W 22
VENT RATE (KT-FT) 9930 67070
CATEGORY DAY 2 4
INVERSION 23F/9AM 5PM 24F/4AM
DISPERSION 2 4
MAX ADI EARLY 14 GEN POOR 2 VERY POOR 53 GEN GOOD
MAX ADI LATE 13 GEN POOR 13 GEN POOR 57 GEN GOOD
MAX LVORI EARLY 5 6 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-122130-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (+5) 18 (0) 33
RH % (24H TREND) 52 (-13) 91 (-1) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 10 G22
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 950 1090
MIXING HGT(FT-AGL/MSL)3100 3560
TRANSPORT WND (MPH) SW 5 W 25
VENT RATE (KT-FT) 12400 78320
CATEGORY DAY 1 4
INVERSION 22F/9AM 4PM 24F/4AM
DISPERSION 1 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 57 GEN GOOD
MAX ADI LATE 14 GEN POOR 13 GEN POOR 62 GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-122130-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 21 (+1) 34
RH % (24H TREND) 53 (-7) 93 (+7) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1050 1050
MIXING HGT(FT-AGL/MSL)3450 3450
TRANSPORT WND (MPH) S 3 W 22
VENT RATE (KT-FT) 10350 65550
CATEGORY DAY 2 4
INVERSION 21F/7AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 53 GEN GOOD
MAX ADI LATE 16 GEN POOR 10 POOR 55 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-122130-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE FRZ RAIN SNOW/FZ RA
CHANCE PRECIP (%) 0 20 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 32 (+6) 19 (+2) 33
RH % (24H TREND) 52 (-14) 98 (+6) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G19
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 0 4
PRECIP BEGIN 5 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 900 960
MIXING HGT(FT-AGL/MSL)2970 3160
TRANSPORT WND (MPH) S 5 W 23
VENT RATE (KT-FT) 11880 63200
CATEGORY DAY 1 4
INVERSION 21F/9AM 5PM 24F/4AM
DISPERSION 1 4
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 50 GEN GOOD
MAX ADI LATE 15 GEN POOR 12 POOR 53 GEN GOOD
MAX LVORI EARLY 6 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-122130-
INDIANA-
INCLUDING THE CITY OF INDIANA
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 30 (+3) 15 (-4) 32
RH % (24H TREND) 60 (-3) 93 (+4) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 10 G22
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1010 1050
MIXING HGT(FT-AGL/MSL)3300 3440
TRANSPORT WND (MPH) W 6 W 24
VENT RATE (KT-FT) 16500 72240
CATEGORY DAY 2 4
INVERSION 22F/9AM 5PM 24F/6AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 54 GEN GOOD
MAX ADI LATE 18 GEN POOR 9 POOR 59 GEN GOOD
MAX LVORI EARLY 5 6 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-122130-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 30 (+4) 16 (-3) 32
RH % (24H TREND) 57 (-8) 89 (+2) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G20
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G22
PRECIP AMOUNT 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 930 1010
MIXING HGT(FT-AGL/MSL)3060 3330
TRANSPORT WND (MPH) W 6 W 24
VENT RATE (KT-FT) 15300 69930
CATEGORY DAY 2 4
INVERSION 22F/9AM 5PM 24F/5AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 55 GEN GOOD
MAX ADI LATE 17 GEN POOR 10 POOR 61 GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-122130-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (+4) 21 (0) 31
RH % (24H TREND) 51 (-9) 85 (+4) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.03
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1050 1120
MIXING HGT(FT-AGL/MSL)3450 3680
TRANSPORT WND (MPH) SE 3 W 21
VENT RATE (KT-FT) 10350 66240
CATEGORY DAY 2 4
INVERSION 21F/8AM 5PM 25F/4AM
DISPERSION 2 4
MAX ADI EARLY 12 POOR 2 VERY POOR 52 GEN GOOD
MAX ADI LATE 18 GEN POOR 11 POOR 55 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-122130-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 70
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 22 (0) 32
RH % (24H TREND) 48 (-10) 85 (+4) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1050 1110
MIXING HGT(FT-AGL/MSL)3460 3630
TRANSPORT WND (MPH) SE 5 W 22
VENT RATE (KT-FT) 13840 68970
CATEGORY DAY 2 4
INVERSION 22F/7AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 16 GEN POOR 2 VERY POOR 54 GEN GOOD
MAX ADI LATE 19 GEN POOR 16 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-122130-
OHIO-
INCLUDING THE CITY OF WHEELING
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 23 (+1) 33
RH % (24H TREND) 49 (-6) 87 (+3) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 9 G18
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1020 1040
MIXING HGT(FT-AGL/MSL)3340 3410
TRANSPORT WND (MPH) SE 5 W 22
VENT RATE (KT-FT) 13360 64790
CATEGORY DAY 2 4
INVERSION 23F/7AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 2 VERY POOR 53 GEN GOOD
MAX ADI LATE 17 GEN POOR 16 GEN POOR 55 GEN GOOD
MAX LVORI EARLY 5 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-122130-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 35 (+4) 24 (+1) 34
RH % (24H TREND) 52 (-8) 88 (+11) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G17
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G17
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1030 1020
MIXING HGT(FT-AGL/MSL)3380 3340
TRANSPORT WND (MPH) SE 5 W 21
VENT RATE (KT-FT) 13520 60120
CATEGORY DAY 2 4
INVERSION 24F/6AM 6PM 27F/4AM
DISPERSION 2 4
MAX ADI EARLY 16 GEN POOR 2 VERY POOR 48 GEN GOOD
MAX ADI LATE 15 GEN POOR 12 POOR 50 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-122130-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 25 (+1) 33
RH % (24H TREND) 58 (-6) 90 (+12) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G17
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 960 940
MIXING HGT(FT-AGL/MSL)3150 3090
TRANSPORT WND (MPH) SE 5 W 21
VENT RATE (KT-FT) 12600 55620
CATEGORY DAY 1 4
INVERSION 25F/6AM 5PM 28F/4AM
DISPERSION 1 4
MAX ADI EARLY 17 GEN POOR 2 VERY POOR 48 GEN GOOD
MAX ADI LATE 18 GEN POOR 10 POOR 48 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-122130-
MARION-
INCLUDING THE CITY OF FAIRMONT
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+4) 24 (+1) 33
RH % (24H TREND) 59 (-6) 94 (+13) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 950 970
MIXING HGT(FT-AGL/MSL)3110 3200
TRANSPORT WND (MPH) SE 5 W 21
VENT RATE (KT-FT) 12440 57600
CATEGORY DAY 1 4
INVERSION 24F/6AM 5PM 27F/4AM
DISPERSION 1 4
MAX ADI EARLY 17 GEN POOR 2 VERY POOR 50 GEN GOOD
MAX ADI LATE 18 GEN POOR 10 POOR 50 GEN GOOD
MAX LVORI EARLY 5 6 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-122130-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 34 (+5) 23 (+1) 34
RH % (24H TREND) 56 (-7) 93 (+11) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 4
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 980 1000
MIXING HGT(FT-AGL/MSL)3230 3290
TRANSPORT WND (MPH) SE 5 W 21
VENT RATE (KT-FT) 12920 59220
CATEGORY DAY 1 4
INVERSION 23F/6AM 5PM 27F/4AM
DISPERSION 1 4
MAX ADI EARLY 18 GEN POOR 2 VERY POOR 52 GEN GOOD
MAX ADI LATE 15 GEN POOR 10 POOR 52 GEN GOOD
MAX LVORI EARLY 5 5 4
MAX LVORI LATE 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-122130-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SNOW/FZ RA
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (+5) 21 (+1) 31
RH % (24H TREND) 56 (-7) 97 (+12) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G17
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 810 780
MIXING HGT(FT-AGL/MSL)2660 2570
TRANSPORT WND (MPH) S 5 W 21
VENT RATE (KT-FT) 10640 46260
CATEGORY DAY 1 3
INVERSION 23F/9AM 5PM 26F/4AM
DISPERSION 1 3
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 46 GEN GOOD
MAX ADI LATE 15 GEN POOR 13 GEN POOR 47 GEN GOOD
MAX LVORI EARLY 6 6 5
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-122130-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE FRZ RAIN SNOW/FZ RA
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (+6) 21 (+1) 32
RH % (24H TREND) 56 (-10) 99 (+12) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 7 G17
PRECIP AMOUNT 0.00 0.00 0.05
PRECIP DURATION 0 1
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 930 920
MIXING HGT(FT-AGL/MSL)3050 3030
TRANSPORT WND (MPH) S 6 W 22
VENT RATE (KT-FT) 15250 57570
CATEGORY DAY 2 4
INVERSION 20F/6AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 50 GEN GOOD
MAX ADI LATE 17 GEN POOR 10 POOR 51 GEN GOOD
MAX LVORI EARLY 6 6 4
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-122130-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE FRZ RAIN SNOW/FZ RA
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 31 (+7) 20 (+1) 32
RH % (24H TREND) 57 (-14) 100 (+10) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 8 G19
WIND 20FT/LATE(MPH) LGT/VAR SW 5 W 8 G21
PRECIP AMOUNT 0.00 0.00 0.04
PRECIP DURATION 0 1
PRECIP BEGIN 5 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 830 820
MIXING HGT(FT-AGL/MSL)2740 2690
TRANSPORT WND (MPH) S 7 W 24
VENT RATE (KT-FT) 16440 56490
CATEGORY DAY 2 4
INVERSION 19F/8AM 5PM 26F/4AM
DISPERSION 2 4
MAX ADI EARLY 17 GEN POOR 5 VERY POOR 51 GEN GOOD
MAX ADI LATE 18 GEN POOR 16 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 6 6 4
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-122130-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE SNOW SHOWERS FRZ RAIN SNOW/FZ RA
CHANCE PRECIP (%) 20 20 50
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 33 (+7) 22 (+2) 34
RH % (24H TREND) 55 (-14) 99 (+13) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 7 G18
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR W 8 G20
PRECIP AMOUNT 0.01 0.01 0.03
PRECIP DURATION 1 0 1
PRECIP BEGIN 8 AM 5 AM CONTINUING
PRECIP END 4 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 900 880
MIXING HGT(FT-AGL/MSL)2960 2890
TRANSPORT WND (MPH) S 7 W 22
VENT RATE (KT-FT) 17760 54910
CATEGORY DAY 2 4
INVERSION 21F/6AM 5PM 27F/4AM
DISPERSION 2 4
MAX ADI EARLY 18 GEN POOR 4 VERY POOR 49 GEN GOOD
MAX ADI LATE 19 GEN POOR 12 POOR 49 GEN GOOD
MAX LVORI EARLY 5 6 4
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-122130-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1251 AM EST FRI DEC 12 2025
TODAY TONIGHT SAT
CLOUD COVER MCLDY MCLDY MCLDY
PRECIP TYPE FLURRIES FRZ RAIN SNOW/FZ RA
CHANCE PRECIP (%) 20 30 40
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 30 (+8) 19 (+2) 31
RH % (24H TREND) 63 (-13) 100 (+9) 77
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 9 G23
WIND 20FT/LATE(MPH) LGT/VAR W 6 G20 W 8 G25
PRECIP AMOUNT 0.03 0.01 0.01
PRECIP DURATION 3 0 1
PRECIP BEGIN 7 AM 12 AM CONTINUING
PRECIP END 4 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 750 780
MIXING HGT(FT-AGL/MSL)2450 2570
TRANSPORT WND (MPH) S 7 W 24
VENT RATE (KT-FT) 14700 53970
CATEGORY DAY 2 4
INVERSION 18F/6AM 4PM 25F/4AM
DISPERSION 2 4
MAX ADI EARLY 15 GEN POOR 8 POOR 52 GEN GOOD
MAX ADI LATE 18 GEN POOR 20 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 6 6 4
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
SNOW. LOWS AROUND 11. HIGHS AROUND 18. WEST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SNOW. LOWS AROUND 12.
HIGHS IN THE LOWER 20S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE LOWER 30S.
SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 40S. SOUTHWEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 40S. SOUTHWEST WINDS 10 TO 15 MPH.
LUPO
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