023
FNUS51 KPBZ 210511
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
111 AM EDT WED OCT 21 2026
DISCUSSION
SURFACE HIGH PRESSURE AND GENERAL RIDGING ALOFT WILL RESULT IN A
PERSISTENCE TYPE FORECAST FEATURING NEAR TO ABOVE NORMAL HIGH
TEMPERATURE, LARGER DIURNAL TEMPERATURE SWINGS, LIGHT WINDS AND
AFTERNOON MINIMUM HUMIDITIES TOUCHING THE 30TH PERCENT RANGE.
OHZ039-212015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-3) 34 (-4) 65
RH % (24H TREND) 37 (-1) 97 (+2) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1040 1480
MIXING HGT(FT-AGL/MSL)3400 4850
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 25050 51240
CATEGORY DAY 2 3
INVERSION 58F/12PM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 16 GEN POOR
MAX ADI LATE 28 FAIR 4 VERY POOR 63 GOOD
MAX LVORI EARLY 6 4 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-212015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 35 (-3) 64
RH % (24H TREND) 35 (-2) 95 (+1) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 970 1420
MIXING HGT(FT-AGL/MSL)3190 4650
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 22250 50500
CATEGORY DAY 2 3
INVERSION 54F/11AM 6PM 54F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 25 FAIR 4 VERY POOR 65 GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-212015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 34 (-2) 63
RH % (24H TREND) 35 (-3) 99 (+6) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 830 1380
MIXING HGT(FT-AGL/MSL)2720 4530
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 18760 51340
CATEGORY DAY 2 4
INVERSION 57F/12PM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 4 VERY POOR 18 GEN POOR
MAX ADI LATE 21 FAIR 4 VERY POOR 66 GOOD
MAX LVORI EARLY 5 5 7
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-212015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-2) 35 (-4) 65
RH % (24H TREND) 41 (+5) 93 (-4) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1080 1470
MIXING HGT(FT-AGL/MSL)3530 4840
TRANSPORT WND (MPH) N 6 N 12
VENT RATE (KT-FT) 26710 50110
CATEGORY DAY 2 3
INVERSION 59F/12PM 6PM 54F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 4 VERY POOR 14 GEN POOR
MAX ADI LATE 26 FAIR 4 VERY POOR 62 GOOD
MAX LVORI EARLY 6 5 5
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-212015-
HARRISON-
INCLUDING THE CITY OF CADIZ
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-3) 34 (-3) 64
RH % (24H TREND) 36 (+1) 98 (+4) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1020 1320
MIXING HGT(FT-AGL/MSL)3350 4320
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 23580 45590
CATEGORY DAY 2 3
INVERSION 54F/11AM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 3 VERY POOR 16 GEN POOR
MAX ADI LATE 28 FAIR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 4 6
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-212015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 33 (-4) 63
RH % (24H TREND) 34 (-1) 99 (+6) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 960 1320
MIXING HGT(FT-AGL/MSL)3130 4340
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 23030 43800
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 52F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 17 GEN POOR
MAX ADI LATE 26 FAIR 3 VERY POOR 61 GOOD
MAX LVORI EARLY 5 4 7
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-212015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-2) 36 (-4) 65
RH % (24H TREND) 42 (+7) 96 (0) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1440
MIXING HGT(FT-AGL/MSL)3520 4720
TRANSPORT WND (MPH) N 6 N 10
VENT RATE (KT-FT) 25060 44140
CATEGORY DAY 2 3
INVERSION 59F/12PM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 4 VERY POOR 14 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 7 6 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-212015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-3) 34 (-5) 65
RH % (24H TREND) 38 (+3) 97 (+1) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1370
MIXING HGT(FT-AGL/MSL)3510 4490
TRANSPORT WND (MPH) N 6 N 10
VENT RATE (KT-FT) 25790 44480
CATEGORY DAY 2 3
INVERSION 55F/11AM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 25 FAIR 3 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-212015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-3) 34 (-4) 64
RH % (24H TREND) 37 (+1) 96 (+1) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1020 1320
MIXING HGT(FT-AGL/MSL)3330 4320
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 23400 43560
CATEGORY DAY 2 3
INVERSION 59F/12PM 6PM 52F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 28 FAIR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-212015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-2) 35 (-5) 64
RH % (24H TREND) 42 (+5) 96 (+1) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1040 1440
MIXING HGT(FT-AGL/MSL)3420 4710
TRANSPORT WND (MPH) N 6 N 10
VENT RATE (KT-FT) 24280 41810
CATEGORY DAY 2 3
INVERSION 60F/12PM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 25 FAIR 3 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 6 6
MAX LVORI LATE 3 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-212015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 66 (-3) 34 (-5) 64
RH % (24H TREND) 38 (+3) 97 (+1) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1070 1370
MIXING HGT(FT-AGL/MSL)3500 4490
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 24460 40210
CATEGORY DAY 2 3
INVERSION 60F/12PM 6PM 52F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 12 POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 6 5 6
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-212015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-6) 33 (-1) 63
RH % (24H TREND) 33 (-7) 100 (+11) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 6
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 830 1420
MIXING HGT(FT-AGL/MSL)2710 4650
TRANSPORT WND (MPH) N 6 N 15
VENT RATE (KT-FT) 18910 52920
CATEGORY DAY 2 4
INVERSION 52F/11AM 6PM 54F/11AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 4 VERY POOR 19 GEN POOR
MAX ADI LATE 19 GEN POOR 4 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 4 6 8
MAX LVORI LATE 2 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-212015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 33 (-1) 63
RH % (24H TREND) 33 (-5) 98 (+7) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 860 1460
MIXING HGT(FT-AGL/MSL)2820 4780
TRANSPORT WND (MPH) N 6 N 15
VENT RATE (KT-FT) 20640 49670
CATEGORY DAY 2 4
INVERSION 51F/11AM 6PM 46F/10AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 4 VERY POOR 22 FAIR
MAX ADI LATE 20 GEN POOR 4 VERY POOR 81 GOOD
MAX LVORI EARLY 5 6 7
MAX LVORI LATE 2 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-212015-
FOREST-
INCLUDING THE CITY OF TIONESTA
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-3) 30 (-2) 62
RH % (24H TREND) 28 (-5) 98 (+6) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 870 1380
MIXING HGT(FT-AGL/MSL)2860 4540
TRANSPORT WND (MPH) N 6 N 15
VENT RATE (KT-FT) 18920 51820
CATEGORY DAY 2 4
INVERSION 51F/11AM 6PM 45F/10AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 4 VERY POOR 28 FAIR
MAX ADI LATE 24 FAIR 4 VERY POOR 79 GOOD
MAX LVORI EARLY 5 6 6
MAX LVORI LATE 2 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-212015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-5) 31 (-3) 64
RH % (24H TREND) 33 (-4) 100 (+10) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 840 1360
MIXING HGT(FT-AGL/MSL)2760 4470
TRANSPORT WND (MPH) N 6 N 14
VENT RATE (KT-FT) 18440 53100
CATEGORY DAY 2 4
INVERSION 53F/11AM 6PM 53F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 4 VERY POOR 17 GEN POOR
MAX ADI LATE 19 GEN POOR 4 VERY POOR 70 GOOD
MAX LVORI EARLY 5 6 8
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-212015-
BUTLER-
INCLUDING THE CITY OF BUTLER
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 31 (-3) 63
RH % (24H TREND) 36 (-7) 99 (+5) 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 880 1390
MIXING HGT(FT-AGL/MSL)2890 4560
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 18920 50560
CATEGORY DAY 2 4
INVERSION 52F/11AM 6PM 52F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 4 VERY POOR 20 GEN POOR
MAX ADI LATE 20 GEN POOR 4 VERY POOR 67 GOOD
MAX LVORI EARLY 6 6 7
MAX LVORI LATE 2 9 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-212015-
CLARION-
INCLUDING THE CITY OF CLARION
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 31 (-2) 63
RH % (24H TREND) 33 (-8) 99 (+7) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 850 1440
MIXING HGT(FT-AGL/MSL)2780 4720
TRANSPORT WND (MPH) N 6 N 14
VENT RATE (KT-FT) 18010 44190
CATEGORY DAY 2 4
INVERSION 51F/11AM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 4 VERY POOR 21 FAIR
MAX ADI LATE 19 GEN POOR 4 VERY POOR 76 GOOD
MAX LVORI EARLY 5 5 7
MAX LVORI LATE 2 8 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-212015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-4) 30 (-3) 61
RH % (24H TREND) 31 (-5) 100 (+9) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 850 1420
MIXING HGT(FT-AGL/MSL)2780 4660
TRANSPORT WND (MPH) N 7 N 15
VENT RATE (KT-FT) 19110 47680
CATEGORY DAY 2 4
INVERSION 51F/11AM 6PM 44F/10AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 4 VERY POOR 24 FAIR
MAX ADI LATE 22 FAIR 4 VERY POOR 79 GOOD
MAX LVORI EARLY 5 4 7
MAX LVORI LATE 2 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-212015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 33 (-3) 63
RH % (24H TREND) 36 (+1) 99 (+7) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 860 1280
MIXING HGT(FT-AGL/MSL)2820 4210
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 18440 46360
CATEGORY DAY 2 3
INVERSION 57F/12PM 6PM 52F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 20 GEN POOR 3 VERY POOR 63 GOOD
MAX LVORI EARLY 6 5 8
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-212015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 33 (-3) 63
RH % (24H TREND) 35 (-5) 100 (+8) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 870 1360
MIXING HGT(FT-AGL/MSL)2860 4460
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 22300 42280
CATEGORY DAY 2 4
INVERSION 56F/12PM 6PM 50F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 21 FAIR 3 VERY POOR 62 GOOD
MAX LVORI EARLY 6 5 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-212015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 30 (-4) 63
RH % (24H TREND) 38 (-5) 100 (+5) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 840 1400
MIXING HGT(FT-AGL/MSL)2750 4610
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 18600 42650
CATEGORY DAY 2 4
INVERSION 52F/11AM 6PM 50F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 3 VERY POOR 17 GEN POOR
MAX ADI LATE 20 GEN POOR 3 VERY POOR 68 GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-212015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-4) 32 (-4) 62
RH % (24H TREND) 35 (-5) 99 (+5) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 890 1280
MIXING HGT(FT-AGL/MSL)2920 4200
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 21890 45540
CATEGORY DAY 2 3
INVERSION 56F/12PM 6PM 50F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 12 POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 6 5 8
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-212015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-4) 33 (-3) 61
RH % (24H TREND) 36 (-5) 100 (+5) 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 970 1250
MIXING HGT(FT-AGL/MSL)3180 4100
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 23170 46230
CATEGORY DAY 2 3
INVERSION 52F/11AM 6PM 49F/11AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 3 VERY POOR 9 POOR
MAX ADI LATE 26 FAIR 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 6 8
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-212015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 31 (-4) 62
RH % (24H TREND) 38 (-6) 100 (+3) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 860 1310
MIXING HGT(FT-AGL/MSL)2810 4310
TRANSPORT WND (MPH) N 6 N 12
VENT RATE (KT-FT) 22060 41100
CATEGORY DAY 2 3
INVERSION 57F/12PM 6PM 48F/11AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 3 VERY POOR 11 POOR
MAX ADI LATE 23 FAIR 2 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 6 9
MAX LVORI LATE 2 10 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-212015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 62 (-4) 31 (-5) 61
RH % (24H TREND) 34 (-8) 100 (+13) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 850 1180
MIXING HGT(FT-AGL/MSL)2790 3870
TRANSPORT WND (MPH) N 7 N 13
VENT RATE (KT-FT) 24270 40690
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 47F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 12 POOR
MAX ADI LATE 23 FAIR 2 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 5 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-212015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-4) 32 (-4) 60
RH % (24H TREND) 38 (-6) 99 (+5) 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 860 1150
MIXING HGT(FT-AGL/MSL)2820 3790
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 20830 36600
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 48F/11AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 3 VERY POOR 9 POOR
MAX ADI LATE 24 FAIR 2 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 6 6 9
MAX LVORI LATE 2 10 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-212015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 62 (-4) 32 (-4) 58
RH % (24H TREND) 32 (-5) 100 (+10) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 870 1000
MIXING HGT(FT-AGL/MSL)2840 3290
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 16970 39960
CATEGORY DAY 2 3
INVERSION 54F/11AM 6PM 49F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 26 FAIR 2 VERY POOR 47 GEN GOOD
MAX LVORI EARLY 5 5 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-212015-
INDIANA-
INCLUDING THE CITY OF INDIANA
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-5) 30 (-5) 62
RH % (24H TREND) 38 (-2) 100 (+5) 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 840 1350
MIXING HGT(FT-AGL/MSL)2750 4440
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 19700 45260
CATEGORY DAY 2 4
INVERSION 52F/11AM 6PM 49F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 22 FAIR 3 VERY POOR 64 GOOD
MAX LVORI EARLY 6 6 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-212015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 62 (-5) 31 (-4) 60
RH % (24H TREND) 37 (-1) 100 (+10) 48
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 850 1220
MIXING HGT(FT-AGL/MSL)2790 3990
TRANSPORT WND (MPH) N 7 N 13
VENT RATE (KT-FT) 20650 44350
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 48F/11AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 24 FAIR 2 VERY POOR 61 GOOD
MAX LVORI EARLY 5 5 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-212015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 34 (-3) 63
RH % (24H TREND) 35 (-4) 99 (+8) 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 870 1330
MIXING HGT(FT-AGL/MSL)2860 4370
TRANSPORT WND (MPH) N 6 N 13
VENT RATE (KT-FT) 18760 43980
CATEGORY DAY 2 3
INVERSION 52F/11AM 6PM 52F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 24 FAIR 3 VERY POOR 65 GOOD
MAX LVORI EARLY 6 4 7
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-212015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 33 (-4) 63
RH % (24H TREND) 34 (-2) 99 (+7) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 920 1280
MIXING HGT(FT-AGL/MSL)3000 4200
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 19390 44110
CATEGORY DAY 2 3
INVERSION 57F/12PM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 15 GEN POOR
MAX ADI LATE 25 FAIR 3 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 6 4 9
MAX LVORI LATE 2 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-212015-
OHIO-
INCLUDING THE CITY OF WHEELING
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-4) 33 (-4) 63
RH % (24H TREND) 36 (+3) 97 (+3) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 930 1290
MIXING HGT(FT-AGL/MSL)3060 4240
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 19550 43440
CATEGORY DAY 2 3
INVERSION 57F/12PM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 11 POOR
MAX ADI LATE 26 FAIR 3 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 5 7
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-212015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-3) 34 (-5) 64
RH % (24H TREND) 37 (-2) 96 (0) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1000 1270
MIXING HGT(FT-AGL/MSL)3290 4180
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 22990 44940
CATEGORY DAY 2 3
INVERSION 54F/11AM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 11 POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 6 5 7
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-212015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-3) 35 (-4) 63
RH % (24H TREND) 36 (+2) 98 (+4) 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1110 1250
MIXING HGT(FT-AGL/MSL)3630 4110
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 24640 44850
CATEGORY DAY 2 3
INVERSION 55F/11AM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 3 VERY POOR 10 POOR
MAX ADI LATE 29 FAIR 3 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 6 5 8
MAX LVORI LATE 2 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-212015-
MARION-
INCLUDING THE CITY OF FAIRMONT
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-2) 33 (-5) 61
RH % (24H TREND) 35 (+1) 100 (+5) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1040 1180
MIXING HGT(FT-AGL/MSL)3430 3870
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 24460 40790
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 50F/11AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 3 VERY POOR 8 POOR
MAX ADI LATE 31 FAIR 2 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 6 6 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-212015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-3) 34 (-3) 61
RH % (24H TREND) 35 (-4) 99 (+6) 42
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 960 1170
MIXING HGT(FT-AGL/MSL)3160 3830
TRANSPORT WND (MPH) N 7 N 10
VENT RATE (KT-FT) 23900 44860
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 49F/11AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 3 VERY POOR 8 POOR
MAX ADI LATE 28 FAIR 2 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 6 5 9
MAX LVORI LATE 2 9 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-212015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 60 (-4) 33 (-4) 56
RH % (24H TREND) 36 (-3) 99 (+6) 44
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 820 970
MIXING HGT(FT-AGL/MSL)2690 3170
TRANSPORT WND (MPH) N 6 N 12
VENT RATE (KT-FT) 15860 32590
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 48F/11AM
DISPERSION 4 5
MAX ADI EARLY 8 POOR 3 VERY POOR 10 POOR
MAX ADI LATE 23 FAIR 2 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 5 9
MAX LVORI LATE 2 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-212015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 64 (-3) 32 (-4) 60
RH % (24H TREND) 32 (-2) 99 (+5) 40
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 920 970
MIXING HGT(FT-AGL/MSL)3020 3170
TRANSPORT WND (MPH) N 7 N 12
VENT RATE (KT-FT) 24640 35530
CATEGORY DAY 2 3
INVERSION 56F/11AM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 3 VERY POOR 11 POOR
MAX ADI LATE 25 FAIR 2 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 5 6 9
MAX LVORI LATE 2 8 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-212015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 63 (-4) 33 (-3) 59
RH % (24H TREND) 31 (+1) 96 (+6) 37
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 930 990
MIXING HGT(FT-AGL/MSL)3050 3240
TRANSPORT WND (MPH) N 7 N 13
VENT RATE (KT-FT) 26290 40200
CATEGORY DAY 2 3
INVERSION 54F/11AM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 26 FAIR 2 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 4 5 6
MAX LVORI LATE 2 7 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-212015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 65 (-4) 34 (-3) 61
RH % (24H TREND) 31 (+1) 94 (+3) 36
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 940 950
MIXING HGT(FT-AGL/MSL)3070 3110
TRANSPORT WND (MPH) N 7 N 13
VENT RATE (KT-FT) 26060 39260
CATEGORY DAY 2 3
INVERSION 54F/11AM 6PM 44F/10AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 30 FAIR 2 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 5 5 6
MAX LVORI LATE 2 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-212015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
111 AM EDT WED OCT 21 2026
TODAY TONIGHT THU
CLOUD COVER CLEAR CLEAR MCLEAR
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 61 (-3) 33 (-2) 57
RH % (24H TREND) 31 (+3) 84 (-1) 33
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 870 1030
MIXING HGT(FT-AGL/MSL)2870 3390
TRANSPORT WND (MPH) N 8 N 15
VENT RATE (KT-FT) 30730 48860
CATEGORY DAY 2 3
INVERSION 53F/11AM 6PM 51F/11AM
DISPERSION 5 5
MAX ADI EARLY 11 POOR 4 VERY POOR 23 FAIR
MAX ADI LATE 28 FAIR 4 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 4 4 4
MAX LVORI LATE 2 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S. NORTH WINDS AROUND 5 MPH.
SATURDAY
CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID 60S.
LIGHT WINDS.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. LIGHT WINDS.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
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