084
FNUS51 KPBZ 120525
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
125 AM EDT TUE MAY 12 2026
DISCUSSION
RESIDUAL DRY AIR WITHIN THE BOUNDARY LAYER PLUS FURTHER HEATING
TODAY WILL KEEP MINIMUM HUMIDITY VALUES IN THE 30S WITH POTENTIAL
FOR LOCALIZED SPOTS ALONG THE OHIO RIVER TOUCHING THE UPPER 20S.
FIRE WEATHER CONCERNS ARE MITIGATED BY LIGHT WIND THAT WILL SEE
LARGE VEERING THROUGH THE DAY.
SHOWERS OVERNIGHT INTO WEDNESDAY MORNING PLUS LOWER PROBABILITY
THUNDERSTORMS WEDNESDAY AFTERNOON IS LIKELY AHEAD OF A DEEPENING
UPPER LEVEL TROUGH. LOOK FOR TEMPERATURE TO FALL WELL BELOW
SEASONAL AVERAGES BY THURSDAY.
OHZ039-122015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 80 90
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 69 (+7) 54 (+18) 67
RH % (24H TREND) 34 (+1) 88 (+1) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G21
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G22 W 13 G21
PRECIP AMOUNT 0.00 0.10 0.17
PRECIP DURATION 2 8
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1560 1390
MIXING HGT(FT-AGL/MSL)5120 4560
TRANSPORT WND (MPH) SW 9 W 21
VENT RATE (KT-FT) 40960 82080
CATEGORY DAY 3 4
INVERSION 46F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 30 FAIR 9 POOR 47 GEN GOOD
MAX ADI LATE 62 GOOD 15 GEN POOR 59 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-122015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 70 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 67 (+6) 53 (+18) 66
RH % (24H TREND) 33 (-1) 86 (-1) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G21
WIND 20FT/LATE(MPH) LGT/VAR S 10 G21 W 13 G21
PRECIP AMOUNT 0.00 0.09 0.22
PRECIP DURATION 2 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1550 1160
MIXING HGT(FT-AGL/MSL)5070 3810
TRANSPORT WND (MPH) SW 9 W 20
VENT RATE (KT-FT) 40560 64770
CATEGORY DAY 3 4
INVERSION 46F/9AM 7PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 31 FAIR 10 POOR 47 GEN GOOD
MAX ADI LATE 56 GEN GOOD 16 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-122015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 70 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 67 (+7) 53 (+19) 66
RH % (24H TREND) 32 (0) 87 (-2) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G21
WIND 20FT/LATE(MPH) LGT/VAR S 10 G21 W 12 G20
PRECIP AMOUNT 0.00 0.08 0.24
PRECIP DURATION 2 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1550 1120
MIXING HGT(FT-AGL/MSL)5080 3690
TRANSPORT WND (MPH) SW 8 W 20
VENT RATE (KT-FT) 35560 62730
CATEGORY DAY 3 4
INVERSION 45F/9AM 7PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 29 FAIR 9 POOR 48 GEN GOOD
MAX ADI LATE 55 GEN GOOD 16 GEN POOR 53 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-122015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 80 90
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 68 (+5) 54 (+17) 67
RH % (24H TREND) 36 (+5) 90 (+3) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G20
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G20 W 11 G21
PRECIP AMOUNT 0.00 0.11 0.14
PRECIP DURATION 3 7
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1550 1570
MIXING HGT(FT-AGL/MSL)5070 5150
TRANSPORT WND (MPH) SW 9 W 22
VENT RATE (KT-FT) 40560 97850
CATEGORY DAY 3 4
INVERSION 46F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 27 FAIR 8 POOR 48 GEN GOOD
MAX ADI LATE 63 GOOD 15 GEN POOR 66 GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-122015-
HARRISON-
INCLUDING THE CITY OF CADIZ
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 90
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+6) 53 (+17) 67
RH % (24H TREND) 31 (+1) 86 (-1) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G22
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 12 G22
PRECIP AMOUNT 0.00 0.07 0.23
PRECIP DURATION 1 7
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1620 1210
MIXING HGT(FT-AGL/MSL)5330 3980
TRANSPORT WND (MPH) SW 9 SW 22
VENT RATE (KT-FT) 42640 75620
CATEGORY DAY 3 4
INVERSION 47F/9AM 8PM 57F/5AM
DISPERSION 3 4
MAX ADI EARLY 29 FAIR 8 POOR 39 FAIR
MAX ADI LATE 67 GOOD 15 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-122015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+7) 54 (+18) 66
RH % (24H TREND) 30 (0) 85 (0) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G22
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 12 G22
PRECIP AMOUNT 0.00 0.05 0.25
PRECIP DURATION 1 8
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1650 1120
MIXING HGT(FT-AGL/MSL)5420 3680
TRANSPORT WND (MPH) SW 10 SW 22
VENT RATE (KT-FT) 48780 69920
CATEGORY DAY 4 4
INVERSION 46F/9AM 8PM 57F/5AM
DISPERSION 4 4
MAX ADI EARLY 35 FAIR 7 POOR 38 FAIR
MAX ADI LATE 68 GOOD 15 GEN POOR 58 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-122015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 70 90
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 70 (+5) 54 (+16) 69
RH % (24H TREND) 32 (+3) 88 (+1) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G20
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G19 W 12 G22
PRECIP AMOUNT 0.00 0.09 0.15
PRECIP DURATION 2 7
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1610 1650
MIXING HGT(FT-AGL/MSL)5270 5430
TRANSPORT WND (MPH) SW 9 W 23
VENT RATE (KT-FT) 42160 108600
CATEGORY DAY 3 5
INVERSION 47F/9AM 8PM 57F/8AM
DISPERSION 3 5
MAX ADI EARLY 25 FAIR 8 POOR 46 GEN GOOD
MAX ADI LATE 62 GOOD 14 GEN POOR 70 GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-122015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 90
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (+6) 54 (+16) 68
RH % (24H TREND) 32 (+3) 88 (+1) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G21
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G19 SW 11 G21
PRECIP AMOUNT 0.00 0.07 0.19
PRECIP DURATION 1 8
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1610 1370
MIXING HGT(FT-AGL/MSL)5270 4490
TRANSPORT WND (MPH) SW 9 W 22
VENT RATE (KT-FT) 42160 85310
CATEGORY DAY 3 4
INVERSION 48F/9AM 8PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 29 FAIR 7 POOR 38 FAIR
MAX ADI LATE 65 GOOD 14 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-122015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (+7) 52 (+14) 68
RH % (24H TREND) 30 (-2) 87 (-1) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G23
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 12 G23
PRECIP AMOUNT 0.00 0.05 0.22
PRECIP DURATION 0 7
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1670 1070
MIXING HGT(FT-AGL/MSL)5490 3510
TRANSPORT WND (MPH) SW 10 SW 22
VENT RATE (KT-FT) 49410 66690
CATEGORY DAY 4 4
INVERSION 48F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 33 FAIR 8 POOR 37 FAIR
MAX ADI LATE 73 GOOD 14 GEN POOR 53 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-122015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 90
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 72 (+6) 53 (+14) 69
RH % (24H TREND) 29 (+1) 88 (-2) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G21
WIND 20FT/LATE(MPH) LGT/VAR SW 7 G19 SW 11 G21
PRECIP AMOUNT 0.00 0.05 0.17
PRECIP DURATION 0 7
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1690 1060
MIXING HGT(FT-AGL/MSL)5530 3470
TRANSPORT WND (MPH) SW 10 W 21
VENT RATE (KT-FT) 49770 62460
CATEGORY DAY 4 4
INVERSION 48F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 33 FAIR 7 POOR 35 FAIR
MAX ADI LATE 70 GOOD 13 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 4 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-122015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 72 (+6) 53 (+13) 69
RH % (24H TREND) 28 (-3) 86 (-2) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G22
WIND 20FT/LATE(MPH) LGT/VAR S 7 G19 SW 10 G23
PRECIP AMOUNT 0.00 0.00 0.22
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1740 1000
MIXING HGT(FT-AGL/MSL)5720 3270
TRANSPORT WND (MPH) W 12 W 21
VENT RATE (KT-FT) 57200 58860
CATEGORY DAY 4 4
INVERSION 49F/9AM 8PM 57F/9AM
DISPERSION 4 4
MAX ADI EARLY 35 FAIR 7 POOR 43 GEN GOOD
MAX ADI LATE 80 GOOD 13 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-122015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 80 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 65 (+5) 51 (+19) 64
RH % (24H TREND) 36 (+2) 91 (-8) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G19
WIND 20FT/LATE(MPH) LGT/VAR S 9 G19 W 11 G19
PRECIP AMOUNT 0.00 0.15 0.35
PRECIP DURATION 3 8
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1430 1150
MIXING HGT(FT-AGL/MSL)4710 3780
TRANSPORT WND (MPH) SW 9 W 21
VENT RATE (KT-FT) 37680 68040
CATEGORY DAY 3 4
INVERSION 44F/9AM 7PM 55F/8AM
DISPERSION 3 4
MAX ADI EARLY 24 FAIR 9 POOR 52 GEN GOOD
MAX ADI LATE 54 GEN GOOD 14 GEN POOR 55 GEN GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-122015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 80 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 64 (+6) 49 (+18) 63
RH % (24H TREND) 34 (-1) 93 (-6) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G19
WIND 20FT/LATE(MPH) LGT/VAR S 7 G18 SW 9 G18
PRECIP AMOUNT 0.00 0.12 0.39
PRECIP DURATION 3 8
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1570 1140
MIXING HGT(FT-AGL/MSL)5160 3740
TRANSPORT WND (MPH) SW 10 W 21
VENT RATE (KT-FT) 46440 67320
CATEGORY DAY 3 4
INVERSION 44F/9AM 7PM 53F/8AM
DISPERSION 3 4
MAX ADI EARLY 31 FAIR 7 POOR 41 GEN GOOD
MAX ADI LATE 68 GOOD 12 POOR 67 GOOD
MAX LVORI EARLY 6 3 5
MAX LVORI LATE 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-122015-
FOREST-
INCLUDING THE CITY OF TIONESTA
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 70 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 63 (+6) 47 (+17) 62
RH % (24H TREND) 30 (-4) 91 (-5) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G20
WIND 20FT/LATE(MPH) LGT/VAR S 5 G18 SW 7 G19
PRECIP AMOUNT 0.00 0.09 0.36
PRECIP DURATION 2 8
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1600 1110
MIXING HGT(FT-AGL/MSL)5240 3640
TRANSPORT WND (MPH) SW 10 SW 20
VENT RATE (KT-FT) 47160 61880
CATEGORY DAY 4 4
INVERSION 44F/9AM 7PM 52F/8AM
DISPERSION 4 4
MAX ADI EARLY 32 FAIR 6 VERY POOR 33 FAIR
MAX ADI LATE 72 GOOD 12 POOR 68 GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-122015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 70 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 67 (+6) 52 (+20) 66
RH % (24H TREND) 33 (0) 89 (-7) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G19
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 W 11 G18
PRECIP AMOUNT 0.00 0.09 0.32
PRECIP DURATION 2 8
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1510 1140
MIXING HGT(FT-AGL/MSL)4960 3750
TRANSPORT WND (MPH) SW 9 W 21
VENT RATE (KT-FT) 39680 67500
CATEGORY DAY 3 4
INVERSION 45F/9AM 7PM 56F/8AM
DISPERSION 3 4
MAX ADI EARLY 24 FAIR 7 POOR 45 GEN GOOD
MAX ADI LATE 57 GEN GOOD 14 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-122015-
BUTLER-
INCLUDING THE CITY OF BUTLER
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 67 (+7) 50 (+19) 65
RH % (24H TREND) 35 (-2) 90 (-9) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G19
WIND 20FT/LATE(MPH) LGT/VAR S 7 G17 SW 11 G20
PRECIP AMOUNT 0.00 0.06 0.36
PRECIP DURATION 1 9
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1610 960
MIXING HGT(FT-AGL/MSL)5280 3160
TRANSPORT WND (MPH) SW 9 W 18
VENT RATE (KT-FT) 42240 50560
CATEGORY DAY 3 3
INVERSION 45F/9AM 7PM 55F/8AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 6 VERY POOR 37 FAIR
MAX ADI LATE 62 GOOD 12 POOR 49 GEN GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-122015-
CLARION-
INCLUDING THE CITY OF CLARION
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 70 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 64 (+5) 49 (+19) 64
RH % (24H TREND) 33 (-5) 89 (-10) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G20
WIND 20FT/LATE(MPH) LGT/VAR S 6 G18 SW 9 G20
PRECIP AMOUNT 0.00 0.06 0.39
PRECIP DURATION 2 8
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1580 920
MIXING HGT(FT-AGL/MSL)5190 3030
TRANSPORT WND (MPH) SW 9 W 18
VENT RATE (KT-FT) 41520 48480
CATEGORY DAY 3 3
INVERSION 44F/9AM 7PM 53F/8AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 5 VERY POOR 35 FAIR
MAX ADI LATE 71 GOOD 12 POOR 49 GEN GOOD
MAX LVORI EARLY 6 3 4
MAX LVORI LATE 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-122015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 100
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 63 (+5) 49 (+18) 63
RH % (24H TREND) 32 (+1) 84 (-10) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G21
WIND 20FT/LATE(MPH) LGT/VAR S 6 G17 SW 10 G21
PRECIP AMOUNT 0.00 0.04 0.37
PRECIP DURATION 2 8
PRECIP BEGIN 9 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1580 760
MIXING HGT(FT-AGL/MSL)5180 2490
TRANSPORT WND (MPH) W 10 SW 20
VENT RATE (KT-FT) 46620 42330
CATEGORY DAY 3 3
INVERSION 44F/9AM 7PM 53F/8AM
DISPERSION 3 3
MAX ADI EARLY 32 FAIR 6 VERY POOR 33 FAIR
MAX ADI LATE 68 GOOD 11 POOR 41 GEN GOOD
MAX LVORI EARLY 4 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-122015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 68 (+6) 54 (+19) 66
RH % (24H TREND) 30 (0) 87 (-4) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G20
WIND 20FT/LATE(MPH) LGT/VAR S 7 G19 SW 11 G20
PRECIP AMOUNT 0.00 0.05 0.28
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1690 1060
MIXING HGT(FT-AGL/MSL)5540 3470
TRANSPORT WND (MPH) SW 10 SW 20
VENT RATE (KT-FT) 49860 58990
CATEGORY DAY 4 4
INVERSION 45F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 6 VERY POOR 37 FAIR
MAX ADI LATE 69 GOOD 13 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-122015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 40 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 70 (+7) 53 (+17) 67
RH % (24H TREND) 31 (-2) 84 (-8) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 13 G21
WIND 20FT/LATE(MPH) LGT/VAR S 8 G18 SW 14 G23
PRECIP AMOUNT 0.00 0.03 0.26
PRECIP DURATION 0 7
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1770 1000
MIXING HGT(FT-AGL/MSL)5810 3290
TRANSPORT WND (MPH) SW 10 SW 22
VENT RATE (KT-FT) 52290 62510
CATEGORY DAY 4 4
INVERSION 46F/9AM 8PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 6 VERY POOR 38 FAIR
MAX ADI LATE 72 GOOD 13 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 4 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-122015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 67 (+6) 50 (+19) 66
RH % (24H TREND) 36 (0) 86 (-14) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G21
WIND 20FT/LATE(MPH) LGT/VAR S 6 G17 SW 11 G22
PRECIP AMOUNT 0.00 0.03 0.37
PRECIP DURATION 1 7
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1640 920
MIXING HGT(FT-AGL/MSL)5370 3030
TRANSPORT WND (MPH) SW 9 SW 18
VENT RATE (KT-FT) 42960 48480
CATEGORY DAY 3 3
INVERSION 45F/9AM 7PM 55F/8AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 5 VERY POOR 34 FAIR
MAX ADI LATE 65 GOOD 12 POOR 46 GEN GOOD
MAX LVORI EARLY 5 3 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-122015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+6) 53 (+16) 66
RH % (24H TREND) 31 (-2) 83 (-8) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 13 G22
WIND 20FT/LATE(MPH) LGT/VAR S 9 G19 SW 14 G22
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1770 1090
MIXING HGT(FT-AGL/MSL)5800 3590
TRANSPORT WND (MPH) W 12 SW 23
VENT RATE (KT-FT) 58000 71800
CATEGORY DAY 4 4
INVERSION 46F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 7 POOR 40 FAIR
MAX ADI LATE 80 GOOD 15 GEN POOR 59 GEN GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 2 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-122015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (+7) 53 (+15) 67
RH % (24H TREND) 30 (-4) 82 (-11) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G22
WIND 20FT/LATE(MPH) LGT/VAR S 7 G19 SW 12 G22
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1940 1110
MIXING HGT(FT-AGL/MSL)6350 3640
TRANSPORT WND (MPH) W 12 SW 22
VENT RATE (KT-FT) 63500 69160
CATEGORY DAY 4 4
INVERSION 47F/9AM 8PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 43 GEN GOOD 5 VERY POOR 46 GEN GOOD
MAX ADI LATE 93 GOOD 14 GEN POOR 57 GEN GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-122015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 68 (+5) 51 (+16) 67
RH % (24H TREND) 35 (+1) 81 (-17) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 13 G22
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 SW 15 G23
PRECIP AMOUNT 0.00 0.00 0.29
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1730 930
MIXING HGT(FT-AGL/MSL)5680 3040
TRANSPORT WND (MPH) W 12 SW 21
VENT RATE (KT-FT) 56800 54720
CATEGORY DAY 4 4
INVERSION 47F/9AM 7PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 6 VERY POOR 42 GEN GOOD
MAX ADI LATE 79 GOOD 13 GEN POOR 50 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-122015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+8) 51 (+15) 68
RH % (24H TREND) 30 (-3) 74 (-16) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G22
WIND 20FT/LATE(MPH) LGT/VAR S 5 G19 SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.23
PRECIP DURATION 7
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1720 900
MIXING HGT(FT-AGL/MSL)5640 2960
TRANSPORT WND (MPH) W 13 SW 21
VENT RATE (KT-FT) 62040 53280
CATEGORY DAY 4 4
INVERSION 47F/9AM 7PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 40 FAIR 5 VERY POOR 42 GEN GOOD
MAX ADI LATE 85 GOOD 11 POOR 50 GEN GOOD
MAX LVORI EARLY 3 3 3
MAX LVORI LATE 1 3 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-122015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 70 (+6) 52 (+14) 67
RH % (24H TREND) 31 (-4) 77 (-20) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G21
WIND 20FT/LATE(MPH) LGT/VAR S 7 G18 SW 13 G22
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 7
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1870 1030
MIXING HGT(FT-AGL/MSL)6130 3380
TRANSPORT WND (MPH) W 12 SW 20
VENT RATE (KT-FT) 61300 57460
CATEGORY DAY 4 4
INVERSION 48F/9AM 7PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 37 FAIR 5 VERY POOR 44 GEN GOOD
MAX ADI LATE 88 GOOD 14 GEN POOR 51 GEN GOOD
MAX LVORI EARLY 4 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-122015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 68 (+8) 51 (+14) 65
RH % (24H TREND) 31 (-5) 74 (-16) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G20
WIND 20FT/LATE(MPH) LGT/VAR S 5 G19 SW 10 G22
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 7
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1830 940
MIXING HGT(FT-AGL/MSL)5990 3090
TRANSPORT WND (MPH) W 13 SW 21
VENT RATE (KT-FT) 65890 55620
CATEGORY DAY 4 4
INVERSION 47F/9AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 51 GEN GOOD 5 VERY POOR 46 GEN GOOD
MAX ADI LATE 90 GOOD 11 POOR 58 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-122015-
INDIANA-
INCLUDING THE CITY OF INDIANA
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 30 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 67 (+7) 50 (+17) 66
RH % (24H TREND) 33 (-2) 81 (-18) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G22
WIND 20FT/LATE(MPH) LGT/VAR S 6 SW 12 G22
PRECIP AMOUNT 0.00 0.01 0.34
PRECIP DURATION 0 7
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1670 770
MIXING HGT(FT-AGL/MSL)5480 2520
TRANSPORT WND (MPH) W 10 SW 20
VENT RATE (KT-FT) 49320 42840
CATEGORY DAY 4 3
INVERSION 45F/9AM 7PM 55F/8AM
DISPERSION 4 3
MAX ADI EARLY 33 FAIR 5 VERY POOR 38 FAIR
MAX ADI LATE 68 GOOD 11 POOR 43 GEN GOOD
MAX LVORI EARLY 5 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-122015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 67 (+7) 51 (+17) 66
RH % (24H TREND) 31 (-1) 77 (-19) 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G22
WIND 20FT/LATE(MPH) LGT/VAR S 5 SW 12 G23
PRECIP AMOUNT 0.00 0.00 0.27
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1680 780
MIXING HGT(FT-AGL/MSL)5530 2550
TRANSPORT WND (MPH) W 12 SW 20
VENT RATE (KT-FT) 55300 43350
CATEGORY DAY 4 3
INVERSION 45F/9AM 7PM 56F/8AM
DISPERSION 4 3
MAX ADI EARLY 40 FAIR 6 VERY POOR 40 FAIR
MAX ADI LATE 77 GOOD 11 POOR 43 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-122015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 68 (+6) 55 (+20) 66
RH % (24H TREND) 30 (-2) 86 (0) 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G20
WIND 20FT/LATE(MPH) LGT/VAR S 9 G19 SW 11 G20
PRECIP AMOUNT 0.00 0.05 0.26
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1650 1090
MIXING HGT(FT-AGL/MSL)5410 3560
TRANSPORT WND (MPH) SW 10 SW 21
VENT RATE (KT-FT) 48690 64080
CATEGORY DAY 4 4
INVERSION 46F/9AM 8PM 57F/5AM
DISPERSION 4 4
MAX ADI EARLY 36 FAIR 7 POOR 38 FAIR
MAX ADI LATE 69 GOOD 14 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-122015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+6) 55 (+18) 67
RH % (24H TREND) 29 (0) 83 (-1) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G21
WIND 20FT/LATE(MPH) LGT/VAR S 9 G19 SW 12 G22
PRECIP AMOUNT 0.00 0.04 0.25
PRECIP DURATION 0 7
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1660 1110
MIXING HGT(FT-AGL/MSL)5450 3650
TRANSPORT WND (MPH) SW 12 SW 23
VENT RATE (KT-FT) 54500 73000
CATEGORY DAY 4 4
INVERSION 47F/9AM 8PM 58F/5AM
DISPERSION 4 4
MAX ADI EARLY 30 FAIR 7 POOR 37 FAIR
MAX ADI LATE 77 GOOD 14 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 3 2 3
MAX LVORI LATE 1 2 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-122015-
OHIO-
INCLUDING THE CITY OF WHEELING
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 70 (+6) 54 (+16) 67
RH % (24H TREND) 30 (+4) 85 (-2) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 12 G22
WIND 20FT/LATE(MPH) LGT/VAR S 9 G20 SW 12 G22
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1690 1080
MIXING HGT(FT-AGL/MSL)5540 3530
TRANSPORT WND (MPH) W 10 W 22
VENT RATE (KT-FT) 49860 67070
CATEGORY DAY 4 4
INVERSION 47F/9AM 8PM 57F/5AM
DISPERSION 4 4
MAX ADI EARLY 34 FAIR 7 POOR 38 FAIR
MAX ADI LATE 78 GOOD 14 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-122015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 72 (+7) 55 (+15) 68
RH % (24H TREND) 30 (-3) 85 (-2) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 11 G22
WIND 20FT/LATE(MPH) LGT/VAR S 8 G19 SW 11 G23
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1750 1070
MIXING HGT(FT-AGL/MSL)5750 3520
TRANSPORT WND (MPH) W 12 SW 22
VENT RATE (KT-FT) 57500 66880
CATEGORY DAY 4 4
INVERSION 48F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 37 FAIR 6 VERY POOR 38 FAIR
MAX ADI LATE 80 GOOD 13 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 2 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-122015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 71 (+6) 54 (+14) 67
RH % (24H TREND) 30 (-3) 82 (-6) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G21
WIND 20FT/LATE(MPH) LGT/VAR S 6 G18 SW 10 G22
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 7
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1890 1050
MIXING HGT(FT-AGL/MSL)6210 3450
TRANSPORT WND (MPH) W 13 SW 22
VENT RATE (KT-FT) 68310 65550
CATEGORY DAY 4 4
INVERSION 48F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 45 GEN GOOD 5 VERY POOR 45 GEN GOOD
MAX ADI LATE 93 GOOD 13 GEN POOR 69 GOOD
MAX LVORI EARLY 3 2 4
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-122015-
MARION-
INCLUDING THE CITY OF FAIRMONT
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER CLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 50
TEMP (24H TREND) 72 (+7) 53 (+14) 67
RH % (24H TREND) 29 (-5) 80 (-13) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G20
WIND 20FT/LATE(MPH) LGT/VAR S 6 G18 SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.25
PRECIP DURATION 7
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2040 1070
MIXING HGT(FT-AGL/MSL)6680 3520
TRANSPORT WND (MPH) W 13 SW 22
VENT RATE (KT-FT) 73480 66880
CATEGORY DAY 4 4
INVERSION 49F/9AM 8PM 56F/8AM
DISPERSION 4 4
MAX ADI EARLY 60 GEN GOOD 5 VERY POOR 43 GEN GOOD
MAX ADI LATE 100 GOOD 12 POOR 57 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-122015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 71 (+6) 53 (+13) 67
RH % (24H TREND) 30 (-7) 78 (-13) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G21
WIND 20FT/LATE(MPH) LGT/VAR S 6 G18 SW 11 G22
PRECIP AMOUNT 0.00 0.00 0.24
PRECIP DURATION 7
PRECIP BEGIN 7 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 2020 1060
MIXING HGT(FT-AGL/MSL)6630 3490
TRANSPORT WND (MPH) W 13 SW 22
VENT RATE (KT-FT) 72930 66310
CATEGORY DAY 4 4
INVERSION 49F/9AM 8PM 57F/8AM
DISPERSION 4 4
MAX ADI EARLY 54 GEN GOOD 5 VERY POOR 43 GEN GOOD
MAX ADI LATE 99 GOOD 12 POOR 56 GEN GOOD
MAX LVORI EARLY 4 2 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-122015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+8) 51 (+13) 64
RH % (24H TREND) 31 (-7) 75 (-17) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G20
WIND 20FT/LATE(MPH) LGT/VAR S 6 G18 SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.26
PRECIP DURATION 7
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1910 970
MIXING HGT(FT-AGL/MSL)6260 3170
TRANSPORT WND (MPH) W 13 SW 21
VENT RATE (KT-FT) 68860 57060
CATEGORY DAY 4 4
INVERSION 48F/9AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 60 GEN GOOD 5 VERY POOR 40 FAIR
MAX ADI LATE 95 GOOD 13 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-122015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+6) 51 (+13) 65
RH % (24H TREND) 30 (-7) 74 (-22) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G19
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR SW 10 G21
PRECIP AMOUNT 0.00 0.00 0.24
PRECIP DURATION 8
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1920 870
MIXING HGT(FT-AGL/MSL)6310 2840
TRANSPORT WND (MPH) W 13 SW 21
VENT RATE (KT-FT) 69410 51120
CATEGORY DAY 4 3
INVERSION 49F/9AM 8PM 56F/8AM
DISPERSION 4 3
MAX ADI EARLY 72 GOOD 5 VERY POOR 43 GEN GOOD
MAX ADI LATE 101 VERY GOOD10 POOR 56 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-122015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 68 (+8) 50 (+13) 64
RH % (24H TREND) 32 (-7) 76 (-20) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 9 G21
WIND 20FT/LATE(MPH) W 5 S 5 G17 SW 10 G22
PRECIP AMOUNT 0.00 0.00 0.20
PRECIP DURATION 7
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1860 840
MIXING HGT(FT-AGL/MSL)6110 2750
TRANSPORT WND (MPH) W 14 SW 21
VENT RATE (KT-FT) 73320 49500
CATEGORY DAY 4 3
INVERSION 47F/9AM 8PM 55F/8AM
DISPERSION 4 3
MAX ADI EARLY 81 GOOD 6 VERY POOR 41 GEN GOOD
MAX ADI LATE 100 GOOD 13 GEN POOR 49 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-122015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 69 (+7) 50 (+13) 66
RH % (24H TREND) 31 (-7) 72 (-27) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 8 G21
WIND 20FT/LATE(MPH) W 5 LGT/VAR SW 10 G22
PRECIP AMOUNT 0.00 0.00 0.20
PRECIP DURATION 8
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1910 880
MIXING HGT(FT-AGL/MSL)6270 2870
TRANSPORT WND (MPH) W 14 SW 23
VENT RATE (KT-FT) 75240 57400
CATEGORY DAY 4 4
INVERSION 46F/9AM 8PM 55F/8AM
DISPERSION 4 4
MAX ADI EARLY 92 GOOD 6 VERY POOR 49 GEN GOOD
MAX ADI LATE 104 VERY GOOD9 POOR 59 GEN GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-122015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
125 AM EDT TUE MAY 12 2026
TODAY TONIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 100
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 66 (+9) 46 (+10) 63
RH % (24H TREND) 35 (-1) 72 (-21) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 10 G28
WIND 20FT/LATE(MPH) W 6 SW 6 G23 SW 11 G29
PRECIP AMOUNT 0.00 0.00 0.14
PRECIP DURATION 7
PRECIP BEGIN 9 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1810 1090
MIXING HGT(FT-AGL/MSL)5950 3570
TRANSPORT WND (MPH) W 16 SW 25
VENT RATE (KT-FT) 83300 78540
CATEGORY DAY 4 4
INVERSION 46F/9AM 8PM 54F/8AM
DISPERSION 4 4
MAX ADI EARLY 92 GOOD 6 VERY POOR 51 GEN GOOD
MAX ADI LATE 105 VERY GOOD15 GEN POOR 66 GOOD
MAX LVORI EARLY 4 3 3
MAX LVORI LATE 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
NORTHWEST WINDS 10 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. WARMER. LOWS IN
THE UPPER 40S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO
15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE UPPER 80S.
SOUTHWEST WINDS 10 TO 15 MPH.
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