711
FNUS51 KPBZ 121732
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
132 PM EDT TUE MAY 12 2026
DISCUSSION
AFTER MINIMUM RH LEVELS IN THE UPPER 20S TO MID 30S THIS
AFTERNOON, RAIN RETURNS OVERNIGHT INTO WEDNESDAY MORNING. A
SECONDARY LINE OF SHOWERS AND POTENTIALLY THUNDERSTORMS WILL
FOLLOW DURING THE AFTERNOON, AND THEN SCATTERED SHOWERS FOR
WEDNESDAY NIGHT AND THURSDAY. WITH THE RAIN AND RESULTING INCREASE
IN RH, FIRE CONCERNS WILL BE LOW FOR THE MIDDLE TO LATE PORTION OF
THE WEEK.
OHZ039-130830-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 80 20 20
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 54 (+14) 67 (-3) 44 59
RH % (24H TREND) 84 (+9) 53 (+19) 86 48
WIND 20FT/EARLY(MPH) LGT/VAR SW 12 G22 NW 10 G22 NW 10 G21
WIND 20FT/LATE(MPH) S 8 G21 W 12 G21 W 7 NW 12 G20
PRECIP AMOUNT 0.03 0.08 0.00 0.00
PRECIP DURATION 2 5 1 1
PRECIP BEGIN 2 AM CONTINUING 10 PM CONTINUING
PRECIP END CONTINUING 5 PM CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1430 1770
MIXING HGT(FT-AGL/MSL) 4700 5800
TRANSPORT WND (MPH) W 23 NW 24
VENT RATE (KT-FT) 94000 121800
CATEGORY DAY 4 5
INVERSION 8PM 57F/6AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 7 POOR 48 GEN GOOD 30 FAIR 56 GEN GOOD
MAX ADI LATE 13 GEN POOR 72 GOOD 22 FAIR 77 GOOD
MAX LVORI EARLY 2 4 3 4
MAX LVORI LATE 3 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-130830-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 80 30 20
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 54 (+15) 66 (-3) 43 57
RH % (24H TREND) 84 (+11) 57 (+23) 88 51
WIND 20FT/EARLY(MPH) LGT/VAR SW 12 G22 NW 10 G21 NW 11 G21
WIND 20FT/LATE(MPH) SW 9 G21 W 13 G21 W 8 NW 13 G21
PRECIP AMOUNT 0.02 0.10 0.01 0.00
PRECIP DURATION 1 6 1 1
PRECIP BEGIN 2 AM CONTINUING 10 PM CONTINUING
PRECIP END CONTINUING 6 PM CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1300 1560
MIXING HGT(FT-AGL/MSL) 4260 5110
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 85200 102200
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 8 POOR 47 GEN GOOD 30 FAIR 53 GEN GOOD
MAX ADI LATE 14 GEN POOR 65 GOOD 22 FAIR 71 GOOD
MAX LVORI EARLY 2 4 3 4
MAX LVORI LATE 2 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-130830-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 80 30 30
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 53 (+15) 66 (-3) 43 56
RH % (24H TREND) 84 (+6) 58 (+24) 89 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 12 G22 NW 9 G20 NW 10 G21
WIND 20FT/LATE(MPH) S 8 G21 W 13 G21 W 7 NW 13 G21
PRECIP AMOUNT 0.03 0.10 0.00 0.00
PRECIP DURATION 1 7 2 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1220 1400
MIXING HGT(FT-AGL/MSL) 4010 4580
TRANSPORT WND (MPH) W 22 NW 23
VENT RATE (KT-FT) 76190 91600
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 7 POOR 47 GEN GOOD 29 FAIR 53 GEN GOOD
MAX ADI LATE 14 GEN POOR 60 GEN GOOD 17 GEN POOR 67 GOOD
MAX LVORI EARLY 2 4 3 4
MAX LVORI LATE 2 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-130830-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY MCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 70 70 0 10
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 55 (+15) 67 (-3) 43 59
RH % (24H TREND) 85 (+17) 51 (+16) 85 46
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G20 NW 9 G22 NW 9 G19
WIND 20FT/LATE(MPH) SW 7 G20 W 12 G21 NW 5 NW 10 G19
PRECIP AMOUNT 0.02 0.06 0.00 0.00
PRECIP DURATION 2 5 1
PRECIP BEGIN 2 AM CONTINUING 8 AM
PRECIP END CONTINUING 4 PM 2 PM
MIXING HGT(M-AGL/MSL) 1530 1900
MIXING HGT(FT-AGL/MSL) 5010 6250
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 100200 125000
CATEGORY DAY 4 5
INVERSION 8PM 56F/7AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 8 POOR 51 GEN GOOD 32 FAIR 70 GOOD
MAX ADI LATE 13 GEN POOR 100 GOOD 15 GEN POOR 109 VERY GOOD
MAX LVORI EARLY 2 4 3 4
MAX LVORI LATE 3 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-130830-
HARRISON-
INCLUDING THE CITY OF CADIZ
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 90 30 20
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 53 (+13) 68 (-3) 43 58
RH % (24H TREND) 81 (+7) 54 (+24) 87 48
WIND 20FT/EARLY(MPH) LGT/VAR SW 11 G23 NW 9 G21 NW 10 G20
WIND 20FT/LATE(MPH) S 7 G21 W 12 G23 W 7 NW 11 G21
PRECIP AMOUNT 0.01 0.10 0.01 0.00
PRECIP DURATION 1 6 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1370 1690
MIXING HGT(FT-AGL/MSL) 4500 5540
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 90000 110800
CATEGORY DAY 4 5
INVERSION 8PM 55F/8AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 7 POOR 47 GEN GOOD 30 FAIR 51 GEN GOOD
MAX ADI LATE 14 GEN POOR 65 GOOD 20 GEN POOR 72 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 2 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-130830-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 90 30 20
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 53 (+13) 67 (-3) 43 57
RH % (24H TREND) 80 (+9) 55 (+25) 86 50
WIND 20FT/EARLY(MPH) LGT/VAR SW 11 G23 NW 9 G21 NW 10 G20
WIND 20FT/LATE(MPH) S 7 G20 W 12 G23 W 7 NW 12 G21
PRECIP AMOUNT 0.00 0.09 0.01 0.00
PRECIP DURATION 1 8 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1260 1450
MIXING HGT(FT-AGL/MSL) 4120 4750
TRANSPORT WND (MPH) W 22 NW 23
VENT RATE (KT-FT) 78280 95000
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 7 POOR 51 GEN GOOD 29 FAIR 45 GEN GOOD
MAX ADI LATE 13 GEN POOR 60 GEN GOOD 19 GEN POOR 68 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 2 1 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-130830-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS NONE NONE
CHANCE PRECIP (%) 50 70 0 0
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 54 (+13) 69 (-2) 43 61
RH % (24H TREND) 82 (+12) 49 (+17) 82 44
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G20 NW 9 G23 NW 8 G18
WIND 20FT/LATE(MPH) SW 6 G19 W 12 G22 NW 5 NW 9 G18
PRECIP AMOUNT 0.01 0.07 0.00 0.00
PRECIP DURATION 1 5
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 5 PM
MIXING HGT(M-AGL/MSL) 1490 1920
MIXING HGT(FT-AGL/MSL) 4880 6300
TRANSPORT WND (MPH) W 24 NW 22
VENT RATE (KT-FT) 102480 119700
CATEGORY DAY 5 5
INVERSION 8PM 57F/8AM NONE NONE
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 48 GEN GOOD 33 FAIR 79 GOOD
MAX ADI LATE 14 GEN POOR 99 GOOD 12 POOR 141 VERY GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-130830-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS NONE NONE
CHANCE PRECIP (%) 30 80 0 0
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 53 (+12) 69 (-3) 44 60
RH % (24H TREND) 81 (+9) 50 (+19) 85 46
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G22 NW 8 G22 NW 8 G19
WIND 20FT/LATE(MPH) S 6 G20 W 11 G21 NW 5 NW 10 G19
PRECIP AMOUNT 0.00 0.07 0.00 0.00
PRECIP DURATION 1 5
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING 5 PM
MIXING HGT(M-AGL/MSL) 1470 1810
MIXING HGT(FT-AGL/MSL) 4820 5940
TRANSPORT WND (MPH) W 23 NW 23
VENT RATE (KT-FT) 96400 118800
CATEGORY DAY 4 5
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 6 VERY POOR 43 GEN GOOD 31 FAIR 59 GEN GOOD
MAX ADI LATE 13 GEN POOR 84 GOOD 10 POOR 97 GOOD
MAX LVORI EARLY 2 4 3 4
MAX LVORI LATE 2 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-130830-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 90 30 20
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 53 (+11) 69 (-3) 44 59
RH % (24H TREND) 79 (+1) 55 (+25) 87 48
WIND 20FT/EARLY(MPH) LGT/VAR SW 11 G23 NW 9 G22 NW 9 G20
WIND 20FT/LATE(MPH) S 7 G21 W 12 G23 W 7 NW 11 G21
PRECIP AMOUNT 0.00 0.09 0.01 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1280 1660
MIXING HGT(FT-AGL/MSL) 4200 5440
TRANSPORT WND (MPH) W 21 NW 23
VENT RATE (KT-FT) 75600 108800
CATEGORY DAY 4 5
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 7 POOR 47 GEN GOOD 29 FAIR 47 GEN GOOD
MAX ADI LATE 14 GEN POOR 61 GOOD 19 GEN POOR 71 GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-130830-
NOBLE-
INCLUDING THE CITY OF CALDWELL
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 0 80 0 0
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 52 (+10) 70 (-3) 43 60
RH % (24H TREND) 80 (-1) 51 (+21) 87 46
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G22 NW 8 G22 NW 8 G19
WIND 20FT/LATE(MPH) S 5 G19 W 11 G21 NW 5 NW 9 G18
PRECIP AMOUNT 0.00 0.08 0.00 0.00
PRECIP DURATION 4
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1410 1800
MIXING HGT(FT-AGL/MSL) 4630 5920
TRANSPORT WND (MPH) W 22 NW 22
VENT RATE (KT-FT) 87970 112480
CATEGORY DAY 4 5
INVERSION 8PM 57F/9AM NONE NONE
DISPERSION 4 5
MAX ADI EARLY 5 VERY POOR 42 GEN GOOD 31 FAIR 71 GOOD
MAX ADI LATE 13 GEN POOR 86 GOOD 10 POOR 93 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 3 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-130830-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 0 80 0 10
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 53 (+10) 70 (-3) 44 60
RH % (24H TREND) 78 (-5) 54 (+26) 86 48
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G23 NW 8 G22 NW 7 G20
WIND 20FT/LATE(MPH) S 5 G20 SW 10 G23 W 5 NW 9 G20
PRECIP AMOUNT 0.00 0.12 0.00 0.00
PRECIP DURATION 5 1
PRECIP BEGIN 6 AM 7 AM
PRECIP END 6 PM 2 PM
MIXING HGT(M-AGL/MSL) 1190 1620
MIXING HGT(FT-AGL/MSL) 3900 5330
TRANSPORT WND (MPH) SW 21 NW 22
VENT RATE (KT-FT) 70200 101270
CATEGORY DAY 4 5
INVERSION 8PM 57F/9AM 9PM 47F/4AM
DISPERSION 4 5
MAX ADI EARLY 5 VERY POOR 52 GEN GOOD 27 FAIR 61 GOOD
MAX ADI LATE 11 POOR 57 GEN GOOD 9 POOR 86 GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-130830-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 90 40 40
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 51 (+16) 65 (-1) 41 54
RH % (24H TREND) 89 (-2) 64 (+29) 98 64
WIND 20FT/EARLY(MPH) LGT/VAR SW 11 G20 W 8 G19 NW 10 G18
WIND 20FT/LATE(MPH) S 8 G19 W 12 G20 W 7 NW 12 G20
PRECIP AMOUNT 0.07 0.23 0.01 0.01
PRECIP DURATION 2 8 2 2
PRECIP BEGIN 9 PM CONTINUING 8 PM CONTINUING
PRECIP END CONTINUING 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1080 1140
MIXING HGT(FT-AGL/MSL) 3540 3730
TRANSPORT WND (MPH) W 22 NW 21
VENT RATE (KT-FT) 67260 67140
CATEGORY DAY 4 4
INVERSION 7PM 55F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 7 POOR 39 FAIR 28 FAIR 45 GEN GOOD
MAX ADI LATE 14 GEN POOR 55 GEN GOOD 15 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-130830-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 90 40 50
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 50 (+17) 63 (-2) 40 53
RH % (24H TREND) 91 (+3) 68 (+32) 98 71
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G20 W 7 G17 W 8 G17
WIND 20FT/LATE(MPH) S 6 G18 W 10 G20 W 6 NW 9 G18
PRECIP AMOUNT 0.05 0.26 0.01 0.01
PRECIP DURATION 1 9 2 2
PRECIP BEGIN 10 PM CONTINUING 8 PM CONTINUING
PRECIP END CONTINUING 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 980 970
MIXING HGT(FT-AGL/MSL) 3200 3190
TRANSPORT WND (MPH) W 21 NW 18
VENT RATE (KT-FT) 57600 51040
CATEGORY DAY 4 3
INVERSION 7PM 52F/8AM NONE NONE
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 42 GEN GOOD 26 FAIR 45 GEN GOOD
MAX ADI LATE 13 GEN POOR 57 GEN GOOD 10 POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 3 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-130830-
FOREST-
INCLUDING THE CITY OF TIONESTA
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 80 40 50
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 48 (+16) 62 (-2) 39 52
RH % (24H TREND) 88 (-6) 70 (+35) 96 69
WIND 20FT/EARLY(MPH) LGT/VAR S 8 G20 W 5 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G21 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.02 0.24 0.02 0.02
PRECIP DURATION 1 10 2 2
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 870 890
MIXING HGT(FT-AGL/MSL) 2850 2930
TRANSPORT WND (MPH) SW 21 NW 18
VENT RATE (KT-FT) 51300 46880
CATEGORY DAY 3 3
INVERSION 7PM 51F/8AM NONE NONE
DISPERSION 3 3
MAX ADI EARLY 5 VERY POOR 53 GEN GOOD 24 FAIR 41 GEN GOOD
MAX ADI LATE 10 POOR 60 GEN GOOD 8 POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 4 5
MAX LVORI LATE 3 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-130830-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 90 40 30
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 52 (+16) 67 (-2) 42 56
RH % (24H TREND) 86 (-5) 60 (+26) 94 57
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G20 NW 8 G18 NW 9 G18
WIND 20FT/LATE(MPH) S 6 G18 W 12 W 6 NW 11
PRECIP AMOUNT 0.03 0.19 0.01 0.00
PRECIP DURATION 1 8 2 1
PRECIP BEGIN 2 AM CONTINUING 9 PM CONTINUING
PRECIP END CONTINUING 6 PM CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1100 1160
MIXING HGT(FT-AGL/MSL) 3620 3790
TRANSPORT WND (MPH) W 21 NW 22
VENT RATE (KT-FT) 65160 72010
CATEGORY DAY 4 4
INVERSION 7PM 55F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 46 GEN GOOD 28 FAIR 49 GEN GOOD
MAX ADI LATE 13 GEN POOR 55 GEN GOOD 15 GEN POOR 58 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 3 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-130830-
BUTLER-
INCLUDING THE CITY OF BUTLER
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 90 30 30
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 50 (+15) 66 (-2) 41 55
RH % (24H TREND) 86 (0) 63 (+25) 98 65
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G20 NW 8 G17 W 9 G17
WIND 20FT/LATE(MPH) S 5 G17 SW 12 G21 W 6 NW 11 G19
PRECIP AMOUNT 0.01 0.19 0.01 0.00
PRECIP DURATION 1 9 1 2
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1060 1050
MIXING HGT(FT-AGL/MSL) 3480 3430
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 69600 61740
CATEGORY DAY 4 4
INVERSION 7PM 56F/9AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 4 VERY POOR 46 GEN GOOD 27 FAIR 44 GEN GOOD
MAX ADI LATE 12 POOR 59 GEN GOOD 15 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-130830-
CLARION-
INCLUDING THE CITY OF CLARION
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 90 30 50
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 49 (+16) 65 (-1) 41 53
RH % (24H TREND) 86 (-2) 67 (+29) 94 68
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G21 W 6 G17 W 8 G17
WIND 20FT/LATE(MPH) S 5 G17 SW 10 G21 W 5 NW 9 G18
PRECIP AMOUNT 0.01 0.23 0.01 0.01
PRECIP DURATION 1 10 1 2
PRECIP BEGIN 3 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 940 970
MIXING HGT(FT-AGL/MSL) 3090 3190
TRANSPORT WND (MPH) SW 22 NW 18
VENT RATE (KT-FT) 58710 51040
CATEGORY DAY 4 3
INVERSION 7PM 54F/9AM NONE NONE
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 48 GEN GOOD 24 FAIR 45 GEN GOOD
MAX ADI LATE 11 POOR 50 GEN GOOD 8 POOR 53 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-130830-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 50 100 60 50
CHANCE OF THUNDER (%) 0 40 20 0
TEMP (24H TREND) 50 (+17) 64 (-1) 41 52
RH % (24H TREND) 81 (-3) 62 (+25) 92 67
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G22 W 6 G17 W 8 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G23 W 5 NW 10 G19
PRECIP AMOUNT 0.00 0.23 0.04 0.02
PRECIP DURATION 1 9 2 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 860 920
MIXING HGT(FT-AGL/MSL) 2810 3030
TRANSPORT WND (MPH) SW 21 NW 17
VENT RATE (KT-FT) 50580 45450
CATEGORY DAY 3 3
INVERSION 7PM 53F/9AM 9PM 44F/4AM
DISPERSION 3 3
MAX ADI EARLY 6 VERY POOR 49 GEN GOOD 19 GEN POOR 44 GEN GOOD
MAX ADI LATE 10 POOR 51 GEN GOOD 12 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-130830-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 90 30 20
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 54 (+15) 67 (-3) 44 56
RH % (24H TREND) 81 (+4) 56 (+25) 89 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G21 NW 8 G19 NW 9 G19
WIND 20FT/LATE(MPH) S 5 G19 W 12 G21 W 5 NW 11 G19
PRECIP AMOUNT 0.01 0.12 0.01 0.00
PRECIP DURATION 1 9 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1180 1230
MIXING HGT(FT-AGL/MSL) 3880 4020
TRANSPORT WND (MPH) SW 23 NW 22
VENT RATE (KT-FT) 77600 76380
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 4 VERY POOR 48 GEN GOOD 28 FAIR 47 GEN GOOD
MAX ADI LATE 12 POOR 61 GOOD 13 GEN POOR 59 GEN GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 2 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-130830-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 100 50 20
CHANCE OF THUNDER (%) 0 40 20 0
TEMP (24H TREND) 53 (+13) 68 (-3) 44 56
RH % (24H TREND) 76 (-4) 56 (+23) 90 57
WIND 20FT/EARLY(MPH) LGT/VAR SW 12 G22 NW 9 G18 W 10 G18
WIND 20FT/LATE(MPH) S 6 G18 SW 14 G23 W 7 NW 13
PRECIP AMOUNT 0.00 0.14 0.03 0.00
PRECIP DURATION 0 6 1 1
PRECIP BEGIN 4 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1100 1140
MIXING HGT(FT-AGL/MSL) 3610 3750
TRANSPORT WND (MPH) SW 24 NW 21
VENT RATE (KT-FT) 75810 67500
CATEGORY DAY 4 4
INVERSION 8PM 57F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 7 POOR 50 GEN GOOD 24 FAIR 45 GEN GOOD
MAX ADI LATE 11 POOR 61 GOOD 15 GEN POOR 55 GEN GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 3 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-130830-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 100 60 40
CHANCE OF THUNDER (%) 0 40 20 0
TEMP (24H TREND) 50 (+14) 67 (-1) 42 54
RH % (24H TREND) 82 (-11) 64 (+25) 96 67
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G21 NW 7 G17 W 9 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G23 W 5 NW 11 G18
PRECIP AMOUNT 0.00 0.17 0.03 0.00
PRECIP DURATION 0 7 2 2
PRECIP BEGIN 4 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 940 1010
MIXING HGT(FT-AGL/MSL) 3090 3320
TRANSPORT WND (MPH) SW 21 NW 20
VENT RATE (KT-FT) 55620 56440
CATEGORY DAY 4 4
INVERSION 7PM 56F/9AM 9PM 45F/4AM
DISPERSION 4 4
MAX ADI EARLY 4 VERY POOR 49 GEN GOOD 20 GEN POOR 40 FAIR
MAX ADI LATE 11 POOR 53 GEN GOOD 10 POOR 47 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-130830-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 100 50 30
CHANCE OF THUNDER (%) 0 40 30 0
TEMP (24H TREND) 53 (+12) 67 (-4) 44 56
RH % (24H TREND) 74 (-6) 55 (+24) 87 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 13 G23 NW 9 G19 W 10 G18
WIND 20FT/LATE(MPH) S 7 G20 SW 14 G23 W 7 NW 12 G20
PRECIP AMOUNT 0.00 0.13 0.03 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1180 1290
MIXING HGT(FT-AGL/MSL) 3860 4250
TRANSPORT WND (MPH) SW 24 NW 22
VENT RATE (KT-FT) 81060 80750
CATEGORY DAY 4 4
INVERSION 8PM 57F/8AM 9PM 47F/4AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 56 GEN GOOD 24 FAIR 42 GEN GOOD
MAX ADI LATE 14 GEN POOR 64 GOOD 17 GEN POOR 62 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-130830-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 70 30
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 52 (+10) 68 (-4) 44 56
RH % (24H TREND) 72 (-12) 57 (+27) 89 57
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G23 NW 7 G18 W 8 G17
WIND 20FT/LATE(MPH) S 6 G19 SW 11 G23 LGT/VAR NW 10 G19
PRECIP AMOUNT 0.00 0.13 0.05 0.00
PRECIP DURATION 6 2 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1150 1350
MIXING HGT(FT-AGL/MSL) 3770 4440
TRANSPORT WND (MPH) SW 24 NW 22
VENT RATE (KT-FT) 79170 84360
CATEGORY DAY 4 4
INVERSION 8PM 57F/8AM 8PM 47F/4AM
DISPERSION 4 4
MAX ADI EARLY 5 VERY POOR 53 GEN GOOD 24 FAIR 49 GEN GOOD
MAX ADI LATE 13 GEN POOR 61 GOOD 9 POOR 63 GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-130830-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 90 40
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 52 (+13) 68 (-3) 43 55
RH % (24H TREND) 72 (-21) 59 (+23) 94 64
WIND 20FT/EARLY(MPH) LGT/VAR SW 13 G23 W 8 G17 W 10 G18
WIND 20FT/LATE(MPH) S 6 G19 SW 15 G24 W 6 NW 13
PRECIP AMOUNT 0.00 0.16 0.08 0.01
PRECIP DURATION 6 3 2
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1030 1030
MIXING HGT(FT-AGL/MSL) 3360 3380
TRANSPORT WND (MPH) SW 23 NW 20
VENT RATE (KT-FT) 67200 57460
CATEGORY DAY 4 4
INVERSION 7PM 58F/9AM 8PM 46F/4AM
DISPERSION 4 4
MAX ADI EARLY 7 POOR 44 GEN GOOD 23 FAIR 40 FAIR
MAX ADI LATE 12 POOR 59 GEN GOOD 12 POOR 47 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-130830-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 100 70
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 52 (+13) 68 (-1) 41 54
RH % (24H TREND) 65 (-15) 54 (+21) 94 65
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G23 W 6 G18 W 9 G20
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G23 LGT/VAR NW 11 G20
PRECIP AMOUNT 0.00 0.15 0.10 0.03
PRECIP DURATION 4 4 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1050 790
MIXING HGT(FT-AGL/MSL) 3430 2580
TRANSPORT WND (MPH) SW 24 NW 20
VENT RATE (KT-FT) 72030 43860
CATEGORY DAY 4 3
INVERSION 7PM 57F/8AM 8PM 46F/4AM
DISPERSION 4 3
MAX ADI EARLY 8 POOR 45 GEN GOOD 23 FAIR 36 FAIR
MAX ADI LATE 11 POOR 63 GOOD 10 POOR 43 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-130830-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 100 90 40
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 52 (+11) 68 (-4) 43 56
RH % (24H TREND) 67 (-18) 56 (+24) 93 62
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G22 W 6 G17 W 8
WIND 20FT/LATE(MPH) S 6 G19 SW 12 G23 LGT/VAR NW 10 G17
PRECIP AMOUNT 0.00 0.14 0.09 0.01
PRECIP DURATION 5 3 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1090 1080
MIXING HGT(FT-AGL/MSL) 3590 3540
TRANSPORT WND (MPH) SW 23 NW 20
VENT RATE (KT-FT) 71800 60180
CATEGORY DAY 4 4
INVERSION 7PM 58F/8AM 8PM 47F/5AM
DISPERSION 4 4
MAX ADI EARLY 5 VERY POOR 46 GEN GOOD 22 FAIR 42 GEN GOOD
MAX ADI LATE 12 POOR 58 GEN GOOD 8 POOR 50 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-130830-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 100 70
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 51 (+12) 66 (-3) 41 52
RH % (24H TREND) 66 (-15) 55 (+23) 96 67
WIND 20FT/EARLY(MPH) LGT/VAR SW 8 G21 W 5 G17 W 7 G17
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G23 LGT/VAR NW 9 G18
PRECIP AMOUNT 0.00 0.15 0.11 0.03
PRECIP DURATION 4 5 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 960 830
MIXING HGT(FT-AGL/MSL) 3160 2740
TRANSPORT WND (MPH) SW 22 NW 20
VENT RATE (KT-FT) 60040 46580
CATEGORY DAY 4 3
INVERSION 7PM 56F/8AM 8PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 53 GEN GOOD 23 FAIR 43 GEN GOOD
MAX ADI LATE 11 POOR 70 GOOD 9 POOR 56 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-130830-
INDIANA-
INCLUDING THE CITY OF INDIANA
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 90 80 50
CHANCE OF THUNDER (%) 0 40 30 0
TEMP (24H TREND) 51 (+14) 67 (0) 42 54
RH % (24H TREND) 75 (-14) 60 (+22) 95 69
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G23 W 7 G17 W 9 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G23 W 5 NW 11 G19
PRECIP AMOUNT 0.00 0.17 0.07 0.02
PRECIP DURATION 0 6 3 2
PRECIP BEGIN 4 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 950 870
MIXING HGT(FT-AGL/MSL) 3110 2860
TRANSPORT WND (MPH) SW 23 NW 18
VENT RATE (KT-FT) 62200 45760
CATEGORY DAY 4 3
INVERSION 7PM 56F/9AM 9PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 48 GEN GOOD 20 GEN POOR 38 FAIR
MAX ADI LATE 8 POOR 58 GEN GOOD 10 POOR 43 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-130830-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 90 60
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 52 (+14) 67 (-1) 42 53
RH % (24H TREND) 69 (-15) 56 (+20) 93 69
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G23 W 7 G18 W 9 G19
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G23 W 5 NW 11 G20
PRECIP AMOUNT 0.00 0.18 0.09 0.02
PRECIP DURATION 5 3 6
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 800
MIXING HGT(FT-AGL/MSL) 3340 2640
TRANSPORT WND (MPH) SW 26 NW 18
VENT RATE (KT-FT) 76820 42240
CATEGORY DAY 4 3
INVERSION 7PM 56F/8AM 8PM 46F/4AM
DISPERSION 4 3
MAX ADI EARLY 7 POOR 44 GEN GOOD 19 GEN POOR 34 FAIR
MAX ADI LATE 8 POOR 64 GOOD 15 GEN POOR 42 GEN GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 2 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-130830-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 90 30 20
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 54 (+14) 67 (-3) 44 56
RH % (24H TREND) 80 (-2) 56 (+26) 84 52
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G21 NW 9 G19 NW 9 G19
WIND 20FT/LATE(MPH) S 6 G19 W 12 G21 W 7 NW 11 G19
PRECIP AMOUNT 0.00 0.08 0.01 0.00
PRECIP DURATION 1 8 1 1
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1210 1290
MIXING HGT(FT-AGL/MSL) 3950 4240
TRANSPORT WND (MPH) W 21 NW 22
VENT RATE (KT-FT) 71100 80560
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 7 POOR 50 GEN GOOD 28 FAIR 46 GEN GOOD
MAX ADI LATE 12 POOR 60 GEN GOOD 15 GEN POOR 62 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 2 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-130830-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 90 30 20
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 54 (+13) 68 (-3) 45 57
RH % (24H TREND) 75 (+8) 54 (+25) 82 49
WIND 20FT/EARLY(MPH) LGT/VAR SW 11 G23 NW 9 G19 NW 9 G18
WIND 20FT/LATE(MPH) S 7 G20 SW 12 G23 W 7 NW 12 G19
PRECIP AMOUNT 0.00 0.10 0.01 0.00
PRECIP DURATION 0 6 1 1
PRECIP BEGIN 4 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1190 1420
MIXING HGT(FT-AGL/MSL) 3910 4650
TRANSPORT WND (MPH) SW 23 NW 23
VENT RATE (KT-FT) 78200 93000
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 7 POOR 54 GEN GOOD 28 FAIR 42 GEN GOOD
MAX ADI LATE 13 GEN POOR 62 GOOD 19 GEN POOR 67 GOOD
MAX LVORI EARLY 2 3 3 3
MAX LVORI LATE 2 1 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-130830-
OHIO-
INCLUDING THE CITY OF WHEELING
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 40 20
CHANCE OF THUNDER (%) 0 30 20 0
TEMP (24H TREND) 54 (+12) 68 (-4) 44 58
RH % (24H TREND) 75 (0) 56 (+27) 85 50
WIND 20FT/EARLY(MPH) LGT/VAR SW 12 G23 NW 9 G19 W 9 G18
WIND 20FT/LATE(MPH) S 7 G20 SW 13 G23 W 7 NW 11 G20
PRECIP AMOUNT 0.00 0.14 0.02 0.00
PRECIP DURATION 7 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1150 1470
MIXING HGT(FT-AGL/MSL) 3760 4820
TRANSPORT WND (MPH) W 21 NW 23
VENT RATE (KT-FT) 67680 96400
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM NONE NONE
DISPERSION 4 4
MAX ADI EARLY 5 VERY POOR 53 GEN GOOD 27 FAIR 43 GEN GOOD
MAX ADI LATE 13 GEN POOR 58 GEN GOOD 19 GEN POOR 70 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 2 1 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-130830-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 40 20
CHANCE OF THUNDER (%) 0 40 30 0
TEMP (24H TREND) 54 (+11) 69 (-3) 45 59
RH % (24H TREND) 76 (+1) 56 (+26) 85 52
WIND 20FT/EARLY(MPH) LGT/VAR SW 10 G23 NW 8 G20 W 8 G18
WIND 20FT/LATE(MPH) S 6 G20 SW 11 G23 W 5 NW 10 G19
PRECIP AMOUNT 0.00 0.15 0.02 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 6 AM CONTINUING 7 AM
PRECIP END CONTINUING 4 AM 2 PM
MIXING HGT(M-AGL/MSL) 1150 1530
MIXING HGT(FT-AGL/MSL) 3760 5000
TRANSPORT WND (MPH) SW 22 NW 22
VENT RATE (KT-FT) 71440 95000
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM 9PM 48F/4AM
DISPERSION 4 4
MAX ADI EARLY 5 VERY POOR 51 GEN GOOD 26 FAIR 49 GEN GOOD
MAX ADI LATE 12 POOR 58 GEN GOOD 9 POOR 67 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 3 2 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-130830-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 50 20
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 53 (+10) 69 (-3) 45 58
RH % (24H TREND) 74 (-2) 59 (+29) 88 55
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G23 NW 7 G20 W 7 G17
WIND 20FT/LATE(MPH) S 5 G19 SW 10 G23 LGT/VAR NW 9 G19
PRECIP AMOUNT 0.00 0.17 0.03 0.00
PRECIP DURATION 6 1 1
PRECIP BEGIN 7 AM CONTINUING 7 AM
PRECIP END CONTINUING 4 AM 2 PM
MIXING HGT(M-AGL/MSL) 1080 1480
MIXING HGT(FT-AGL/MSL) 3550 4860
TRANSPORT WND (MPH) W 21 NW 21
VENT RATE (KT-FT) 63900 87480
CATEGORY DAY 4 4
INVERSION 8PM 57F/9AM 9PM 47F/4AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 47 GEN GOOD 26 FAIR 54 GEN GOOD
MAX ADI LATE 12 POOR 67 GOOD 8 POOR 85 GOOD
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-130830-
MARION-
INCLUDING THE CITY OF FAIRMONT
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 80 30
CHANCE OF THUNDER (%) 0 40 50 0
TEMP (24H TREND) 52 (+11) 67 (-6) 43 56
RH % (24H TREND) 72 (-18) 60 (+31) 92 60
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G22 W 7 G18 W 7 G17
WIND 20FT/LATE(MPH) S 5 G18 SW 10 G23 LGT/VAR NW 9 G18
PRECIP AMOUNT 0.00 0.17 0.07 0.00
PRECIP DURATION 5 2 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1100 1350
MIXING HGT(FT-AGL/MSL) 3590 4440
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 71800 79920
CATEGORY DAY 4 4
INVERSION 8PM 57F/8AM 9PM 46F/5AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 45 GEN GOOD 26 FAIR 50 GEN GOOD
MAX ADI LATE 11 POOR 67 GOOD 8 POOR 81 GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-130830-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 100 80 40
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 53 (+11) 67 (-6) 44 56
RH % (24H TREND) 68 (-17) 57 (+27) 90 59
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G22 W 6 G18 W 7 G17
WIND 20FT/LATE(MPH) S 6 G19 SW 10 G23 LGT/VAR NW 9 G18
PRECIP AMOUNT 0.00 0.15 0.08 0.00
PRECIP DURATION 5 3 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1110 1330
MIXING HGT(FT-AGL/MSL) 3630 4360
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 72600 78480
CATEGORY DAY 4 4
INVERSION 7PM 58F/8AM 8PM 47F/5AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 46 GEN GOOD 24 FAIR 50 GEN GOOD
MAX ADI LATE 11 POOR 59 GEN GOOD 8 POOR 75 GOOD
MAX LVORI EARLY 3 3 4 4
MAX LVORI LATE 3 3 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-130830-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 100 90 50
CHANCE OF THUNDER (%) 0 50 50 0
TEMP (24H TREND) 51 (+11) 65 (-4) 42 52
RH % (24H TREND) 67 (-17) 57 (+26) 95 64
WIND 20FT/EARLY(MPH) LGT/VAR SW 9 G20 W 6 G17 W 7
WIND 20FT/LATE(MPH) S 5 G18 SW 9 G22 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.00 0.20 0.13 0.02
PRECIP DURATION 4 4 2
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 1030
MIXING HGT(FT-AGL/MSL) 3360 3380
TRANSPORT WND (MPH) SW 23 NW 18
VENT RATE (KT-FT) 67200 54080
CATEGORY DAY 4 4
INVERSION 8PM 56F/8AM 8PM 44F/5AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 46 GEN GOOD 24 FAIR 39 FAIR
MAX ADI LATE 12 POOR 72 GOOD 8 POOR 60 GEN GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-130830-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 100 60
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 51 (+12) 65 (-5) 42 53
RH % (24H TREND) 67 (-27) 59 (+28) 96 65
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G19 W 5 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G22 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.00 0.22 0.14 0.02
PRECIP DURATION 5 4 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 970 910
MIXING HGT(FT-AGL/MSL) 3170 2990
TRANSPORT WND (MPH) SW 23 NW 18
VENT RATE (KT-FT) 63400 47840
CATEGORY DAY 4 3
INVERSION 8PM 56F/8AM 8PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 59 GEN GOOD 25 FAIR 41 GEN GOOD
MAX ADI LATE 8 POOR 73 GOOD 8 POOR 60 GEN GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-130830-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 100 70
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 50 (+11) 64 (-4) 41 51
RH % (24H TREND) 70 (-18) 58 (+24) 99 68
WIND 20FT/EARLY(MPH) LGT/VAR SW 8 G21 W 7 G18 W 8 G18
WIND 20FT/LATE(MPH) S 5 G18 SW 10 G23 W 5 W 9 G20
PRECIP AMOUNT 0.00 0.20 0.14 0.02
PRECIP DURATION 5 5 6
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 990 800
MIXING HGT(FT-AGL/MSL) 3250 2610
TRANSPORT WND (MPH) SW 23 NW 21
VENT RATE (KT-FT) 65000 46980
CATEGORY DAY 4 3
INVERSION 8PM 55F/8AM 8PM 44F/4AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 61 GOOD 26 FAIR 44 GEN GOOD
MAX ADI LATE 10 POOR 57 GEN GOOD 12 POOR 51 GEN GOOD
MAX LVORI EARLY 3 3 5 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-130830-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 100 70
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 50 (+11) 66 (-3) 41 52
RH % (24H TREND) 69 (-20) 59 (+27) 98 66
WIND 20FT/EARLY(MPH) LGT/VAR SW 7 G21 W 6 G19 W 7 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G23 LGT/VAR NW 9 G19
PRECIP AMOUNT 0.00 0.25 0.15 0.02
PRECIP DURATION 5 5 8
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1100 770
MIXING HGT(FT-AGL/MSL) 3600 2510
TRANSPORT WND (MPH) SW 24 NW 20
VENT RATE (KT-FT) 75600 42670
CATEGORY DAY 4 3
INVERSION 8PM 56F/8AM 8PM 45F/4AM
DISPERSION 4 3
MAX ADI EARLY 7 POOR 81 GOOD 26 FAIR 43 GEN GOOD
MAX ADI LATE 7 POOR 65 GOOD 9 POOR 48 GEN GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-130830-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
132 PM EDT TUE MAY 12 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 90 100 70
CHANCE OF THUNDER (%) 0 40 40 0
TEMP (24H TREND) 46 (+11) 63 (-2) 37 48
RH % (24H TREND) 70 (-13) 60 (+24) 100 76
WIND 20FT/EARLY(MPH) SW 5 SW 9 G28 W 8 G24 W 9 G27
WIND 20FT/LATE(MPH) SW 6 G23 SW 10 G27 W 7 G23 NW 11 G29
PRECIP AMOUNT 0.00 0.19 0.11 0.02
PRECIP DURATION 5 5 8
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1230 870
MIXING HGT(FT-AGL/MSL) 4040 2840
TRANSPORT WND (MPH) W 28 NW 25
VENT RATE (KT-FT) 96960 62480
CATEGORY DAY 4 4
INVERSION 8PM 54F/8AM 9PM 42F/4AM
DISPERSION 4 4
MAX ADI EARLY 7 POOR 85 GOOD 25 FAIR 48 GEN GOOD
MAX ADI LATE 13 GEN POOR 71 GOOD 21 FAIR 56 GEN GOOD
MAX LVORI EARLY 3 3 5 4
MAX LVORI LATE 3 3 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 60S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WARMER. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS 10 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER
90S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH.
CL
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page