709
FNUS51 KPBZ 191628
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1228 PM EDT TUE MAY 19 2026
DISCUSSION
BREEZY SOUTHWEST WINDS AND ISOLATED TO SCATTERED SHOWERS EXPECTED
THIS AFTERNOON AHEAD OF AN APPROACHING COLD FRONT. THUNDERSTORMS
ACCOMPANY THE FRONT ITSELF THIS EVENING INTO TONIGHT, A FEW OF
WHICH COULD PRODUCE STRONG WIND GUSTS. THE FRONT BRINGS NORTHWEST
WINDS AND COOLER TEMPERATURES TO THE AREA ON WEDNESDAY.
OHZ039-200815-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 80 0 0
CHANCE OF THUNDER (%) 40 20 0 0
TEMP (24H TREND) 60 (-9) 71 (-16) 44 70
RH % (24H TREND) 92 (+8) 56 (+9) 74 39
WIND 20FT/EARLY(MPH) SW 8 G21 NW 6 N 8 G17 NE 8
WIND 20FT/LATE(MPH) SW 5 N 8 N 6 NE 8
PRECIP AMOUNT 0.08 0.07 0.00 0.00
PRECIP DURATION 3 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 580 1190
MIXING HGT(FT-AGL/MSL) 1920 3910
TRANSPORT WND (MPH) N 16 NE 14
VENT RATE (KT-FT) 26880 46920
CATEGORY DAY 3 3
INVERSION 8PM 66F/8AM 12AM 47F/6AM
DISPERSION 3 3
MAX ADI EARLY 29 FAIR 23 FAIR 18 GEN POOR 50 GEN GOOD
MAX ADI LATE 8 POOR 37 FAIR 11 POOR 65 GOOD
MAX LVORI EARLY 3 5 2 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-200815-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 70 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 61 (-7) 69 (-17) 44 69
RH % (24H TREND) 93 (+7) 54 (+6) 75 40
WIND 20FT/EARLY(MPH) SW 9 G20 NW 6 N 9 NE 8
WIND 20FT/LATE(MPH) W 6 N 9 N 7 NE 9
PRECIP AMOUNT 0.07 0.06 0.00 0.00
PRECIP DURATION 3 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 540 1230
MIXING HGT(FT-AGL/MSL) 1780 4020
TRANSPORT WND (MPH) N 15 NE 14
VENT RATE (KT-FT) 23140 48240
CATEGORY DAY 2 3
INVERSION 8PM 66F/8AM 1AM 46F/7AM
DISPERSION 2 3
MAX ADI EARLY 26 FAIR 23 FAIR 18 GEN POOR 48 GEN GOOD
MAX ADI LATE 11 POOR 32 FAIR 11 POOR 66 GOOD
MAX LVORI EARLY 3 5 2 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-200815-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 60 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 59 (-9) 70 (-16) 43 69
RH % (24H TREND) 94 (+6) 53 (+5) 76 40
WIND 20FT/EARLY(MPH) SW 9 G20 NW 6 N 8 NE 7
WIND 20FT/LATE(MPH) SW 6 N 9 N 6 NE 8
PRECIP AMOUNT 0.05 0.03 0.00 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 580 1300
MIXING HGT(FT-AGL/MSL) 1890 4250
TRANSPORT WND (MPH) N 15 NE 14
VENT RATE (KT-FT) 24570 51000
CATEGORY DAY 3 3
INVERSION 8PM 66F/8AM 10PM 48F/8AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 25 FAIR 18 GEN POOR 49 GEN GOOD
MAX ADI LATE 12 POOR 34 FAIR 11 POOR 67 GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-200815-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 70 0 0
CHANCE OF THUNDER (%) 40 20 0 0
TEMP (24H TREND) 61 (-8) 70 (-17) 44 70
RH % (24H TREND) 94 (+5) 57 (+10) 74 39
WIND 20FT/EARLY(MPH) SW 8 G20 NW 5 N 8 G17 NE 7
WIND 20FT/LATE(MPH) LGT/VAR N 8 NE 6 NE 7
PRECIP AMOUNT 0.11 0.07 0.00 0.00
PRECIP DURATION 4 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 600 1200
MIXING HGT(FT-AGL/MSL) 1980 3950
TRANSPORT WND (MPH) N 16 NE 14
VENT RATE (KT-FT) 27720 47400
CATEGORY DAY 3 3
INVERSION 8PM 66F/8AM 12AM 46F/6AM
DISPERSION 3 3
MAX ADI EARLY 30 FAIR 22 FAIR 19 GEN POOR 52 GEN GOOD
MAX ADI LATE 8 POOR 39 FAIR 11 POOR 68 GOOD
MAX LVORI EARLY 3 5 2 3
MAX LVORI LATE 5 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-200815-
HARRISON-
INCLUDING THE CITY OF CADIZ
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 80 30 0
CHANCE OF THUNDER (%) 30 30 0 0
TEMP (24H TREND) 62 (-7) 72 (-15) 45 70
RH % (24H TREND) 93 (+7) 55 (+9) 76 39
WIND 20FT/EARLY(MPH) SW 8 G20 NW 6 N 8 NE 8
WIND 20FT/LATE(MPH) SW 6 N 8 N 7 NE 8
PRECIP AMOUNT 0.04 0.09 0.01 0.00
PRECIP DURATION 2 3 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 570 1110
MIXING HGT(FT-AGL/MSL) 1880 3640
TRANSPORT WND (MPH) N 15 NE 14
VENT RATE (KT-FT) 24440 43680
CATEGORY DAY 2 3
INVERSION 8PM 68F/8AM 11PM 47F/7AM
DISPERSION 2 3
MAX ADI EARLY 25 FAIR 21 FAIR 18 GEN POOR 47 GEN GOOD
MAX ADI LATE 9 POOR 34 FAIR 11 POOR 60 GEN GOOD
MAX LVORI EARLY 3 5 3 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-200815-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 70 20 0
CHANCE OF THUNDER (%) 30 30 0 0
TEMP (24H TREND) 62 (-7) 73 (-14) 45 70
RH % (24H TREND) 92 (+9) 54 (+8) 75 39
WIND 20FT/EARLY(MPH) SW 8 G20 NW 6 N 8 NE 7
WIND 20FT/LATE(MPH) SW 6 N 8 N 6 NE 8
PRECIP AMOUNT 0.03 0.07 0.02 0.00
PRECIP DURATION 1 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 570 1220
MIXING HGT(FT-AGL/MSL) 1870 4000
TRANSPORT WND (MPH) N 15 E 14
VENT RATE (KT-FT) 24310 48000
CATEGORY DAY 2 3
INVERSION 8PM 69F/8AM 9PM 47F/7AM
DISPERSION 2 3
MAX ADI EARLY 25 FAIR 23 FAIR 18 GEN POOR 47 GEN GOOD
MAX ADI LATE 10 POOR 34 FAIR 9 POOR 62 GOOD
MAX LVORI EARLY 3 5 3 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-200815-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 70 40 0
CHANCE OF THUNDER (%) 40 20 20 0
TEMP (24H TREND) 63 (-6) 74 (-14) 45 71
RH % (24H TREND) 96 (+12) 59 (+14) 74 39
WIND 20FT/EARLY(MPH) SW 7 G19 LGT/VAR N 8 G17 NE 7
WIND 20FT/LATE(MPH) LGT/VAR N 7 NE 6 NE 7
PRECIP AMOUNT 0.03 0.08 0.02 0.00
PRECIP DURATION 2 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 610 1210
MIXING HGT(FT-AGL/MSL) 1990 3970
TRANSPORT WND (MPH) N 16 NE 14
VENT RATE (KT-FT) 27860 47640
CATEGORY DAY 3 3
INVERSION 8PM 68F/8AM 11PM 48F/6AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 21 FAIR 22 FAIR 39 FAIR
MAX ADI LATE 8 POOR 39 FAIR 10 POOR 66 GOOD
MAX LVORI EARLY 3 6 3 3
MAX LVORI LATE 6 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-200815-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 80 30 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 63 (-6) 75 (-13) 45 71
RH % (24H TREND) 93 (+6) 58 (+13) 76 39
WIND 20FT/EARLY(MPH) SW 6 G19 LGT/VAR N 7 G17 NE 6
WIND 20FT/LATE(MPH) LGT/VAR N 7 N 6 NE 6
PRECIP AMOUNT 0.02 0.10 0.02 0.00
PRECIP DURATION 2 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 620 1160
MIXING HGT(FT-AGL/MSL) 2040 3810
TRANSPORT WND (MPH) N 15 NE 15
VENT RATE (KT-FT) 26520 49530
CATEGORY DAY 3 4
INVERSION 8PM 69F/8AM 11PM 47F/7AM
DISPERSION 3 4
MAX ADI EARLY 27 FAIR 20 GEN POOR 19 GEN POOR 40 FAIR
MAX ADI LATE 8 POOR 37 FAIR 8 POOR 64 GOOD
MAX LVORI EARLY 3 6 3 3
MAX LVORI LATE 5 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-200815-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 70 40 0
CHANCE OF THUNDER (%) 30 40 0 0
TEMP (24H TREND) 63 (-5) 76 (-11) 45 70
RH % (24H TREND) 94 (+8) 62 (+16) 80 43
WIND 20FT/EARLY(MPH) SW 7 G19 W 5 N 8 G17 NE 8
WIND 20FT/LATE(MPH) SW 5 N 8 N 7 NE 8
PRECIP AMOUNT 0.00 0.11 0.03 0.00
PRECIP DURATION 1 5 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 650 1080
MIXING HGT(FT-AGL/MSL) 2130 3540
TRANSPORT WND (MPH) W 10 NE 15
VENT RATE (KT-FT) 19170 46020
CATEGORY DAY 2 3
INVERSION 8PM 69F/8AM 12AM 50F/8AM
DISPERSION 2 3
MAX ADI EARLY 23 FAIR 24 FAIR 18 GEN POOR 39 FAIR
MAX ADI LATE 8 POOR 33 FAIR 11 POOR 55 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 5 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-200815-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 50 80 40 0
CHANCE OF THUNDER (%) 30 40 20 0
TEMP (24H TREND) 63 (-4) 76 (-12) 46 71
RH % (24H TREND) 93 (+1) 63 (+19) 81 43
WIND 20FT/EARLY(MPH) SW 6 G18 LGT/VAR N 7 G17 NE 7
WIND 20FT/LATE(MPH) LGT/VAR N 7 NE 6 NE 6
PRECIP AMOUNT 0.01 0.14 0.05 0.00
PRECIP DURATION 2 5 2
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 660 1130
MIXING HGT(FT-AGL/MSL) 2170 3710
TRANSPORT WND (MPH) NW 9 NE 15
VENT RATE (KT-FT) 17360 48230
CATEGORY DAY 2 3
INVERSION 8PM 68F/8AM 10PM 50F/8AM
DISPERSION 2 3
MAX ADI EARLY 21 FAIR 25 FAIR 18 GEN POOR 33 FAIR
MAX ADI LATE 8 POOR 34 FAIR 11 POOR 50 GEN GOOD
MAX LVORI EARLY 3 6 3 4
MAX LVORI LATE 5 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-200815-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 80 50 20
CHANCE OF THUNDER (%) 30 40 30 0
TEMP (24H TREND) 64 (-3) 78 (-10) 46 70
RH % (24H TREND) 89 (-3) 66 (+21) 82 47
WIND 20FT/EARLY(MPH) SW 6 G19 LGT/VAR N 7 G17 NE 7
WIND 20FT/LATE(MPH) LGT/VAR N 6 N 6 NE 6
PRECIP AMOUNT 0.02 0.19 0.05 0.01
PRECIP DURATION 2 7 2 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 700 1100
MIXING HGT(FT-AGL/MSL) 2300 3610
TRANSPORT WND (MPH) NW 10 NE 14
VENT RATE (KT-FT) 20700 43320
CATEGORY DAY 2 3
INVERSION 8PM 69F/8AM 10PM 51F/8AM
DISPERSION 2 3
MAX ADI EARLY 20 GEN POOR 28 FAIR 18 GEN POOR 32 FAIR
MAX ADI LATE 8 POOR 31 FAIR 10 POOR 49 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 5 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-200815-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 70 40 0 0
CHANCE OF THUNDER (%) 40 0 0 0
TEMP (24H TREND) 56 (-12) 67 (-18) 42 69
RH % (24H TREND) 95 (+1) 57 (+6) 81 39
WIND 20FT/EARLY(MPH) SW 9 G20 NW 7 N 7 NE 6
WIND 20FT/LATE(MPH) SW 6 N 9 N 5 NE 7
PRECIP AMOUNT 0.15 0.01 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 660 1310
MIXING HGT(FT-AGL/MSL) 2180 4290
TRANSPORT WND (MPH) N 15 E 13
VENT RATE (KT-FT) 28340 47190
CATEGORY DAY 3 3
INVERSION 7PM 64F/7AM 9PM 47F/8AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 28 FAIR 17 GEN POOR 49 GEN GOOD
MAX ADI LATE 10 POOR 33 FAIR 8 POOR 63 GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-200815-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 70 40 0 0
CHANCE OF THUNDER (%) 40 20 0 0
TEMP (24H TREND) 57 (-10) 69 (-16) 42 69
RH % (24H TREND) 94 (+6) 55 (+5) 79 36
WIND 20FT/EARLY(MPH) SW 7 G19 NW 6 N 6 NE 5
WIND 20FT/LATE(MPH) SW 5 NW 7 LGT/VAR NE 5
PRECIP AMOUNT 0.15 0.01 0.00 0.00
PRECIP DURATION 4 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 660 1350
MIXING HGT(FT-AGL/MSL) 2150 4440
TRANSPORT WND (MPH) N 14 E 13
VENT RATE (KT-FT) 25800 48840
CATEGORY DAY 2 4
INVERSION 8PM 64F/8AM 9PM 45F/7AM
DISPERSION 2 4
MAX ADI EARLY 27 FAIR 26 FAIR 17 GEN POOR 49 GEN GOOD
MAX ADI LATE 8 POOR 36 FAIR 8 POOR 66 GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-200815-
FOREST-
INCLUDING THE CITY OF TIONESTA
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 40 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 58 (-8) 69 (-15) 41 69
RH % (24H TREND) 91 (+4) 50 (0) 77 32
WIND 20FT/EARLY(MPH) SW 6 G19 LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.01 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT(M-AGL/MSL) 700 1370
MIXING HGT(FT-AGL/MSL) 2280 4500
TRANSPORT WND (MPH) N 14 E 13
VENT RATE (KT-FT) 27360 49500
CATEGORY DAY 3 4
INVERSION 8PM 65F/8AM 9PM 44F/7AM
DISPERSION 3 4
MAX ADI EARLY 18 GEN POOR 25 FAIR 9 POOR 51 GEN GOOD
MAX ADI LATE 8 POOR 38 FAIR 8 POOR 70 GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-200815-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 60 60 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 60 (-8) 70 (-16) 43 70
RH % (24H TREND) 95 (+4) 53 (+5) 79 38
WIND 20FT/EARLY(MPH) SW 7 G18 NW 6 N 7 NE 5
WIND 20FT/LATE(MPH) SW 5 N 9 LGT/VAR NE 6
PRECIP AMOUNT 0.06 0.02 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 4 PM
MIXING HGT(M-AGL/MSL) 610 1310
MIXING HGT(FT-AGL/MSL) 2000 4280
TRANSPORT WND (MPH) N 16 E 13
VENT RATE (KT-FT) 28000 47080
CATEGORY DAY 3 3
INVERSION 8PM 66F/8AM 9PM 48F/8AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 27 FAIR 18 GEN POOR 48 GEN GOOD
MAX ADI LATE 8 POOR 38 FAIR 8 POOR 64 GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-200815-
BUTLER-
INCLUDING THE CITY OF BUTLER
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 70 0 0
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 61 (-6) 72 (-14) 43 69
RH % (24H TREND) 96 (+8) 58 (+10) 81 41
WIND 20FT/EARLY(MPH) SW 7 G18 NW 5 N 7 NE 6
WIND 20FT/LATE(MPH) SW 5 N 8 LGT/VAR NE 6
PRECIP AMOUNT 0.08 0.04 0.00 0.00
PRECIP DURATION 2 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 590 1340
MIXING HGT(FT-AGL/MSL) 1950 4410
TRANSPORT WND (MPH) N 15 E 13
VENT RATE (KT-FT) 25350 48510
CATEGORY DAY 3 4
INVERSION 7PM 68F/8AM 9PM 49F/8AM
DISPERSION 3 4
MAX ADI EARLY 26 FAIR 24 FAIR 17 GEN POOR 46 GEN GOOD
MAX ADI LATE 8 POOR 36 FAIR 8 POOR 65 GOOD
MAX LVORI EARLY 3 6 3 4
MAX LVORI LATE 5 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-200815-
CLARION-
INCLUDING THE CITY OF CLARION
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 60 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 61 (-6) 72 (-13) 43 69
RH % (24H TREND) 92 (+9) 53 (+3) 78 35
WIND 20FT/EARLY(MPH) SW 6 G18 NW 5 N 5 NE 5
WIND 20FT/LATE(MPH) SW 5 NW 7 LGT/VAR NE 5
PRECIP AMOUNT 0.09 0.03 0.00 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 640 1360
MIXING HGT(FT-AGL/MSL) 2090 4460
TRANSPORT WND (MPH) N 15 E 13
VENT RATE (KT-FT) 27170 49060
CATEGORY DAY 3 4
INVERSION 7PM 68F/8AM 9PM 46F/7AM
DISPERSION 3 4
MAX ADI EARLY 13 GEN POOR 26 FAIR 17 GEN POOR 47 GEN GOOD
MAX ADI LATE 8 POOR 36 FAIR 8 POOR 68 GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-200815-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 30 60 0 0
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 63 (-4) 74 (-10) 44 68
RH % (24H TREND) 87 (+4) 52 (+2) 74 34
WIND 20FT/EARLY(MPH) SW 6 G19 W 6 N 5 NE 6
WIND 20FT/LATE(MPH) SW 5 NW 8 LGT/VAR E 6
PRECIP AMOUNT 0.03 0.03 0.00 0.00
PRECIP DURATION 1 3
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT(M-AGL/MSL) 620 1390
MIXING HGT(FT-AGL/MSL) 2030 4540
TRANSPORT WND (MPH) N 15 E 13
VENT RATE (KT-FT) 26390 49940
CATEGORY DAY 3 4
INVERSION 7PM 68F/8AM 9PM 48F/8AM
DISPERSION 3 4
MAX ADI EARLY 13 GEN POOR 32 FAIR 17 GEN POOR 46 GEN GOOD
MAX ADI LATE 8 POOR 36 FAIR 7 POOR 67 GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-200815-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE NONE
CHANCE PRECIP (%) 50 70 0 0
CHANCE OF THUNDER (%) 30 20 0 0
TEMP (24H TREND) 63 (-6) 71 (-16) 46 70
RH % (24H TREND) 94 (+11) 54 (+9) 75 39
WIND 20FT/EARLY(MPH) SW 7 G18 NW 5 N 7 NE 5
WIND 20FT/LATE(MPH) SW 5 N 8 LGT/VAR NE 6
PRECIP AMOUNT 0.04 0.05 0.00 0.00
PRECIP DURATION 2 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 590 1310
MIXING HGT(FT-AGL/MSL) 1930 4300
TRANSPORT WND (MPH) N 15 E 14
VENT RATE (KT-FT) 25090 51600
CATEGORY DAY 3 3
INVERSION 8PM 69F/8AM 9PM 48F/7AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 24 FAIR 18 GEN POOR 46 GEN GOOD
MAX ADI LATE 8 POOR 36 FAIR 8 POOR 67 GOOD
MAX LVORI EARLY 3 5 3 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-200815-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 80 20 0
CHANCE OF THUNDER (%) 20 30 0 0
TEMP (24H TREND) 65 (-4) 76 (-11) 47 69
RH % (24H TREND) 88 (+8) 59 (+16) 79 43
WIND 20FT/EARLY(MPH) SW 8 G19 W 6 N 8 NE 7
WIND 20FT/LATE(MPH) SW 5 N 9 N 5 NE 8
PRECIP AMOUNT 0.00 0.10 0.01 0.00
PRECIP DURATION 1 5 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 690 1230
MIXING HGT(FT-AGL/MSL) 2250 4020
TRANSPORT WND (MPH) NW 13 E 14
VENT RATE (KT-FT) 24750 48240
CATEGORY DAY 3 3
INVERSION 8PM 70F/8AM 12AM 50F/5AM
DISPERSION 3 3
MAX ADI EARLY 26 FAIR 30 FAIR 17 GEN POOR 41 GEN GOOD
MAX ADI LATE 8 POOR 35 FAIR 9 POOR 49 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-200815-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 70 20 0
CHANCE OF THUNDER (%) 20 30 0 0
TEMP (24H TREND) 63 (-4) 75 (-11) 45 69
RH % (24H TREND) 91 (+1) 58 (+10) 81 41
WIND 20FT/EARLY(MPH) SW 6 G17 W 6 N 6 NE 6
WIND 20FT/LATE(MPH) SW 5 NW 8 LGT/VAR E 6
PRECIP AMOUNT 0.03 0.05 0.00 0.00
PRECIP DURATION 1 3 1
PRECIP BEGIN 11 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 630 1330
MIXING HGT(FT-AGL/MSL) 2060 4380
TRANSPORT WND (MPH) N 15 E 13
VENT RATE (KT-FT) 26780 48180
CATEGORY DAY 3 3
INVERSION 7PM 69F/8AM 9PM 50F/8AM
DISPERSION 3 3
MAX ADI EARLY 12 POOR 29 FAIR 17 GEN POOR 40 FAIR
MAX ADI LATE 8 POOR 36 FAIR 7 POOR 63 GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 5 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-200815-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 90 40 10
CHANCE OF THUNDER (%) 20 40 0 0
TEMP (24H TREND) 65 (-3) 76 (-10) 47 68
RH % (24H TREND) 86 (+6) 61 (+15) 81 44
WIND 20FT/EARLY(MPH) SW 8 G19 W 6 N 8 NE 7
WIND 20FT/LATE(MPH) SW 5 N 9 N 6 NE 9
PRECIP AMOUNT 0.00 0.14 0.02 0.00
PRECIP DURATION 1 4 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 800 1130
MIXING HGT(FT-AGL/MSL) 2630 3700
TRANSPORT WND (MPH) W 13 E 14
VENT RATE (KT-FT) 28930 44400
CATEGORY DAY 3 3
INVERSION 8PM 70F/8AM 9PM 51F/8AM
DISPERSION 3 3
MAX ADI EARLY 24 FAIR 33 FAIR 17 GEN POOR 40 FAIR
MAX ADI LATE 8 POOR 32 FAIR 9 POOR 49 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-200815-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 80 60 30
CHANCE OF THUNDER (%) 20 50 0 0
TEMP (24H TREND) 66 (0) 78 (-9) 48 68
RH % (24H TREND) 83 (-3) 71 (+27) 89 56
WIND 20FT/EARLY(MPH) SW 6 G18 SW 5 N 6 NE 7
WIND 20FT/LATE(MPH) LGT/VAR NW 6 N 5 NE 7
PRECIP AMOUNT 0.00 0.26 0.07 0.03
PRECIP DURATION 1 8 4 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 990 980
MIXING HGT(FT-AGL/MSL) 3260 3220
TRANSPORT WND (MPH) W 14 E 14
VENT RATE (KT-FT) 39120 38640
CATEGORY DAY 3 3
INVERSION 8PM 71F/8AM 10PM 51F/8AM
DISPERSION 3 3
MAX ADI EARLY 22 FAIR 37 FAIR 17 GEN POOR 33 FAIR
MAX ADI LATE 7 POOR 44 GEN GOOD 8 POOR 45 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 4 4 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-200815-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 80 40 20
CHANCE OF THUNDER (%) 20 40 0 0
TEMP (24H TREND) 65 (-2) 78 (-9) 47 69
RH % (24H TREND) 89 (+2) 66 (+20) 87 45
WIND 20FT/EARLY(MPH) SW 8 G18 W 7 N 6 NE 7
WIND 20FT/LATE(MPH) SW 5 NW 9 LGT/VAR NE 8
PRECIP AMOUNT 0.00 0.15 0.02 0.01
PRECIP DURATION 1 5 1 1
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 780 1110
MIXING HGT(FT-AGL/MSL) 2560 3630
TRANSPORT WND (MPH) W 14 E 12
VENT RATE (KT-FT) 30720 36300
CATEGORY DAY 3 3
INVERSION 7PM 70F/8AM 9PM 51F/8AM
DISPERSION 3 3
MAX ADI EARLY 23 FAIR 38 FAIR 14 GEN POOR 38 FAIR
MAX ADI LATE 8 POOR 35 FAIR 7 POOR 41 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 5 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-200815-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 90 50 30
CHANCE OF THUNDER (%) 20 40 0 0
TEMP (24H TREND) 66 (-2) 80 (-5) 48 69
RH % (24H TREND) 80 (0) 66 (+19) 84 41
WIND 20FT/EARLY(MPH) SW 6 G18 W 6 G17 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) SW 5 G17 NW 7 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.17 0.05 0.03
PRECIP DURATION 1 7 1 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 860 950
MIXING HGT(FT-AGL/MSL) 2830 3120
TRANSPORT WND (MPH) W 16 E 12
VENT RATE (KT-FT) 39620 31200
CATEGORY DAY 3 3
INVERSION 7PM 70F/8AM 5AM 51F/8AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 45 GEN GOOD 8 POOR 30 FAIR
MAX ADI LATE 8 POOR 49 GEN GOOD 5 VERY POOR 37 FAIR
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-200815-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 90 70 40
CHANCE OF THUNDER (%) 20 50 0 0
TEMP (24H TREND) 65 (-2) 79 (-8) 48 68
RH % (24H TREND) 88 (+6) 70 (+25) 89 54
WIND 20FT/EARLY(MPH) SW 6 SW 5 N 5 NE 5
WIND 20FT/LATE(MPH) LGT/VAR NW 7 LGT/VAR NE 6
PRECIP AMOUNT 0.00 0.29 0.07 0.04
PRECIP DURATION 1 7 4 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 970 970
MIXING HGT(FT-AGL/MSL) 3180 3190
TRANSPORT WND (MPH) W 14 E 12
VENT RATE (KT-FT) 38160 31900
CATEGORY DAY 3 3
INVERSION 7PM 70F/8AM 10PM 52F/8AM
DISPERSION 3 3
MAX ADI EARLY 20 GEN POOR 40 FAIR 14 GEN POOR 29 FAIR
MAX ADI LATE 7 POOR 44 GEN GOOD 7 POOR 36 FAIR
MAX LVORI EARLY 3 5 4 5
MAX LVORI LATE 4 4 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-200815-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 90 70 50
CHANCE OF THUNDER (%) 20 50 0 0
TEMP (24H TREND) 64 (-3) 78 (-6) 48 66
RH % (24H TREND) 85 (+3) 68 (+21) 92 52
WIND 20FT/EARLY(MPH) SW 5 G17 SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.27 0.10 0.05
PRECIP DURATION 1 6 4 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1000 770
MIXING HGT(FT-AGL/MSL) 3290 2540
TRANSPORT WND (MPH) W 16 E 13
VENT RATE (KT-FT) 46060 27940
CATEGORY DAY 3 3
INVERSION 7PM 69F/8AM 5AM 51F/8AM
DISPERSION 3 3
MAX ADI EARLY 10 POOR 44 GEN GOOD 8 POOR 23 FAIR
MAX ADI LATE 7 POOR 51 GEN GOOD 5 VERY POOR 33 FAIR
MAX LVORI EARLY 3 4 4 5
MAX LVORI LATE 4 4 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-200815-
INDIANA-
INCLUDING THE CITY OF INDIANA
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 70 20 0
CHANCE OF THUNDER (%) 20 30 0 0
TEMP (24H TREND) 65 (-2) 77 (-8) 46 69
RH % (24H TREND) 86 (+2) 60 (+12) 83 39
WIND 20FT/EARLY(MPH) SW 7 G19 W 6 N 5 NE 5
WIND 20FT/LATE(MPH) SW 5 G17 NW 8 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.06 0.00 0.00
PRECIP DURATION 0 3 1
PRECIP BEGIN 1 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 680 1250
MIXING HGT(FT-AGL/MSL) 2230 4090
TRANSPORT WND (MPH) W 14 E 13
VENT RATE (KT-FT) 26760 44990
CATEGORY DAY 3 3
INVERSION 7PM 69F/8AM 9PM 50F/8AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 37 FAIR 15 GEN POOR 38 FAIR
MAX ADI LATE 8 POOR 34 FAIR 6 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-200815-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 70 40 10
CHANCE OF THUNDER (%) 0 40 0 0
TEMP (24H TREND) 66 (-2) 78 (-7) 47 68
RH % (24H TREND) 81 (+2) 64 (+16) 80 40
WIND 20FT/EARLY(MPH) SW 6 G18 W 7 NW 5 NE 5
WIND 20FT/LATE(MPH) SW 5 G17 NW 7 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.08 0.01 0.00
PRECIP DURATION 3 1 1
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 790 1090
MIXING HGT(FT-AGL/MSL) 2600 3580
TRANSPORT WND (MPH) W 15 E 12
VENT RATE (KT-FT) 33800 35800
CATEGORY DAY 3 3
INVERSION 7PM 70F/8AM 12AM 51F/8AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 38 FAIR 12 POOR 35 FAIR
MAX ADI LATE 8 POOR 42 GEN GOOD 5 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 3 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-200815-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 70 20 0
CHANCE OF THUNDER (%) 30 30 0 0
TEMP (24H TREND) 62 (-6) 72 (-15) 46 69
RH % (24H TREND) 94 (+8) 54 (+9) 73 40
WIND 20FT/EARLY(MPH) SW 8 G18 NW 5 N 8 NE 6
WIND 20FT/LATE(MPH) SW 5 N 8 N 5 NE 7
PRECIP AMOUNT 0.03 0.06 0.01 0.00
PRECIP DURATION 2 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 590 1300
MIXING HGT(FT-AGL/MSL) 1940 4270
TRANSPORT WND (MPH) N 15 E 14
VENT RATE (KT-FT) 25220 51240
CATEGORY DAY 3 3
INVERSION 8PM 69F/8AM 9PM 48F/7AM
DISPERSION 3 3
MAX ADI EARLY 25 FAIR 23 FAIR 18 GEN POOR 45 GEN GOOD
MAX ADI LATE 9 POOR 35 FAIR 8 POOR 69 GOOD
MAX LVORI EARLY 3 5 3 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-200815-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 70 20 0
CHANCE OF THUNDER (%) 20 30 0 0
TEMP (24H TREND) 65 (-5) 75 (-12) 47 70
RH % (24H TREND) 85 (+7) 55 (+9) 74 40
WIND 20FT/EARLY(MPH) SW 8 G19 W 5 N 8 NE 7
WIND 20FT/LATE(MPH) SW 5 N 8 N 6 NE 8
PRECIP AMOUNT 0.00 0.11 0.02 0.00
PRECIP DURATION 1 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 610 1160
MIXING HGT(FT-AGL/MSL) 1990 3800
TRANSPORT WND (MPH) NW 10 E 14
VENT RATE (KT-FT) 17910 45600
CATEGORY DAY 2 3
INVERSION 8PM 70F/8AM 12AM 50F/8AM
DISPERSION 2 3
MAX ADI EARLY 25 FAIR 25 FAIR 18 GEN POOR 42 GEN GOOD
MAX ADI LATE 8 POOR 34 FAIR 9 POOR 59 GEN GOOD
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 4 3 3 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-200815-
OHIO-
INCLUDING THE CITY OF WHEELING
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 80 30 0
CHANCE OF THUNDER (%) 20 40 0 0
TEMP (24H TREND) 65 (-3) 75 (-12) 47 69
RH % (24H TREND) 85 (+2) 62 (+16) 78 43
WIND 20FT/EARLY(MPH) SW 8 G19 W 5 N 8 NE 7
WIND 20FT/LATE(MPH) SW 5 N 7 N 7 NE 8
PRECIP AMOUNT 0.00 0.14 0.02 0.00
PRECIP DURATION 1 4 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 AM
MIXING HGT(M-AGL/MSL) 660 1100
MIXING HGT(FT-AGL/MSL) 2170 3590
TRANSPORT WND (MPH) W 12 E 15
VENT RATE (KT-FT) 21700 46670
CATEGORY DAY 2 3
INVERSION 8PM 70F/8AM 1AM 50F/8AM
DISPERSION 2 3
MAX ADI EARLY 23 FAIR 28 FAIR 17 GEN POOR 42 GEN GOOD
MAX ADI LATE 10 POOR 32 FAIR 10 POOR 52 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-200815-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 80 60 20
CHANCE OF THUNDER (%) 20 40 0 0
TEMP (24H TREND) 67 (-2) 78 (-9) 48 70
RH % (24H TREND) 83 (-1) 67 (+22) 86 49
WIND 20FT/EARLY(MPH) SW 7 G18 SW 5 N 8 NE 7
WIND 20FT/LATE(MPH) LGT/VAR N 7 N 6 NE 8
PRECIP AMOUNT 0.00 0.19 0.04 0.01
PRECIP DURATION 1 7 4 3
PRECIP BEGIN 10 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 730 1060
MIXING HGT(FT-AGL/MSL) 2410 3470
TRANSPORT WND (MPH) W 12 NE 14
VENT RATE (KT-FT) 24100 41640
CATEGORY DAY 2 3
INVERSION 8PM 70F/8AM 12AM 51F/8AM
DISPERSION 2 3
MAX ADI EARLY 22 FAIR 30 FAIR 17 GEN POOR 37 FAIR
MAX ADI LATE 8 POOR 29 FAIR 11 POOR 47 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 4 4 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-200815-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 90 60 40
CHANCE OF THUNDER (%) 30 50 30 0
TEMP (24H TREND) 68 (-1) 78 (-9) 49 69
RH % (24H TREND) 83 (0) 73 (+29) 91 57
WIND 20FT/EARLY(MPH) SW 5 G17 LGT/VAR N 6 NE 7
WIND 20FT/LATE(MPH) LGT/VAR NW 5 N 6 NE 6
PRECIP AMOUNT 0.01 0.26 0.07 0.03
PRECIP DURATION 1 7 4 4
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 950 1010
MIXING HGT(FT-AGL/MSL) 3130 3300
TRANSPORT WND (MPH) W 13 NE 14
VENT RATE (KT-FT) 34430 39600
CATEGORY DAY 3 3
INVERSION 8PM 70F/8AM 2AM 52F/8AM
DISPERSION 3 3
MAX ADI EARLY 21 FAIR 32 FAIR 17 GEN POOR 31 FAIR
MAX ADI LATE 8 POOR 39 FAIR 11 POOR 44 GEN GOOD
MAX LVORI EARLY 3 4 4 4
MAX LVORI LATE 4 4 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-200815-
MARION-
INCLUDING THE CITY OF FAIRMONT
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 90 60 60
CHANCE OF THUNDER (%) 30 60 30 0
TEMP (24H TREND) 66 (+1) 79 (-8) 49 67
RH % (24H TREND) 86 (-4) 71 (+29) 91 65
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR N 6 NE 6
WIND 20FT/LATE(MPH) LGT/VAR NW 6 N 6 NE 6
PRECIP AMOUNT 0.00 0.26 0.12 0.06
PRECIP DURATION 1 6 5 7
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 810
MIXING HGT(FT-AGL/MSL) 3430 2670
TRANSPORT WND (MPH) W 14 NE 13
VENT RATE (KT-FT) 41160 29370
CATEGORY DAY 3 3
INVERSION 8PM 69F/8AM 2AM 53F/9AM
DISPERSION 3 3
MAX ADI EARLY 18 GEN POOR 37 FAIR 15 GEN POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 47 GEN GOOD 11 POOR 38 FAIR
MAX LVORI EARLY 3 4 5 5
MAX LVORI LATE 5 4 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-200815-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 90 60 60
CHANCE OF THUNDER (%) 30 60 30 0
TEMP (24H TREND) 67 (-1) 79 (-8) 49 67
RH % (24H TREND) 83 (-1) 69 (+27) 90 61
WIND 20FT/EARLY(MPH) SW 5 G17 LGT/VAR N 6 NE 6
WIND 20FT/LATE(MPH) LGT/VAR NW 6 N 5 NE 6
PRECIP AMOUNT 0.00 0.27 0.09 0.04
PRECIP DURATION 1 7 5 7
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140 840
MIXING HGT(FT-AGL/MSL) 3750 2770
TRANSPORT WND (MPH) W 15 E 13
VENT RATE (KT-FT) 48750 30470
CATEGORY DAY 3 3
INVERSION 7PM 71F/8AM 4AM 54F/9AM
DISPERSION 3 3
MAX ADI EARLY 11 POOR 36 FAIR 15 GEN POOR 25 FAIR
MAX ADI LATE 6 VERY POOR 52 GEN GOOD 8 POOR 36 FAIR
MAX LVORI EARLY 3 4 4 5
MAX LVORI LATE 4 4 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-200815-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 90 70 60
CHANCE OF THUNDER (%) 20 60 30 0
TEMP (24H TREND) 64 (-3) 78 (-7) 49 65
RH % (24H TREND) 85 (0) 68 (+22) 93 62
WIND 20FT/EARLY(MPH) SW 5 LGT/VAR N 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR NW 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.29 0.16 0.07
PRECIP DURATION 1 6 5 7
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 640
MIXING HGT(FT-AGL/MSL) 3460 2090
TRANSPORT WND (MPH) W 15 E 12
VENT RATE (KT-FT) 44980 20900
CATEGORY DAY 3 2
INVERSION 8PM 71F/9AM 2AM 53F/9AM
DISPERSION 3 2
MAX ADI EARLY 9 POOR 37 FAIR 8 POOR 21 FAIR
MAX ADI LATE 7 POOR 52 GEN GOOD 7 POOR 31 FAIR
MAX LVORI EARLY 3 4 4 5
MAX LVORI LATE 4 4 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-200815-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 90 70 70
CHANCE OF THUNDER (%) 20 60 30 20
TEMP (24H TREND) 65 (0) 79 (-6) 50 65
RH % (24H TREND) 84 (-8) 66 (+21) 94 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.25 0.21 0.11
PRECIP DURATION 0 5 6 7
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1080 570
MIXING HGT(FT-AGL/MSL) 3550 1880
TRANSPORT WND (MPH) W 16 E 13
VENT RATE (KT-FT) 49700 20680
CATEGORY DAY 3 2
INVERSION 8PM 71F/9AM 12AM 55F/9AM
DISPERSION 3 2
MAX ADI EARLY 8 POOR 42 GEN GOOD 8 POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 54 GEN GOOD 4 VERY POOR 28 FAIR
MAX LVORI EARLY 3 4 5 6
MAX LVORI LATE 4 3 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-200815-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 80 80 70
CHANCE OF THUNDER (%) 20 60 30 20
TEMP (24H TREND) 64 (-1) 79 (-4) 50 65
RH % (24H TREND) 82 (-4) 66 (+19) 95 63
WIND 20FT/EARLY(MPH) SW 5 SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.18 0.20 0.15
PRECIP DURATION 0 5 6 7
PRECIP BEGIN 6 PM 7 AM CONTINUING CONTINUING
PRECIP END 6 AM CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1060 500
MIXING HGT(FT-AGL/MSL) 3490 1660
TRANSPORT WND (MPH) W 17 E 14
VENT RATE (KT-FT) 52350 19920
CATEGORY DAY 4 2
INVERSION 8PM 70F/9AM 12AM 55F/9AM
DISPERSION 4 2
MAX ADI EARLY 10 POOR 44 GEN GOOD 8 POOR 18 GEN POOR
MAX ADI LATE 8 POOR 60 GEN GOOD 4 VERY POOR 26 FAIR
MAX LVORI EARLY 3 4 6 6
MAX LVORI LATE 4 4 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-200815-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 80 80
CHANCE OF THUNDER (%) 0 50 40 20
TEMP (24H TREND) 64 (-1) 81 (-3) 54 67
RH % (24H TREND) 81 (-8) 60 (+16) 96 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.16 0.16 0.25
PRECIP DURATION 4 7 11
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1220 450
MIXING HGT(FT-AGL/MSL) 4000 1470
TRANSPORT WND (MPH) W 16 E 12
VENT RATE (KT-FT) 56000 14700
CATEGORY DAY 4 2
INVERSION 8PM 70F/9AM 9PM 57F/9AM
DISPERSION 4 2
MAX ADI EARLY 8 POOR 44 GEN GOOD 8 POOR 12 POOR
MAX ADI LATE 5 VERY POOR 73 GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 3 4 5 6
MAX LVORI LATE 4 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-200815-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1228 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 80 90
CHANCE OF THUNDER (%) 0 50 30 20
TEMP (24H TREND) 63 (+1) 78 (-2) 50 62
RH % (24H TREND) 80 (-8) 58 (+14) 98 74
WIND 20FT/EARLY(MPH) SW 5 G18 W 6 G23 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 G22 LGT/VAR E 5
PRECIP AMOUNT 0.00 0.08 0.12 0.25
PRECIP DURATION 3 7 11
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1250 400
MIXING HGT(FT-AGL/MSL) 4110 1320
TRANSPORT WND (MPH) W 20 SE 9
VENT RATE (KT-FT) 69870 10560
CATEGORY DAY 4 1
INVERSION 8PM 66F/8AM 9PM 55F/7AM
DISPERSION 4 1
MAX ADI EARLY 12 POOR 60 GEN GOOD 11 POOR 16 GEN POOR
MAX ADI LATE 9 POOR 88 GOOD 4 VERY POOR 19 GEN POOR
MAX LVORI EARLY 3 4 6 6
MAX LVORI LATE 4 3 6 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S.
EAST WINDS 5 TO 10 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 50S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 15 TO 20 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTH WINDS 15 TO 20 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND
60. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.
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