679
FNUS51 KPBZ 231717
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
117 PM EDT THU APR 23 2026
DISCUSSION
A STALLED FRONT ACROSS OHIO AND SOUTHWEST PENNSYLVANIA WILL SPARK
ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS TODAY, MAINLY
FROM NEAR PITTSBURGH AND TO THE SOUTH AND WEST. SCATTERED SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO DEVELOP FRIDAY AS THE FRONT
RETURNS NORTH AS A WARM FRONT, WITH BEST COVERAGE EXPECTED NORTH
OF THE CITY. MORE WIDESPREAD SHOWERS AND POSSIBLE THUNDERSTORMS
ARE THEN EXPECTED WITH THE APPROACH AND PASSAGE OF A COLD FRONT
FRIDAY NIGHT INTO SATURDAY.
MINIMUM RH LEVELS ARE EXPECTED TO BE BETWEEN 25 AND 35 PERCENT
NORTH OF INTERSTATE 80 THIS AFTERNOON, WITH DRY AIR IN PLACE NORTH
OF THE STALLED FRONT. TO THE SOUTH OF THE BOUNDARY TOMORROW,
MINIMUM RH MAY RANGE FROM 30 TO 40 PERCENT. WIND GUSTS SHOULD
REMAIN AT 15 MPH OR LESS THROUGH FRIDAY.
OHZ039-240830-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 80 50
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 55 (+2) 81 (+3) 55 67
RH % (24H TREND) 83 (-17) 36 (-13) 94 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.00 0.00 0.24 0.06
PRECIP DURATION 6 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2290 1020
MIXING HGT(FT-AGL/MSL) 7520 3360
TRANSPORT WND (MPH) W 17 NW 17
VENT RATE (KT-FT) 112800 50400
CATEGORY DAY 5 4
INVERSION 8PM 69F/10AM 7PM 60F/5AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 92 GOOD 10 POOR 54 GEN GOOD
MAX ADI LATE 4 VERY POOR 132 VERY GOOD10 POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-240830-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 80 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 55 (+2) 80 (+3) 55 66
RH % (24H TREND) 84 (-16) 36 (-12) 92 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR NW 9
PRECIP AMOUNT 0.01 0.00 0.23 0.10
PRECIP DURATION 0 5 3
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 10 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2370 940
MIXING HGT(FT-AGL/MSL) 7770 3080
TRANSPORT WND (MPH) W 17 W 18
VENT RATE (KT-FT) 116550 49280
CATEGORY DAY 5 3
INVERSION 7PM 69F/10AM 7PM 60F/4AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 89 GOOD 8 POOR 56 GEN GOOD
MAX ADI LATE 4 VERY POOR 134 VERY GOOD11 POOR 57 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-240830-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 80 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 55 (+1) 80 (+2) 55 66
RH % (24H TREND) 85 (-15) 36 (-9) 92 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR NW 9
PRECIP AMOUNT 0.00 0.00 0.25 0.12
PRECIP DURATION 0 6 4
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 10 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2330 950
MIXING HGT(FT-AGL/MSL) 7640 3100
TRANSPORT WND (MPH) W 16 W 20
VENT RATE (KT-FT) 106960 52700
CATEGORY DAY 5 4
INVERSION 8PM 70F/10AM 7PM 60F/5AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 106 VERY GOOD8 POOR 58 GEN GOOD
MAX ADI LATE 5 VERY POOR 127 VERY GOOD10 POOR 60 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-240830-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 80 50
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 54 (0) 81 (+3) 56 68
RH % (24H TREND) 84 (-15) 38 (-10) 96 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.00 0.21 0.04
PRECIP DURATION 6 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2150 1100
MIXING HGT(FT-AGL/MSL) 7040 3620
TRANSPORT WND (MPH) SW 20 NW 17
VENT RATE (KT-FT) 119680 54300
CATEGORY DAY 5 4
INVERSION 7PM 69F/10AM 7PM 59F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 78 GOOD 12 POOR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 143 VERY GOOD7 POOR 63 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-240830-
HARRISON-
INCLUDING THE CITY OF CADIZ
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 80 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 55 (+2) 81 (+3) 57 69
RH % (24H TREND) 84 (-16) 34 (-11) 92 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR NW 8
PRECIP AMOUNT 0.01 0.00 0.17 0.09
PRECIP DURATION 1 5 3
PRECIP BEGIN 6 PM 7 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2440 1050
MIXING HGT(FT-AGL/MSL) 8020 3430
TRANSPORT WND (MPH) W 17 NW 16
VENT RATE (KT-FT) 120300 48020
CATEGORY DAY 5 3
INVERSION 8PM 69F/10AM 7PM 60F/5AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 101 VERY GOOD8 POOR 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 141 VERY GOOD9 POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-240830-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 80 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 56 (+2) 81 (+3) 58 69
RH % (24H TREND) 83 (-16) 32 (-13) 90 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR NW 9
PRECIP AMOUNT 0.00 0.00 0.15 0.12
PRECIP DURATION 1 5 4
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2470 1060
MIXING HGT(FT-AGL/MSL) 8090 3470
TRANSPORT WND (MPH) W 16 NW 17
VENT RATE (KT-FT) 113260 52050
CATEGORY DAY 5 4
INVERSION 8PM 70F/10AM 8PM 60F/5AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 114 VERY GOOD8 POOR 50 GEN GOOD
MAX ADI LATE 4 VERY POOR 131 VERY GOOD9 POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-240830-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 80 50
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 54 (-2) 81 (+2) 57 71
RH % (24H TREND) 81 (-18) 36 (-9) 95 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR NW 7
PRECIP AMOUNT 0.00 0.00 0.11 0.04
PRECIP DURATION 5 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2190 1400
MIXING HGT(FT-AGL/MSL) 7190 4580
TRANSPORT WND (MPH) SW 18 NW 17
VENT RATE (KT-FT) 115040 68700
CATEGORY DAY 5 4
INVERSION 7PM 70F/10AM 7PM 59F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 80 GOOD 12 POOR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 145 VERY GOOD6 VERY POOR 88 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 4 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-240830-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 80 50
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 55 (-1) 82 (+3) 58 71
RH % (24H TREND) 83 (-17) 34 (-11) 94 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR NW 7
PRECIP AMOUNT 0.01 0.00 0.10 0.07
PRECIP DURATION 0 5 2
PRECIP BEGIN 6 PM 7 PM CONTINUING
PRECIP END 10 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2280 1290
MIXING HGT(FT-AGL/MSL) 7500 4230
TRANSPORT WND (MPH) W 17 NW 17
VENT RATE (KT-FT) 112500 63450
CATEGORY DAY 5 4
INVERSION 8PM 70F/10AM 7PM 60F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 102 VERY GOOD9 POOR 50 GEN GOOD
MAX ADI LATE 4 VERY POOR 144 VERY GOOD7 POOR 71 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-240830-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 70 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 55 (-1) 81 (+2) 58 71
RH % (24H TREND) 83 (-13) 33 (-12) 94 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR NW 8
PRECIP AMOUNT 0.01 0.00 0.12 0.11
PRECIP DURATION 1 4 4
PRECIP BEGIN 6 PM 7 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2430 1280
MIXING HGT(FT-AGL/MSL) 7960 4190
TRANSPORT WND (MPH) W 17 NW 17
VENT RATE (KT-FT) 119400 62850
CATEGORY DAY 5 4
INVERSION 7PM 70F/10AM 7PM 60F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 111 VERY GOOD8 POOR 53 GEN GOOD
MAX ADI LATE 4 VERY POOR 137 VERY GOOD8 POOR 64 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-240830-
NOBLE-
INCLUDING THE CITY OF CALDWELL
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 70 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 54 (-2) 82 (+3) 57 73
RH % (24H TREND) 85 (-15) 33 (-11) 96 53
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR NW 7
PRECIP AMOUNT 0.02 0.00 0.11 0.08
PRECIP DURATION 0 5 3
PRECIP BEGIN 6 PM 7 PM CONTINUING
PRECIP END 10 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 2310 1470
MIXING HGT(FT-AGL/MSL) 7580 4840
TRANSPORT WND (MPH) W 16 NW 17
VENT RATE (KT-FT) 106120 72600
CATEGORY DAY 5 4
INVERSION 7PM 69F/10AM 7PM 60F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 84 GOOD 10 POOR 45 GEN GOOD
MAX ADI LATE 4 VERY POOR 132 VERY GOOD8 POOR 89 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-240830-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 70 60
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 55 (-1) 82 (+3) 58 73
RH % (24H TREND) 85 (-13) 33 (-10) 95 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR NW 7
PRECIP AMOUNT 0.02 0.00 0.11 0.10
PRECIP DURATION 1 4 4
PRECIP BEGIN 6 PM 8 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2490 1600
MIXING HGT(FT-AGL/MSL) 8180 5240
TRANSPORT WND (MPH) W 17 NW 16
VENT RATE (KT-FT) 122700 73360
CATEGORY DAY 5 4
INVERSION 8PM 69F/10AM 8PM 61F/5AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 88 GOOD 7 POOR 43 GEN GOOD
MAX ADI LATE 4 VERY POOR 141 VERY GOOD8 POOR 95 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-240830-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 80 70
CHANCE OF THUNDER (%) 0 20 30 0
TEMP (24H TREND) 53 (+3) 79 (+3) 52 64
RH % (24H TREND) 88 (-2) 41 (+1) 98 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR NW 9
PRECIP AMOUNT 0.00 0.02 0.27 0.19
PRECIP DURATION 0 6 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2130 850
MIXING HGT(FT-AGL/MSL) 6990 2780
TRANSPORT WND (MPH) W 14 NW 17
VENT RATE (KT-FT) 83880 41700
CATEGORY DAY 4 3
INVERSION 7PM 68F/10AM 7PM 58F/5AM
DISPERSION 4 3
MAX ADI EARLY 3 VERY POOR 42 GEN GOOD 5 VERY POOR 45 GEN GOOD
MAX ADI LATE 4 VERY POOR 105 VERY GOOD10 POOR 48 GEN GOOD
MAX LVORI EARLY 3 5 5 5
MAX LVORI LATE 6 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-240830-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 80 80
CHANCE OF THUNDER (%) 0 30 30 20
TEMP (24H TREND) 51 (+3) 78 (+2) 51 63
RH % (24H TREND) 88 (+6) 42 (+8) 100 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.06 0.30 0.24
PRECIP DURATION 1 5 8
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2120 860
MIXING HGT(FT-AGL/MSL) 6970 2830
TRANSPORT WND (MPH) W 14 NW 15
VENT RATE (KT-FT) 83640 36790
CATEGORY DAY 4 3
INVERSION 7PM 65F/10AM 7PM 56F/6AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 37 FAIR 4 VERY POOR 37 FAIR
MAX ADI LATE 3 VERY POOR 106 VERY GOOD9 POOR 44 GEN GOOD
MAX LVORI EARLY 3 5 5 5
MAX LVORI LATE 6 1 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-240830-
FOREST-
INCLUDING THE CITY OF TIONESTA
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 80
CHANCE OF THUNDER (%) 0 30 30 20
TEMP (24H TREND) 48 (+2) 77 (+3) 50 60
RH % (24H TREND) 85 (-1) 44 (+16) 97 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SE 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 6
PRECIP AMOUNT 0.00 0.07 0.34 0.36
PRECIP DURATION 1 4 9
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1730 820
MIXING HGT(FT-AGL/MSL) 5670 2700
TRANSPORT WND (MPH) W 13 W 12
VENT RATE (KT-FT) 62370 27000
CATEGORY DAY 4 3
INVERSION 8PM 63F/10AM 7PM 53F/7AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 31 FAIR 4 VERY POOR 25 FAIR
MAX ADI LATE 3 VERY POOR 89 GOOD 11 POOR 35 FAIR
MAX LVORI EARLY 3 5 5 5
MAX LVORI LATE 5 1 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-240830-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 80 80
CHANCE OF THUNDER (%) 0 0 30 0
TEMP (24H TREND) 54 (+1) 81 (+3) 55 66
RH % (24H TREND) 89 (-8) 36 (-5) 96 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.00 0.25 0.16
PRECIP DURATION 5 5
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2260 970
MIXING HGT(FT-AGL/MSL) 7410 3170
TRANSPORT WND (MPH) W 15 NW 17
VENT RATE (KT-FT) 96330 47550
CATEGORY DAY 4 3
INVERSION 8PM 70F/10AM 7PM 59F/5AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 80 GOOD 6 VERY POOR 54 GEN GOOD
MAX ADI LATE 4 VERY POOR 131 VERY GOOD10 POOR 57 GEN GOOD
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-240830-
BUTLER-
INCLUDING THE CITY OF BUTLER
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 80
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 53 (0) 80 (+3) 54 65
RH % (24H TREND) 94 (+3) 39 (-3) 99 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.03 0.28 0.22
PRECIP DURATION 1 5 7
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2360 930
MIXING HGT(FT-AGL/MSL) 7730 3040
TRANSPORT WND (MPH) W 15 NW 17
VENT RATE (KT-FT) 100490 45600
CATEGORY DAY 5 3
INVERSION 8PM 68F/10AM 7PM 58F/6AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 76 GOOD 6 VERY POOR 48 GEN GOOD
MAX ADI LATE 4 VERY POOR 131 VERY GOOD9 POOR 55 GEN GOOD
MAX LVORI EARLY 4 5 4 5
MAX LVORI LATE 6 1 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-240830-
CLARION-
INCLUDING THE CITY OF CLARION
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 80
CHANCE OF THUNDER (%) 0 40 30 20
TEMP (24H TREND) 51 (+2) 78 (+3) 52 63
RH % (24H TREND) 89 (+7) 40 (+7) 96 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 8
PRECIP AMOUNT 0.00 0.05 0.30 0.30
PRECIP DURATION 1 5 9
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2110 920
MIXING HGT(FT-AGL/MSL) 6940 3020
TRANSPORT WND (MPH) W 15 NW 14
VENT RATE (KT-FT) 90220 36240
CATEGORY DAY 4 3
INVERSION 7PM 65F/10AM 7PM 56F/7AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 37 FAIR 5 VERY POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 113 VERY GOOD9 POOR 47 GEN GOOD
MAX LVORI EARLY 3 5 5 5
MAX LVORI LATE 5 1 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-240830-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 80 80
CHANCE OF THUNDER (%) 0 40 30 20
TEMP (24H TREND) 50 (+1) 76 (+2) 51 61
RH % (24H TREND) 86 (+6) 41 (+11) 92 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SE 7
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR SW 9
PRECIP AMOUNT 0.00 0.16 0.34 0.44
PRECIP DURATION 1 4 11
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1640 790
MIXING HGT(FT-AGL/MSL) 5390 2590
TRANSPORT WND (MPH) W 15 NW 12
VENT RATE (KT-FT) 70070 25900
CATEGORY DAY 4 2
INVERSION 7PM 64F/10AM 7PM 55F/7AM
DISPERSION 4 2
MAX ADI EARLY 5 VERY POOR 31 FAIR 5 VERY POOR 27 FAIR
MAX ADI LATE 3 VERY POOR 90 GOOD 10 POOR 31 FAIR
MAX LVORI EARLY 3 5 4 5
MAX LVORI LATE 5 1 5 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-240830-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 80 80
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 56 (0) 81 (+3) 58 67
RH % (24H TREND) 87 (-10) 34 (-8) 91 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.00 0.24 0.17
PRECIP DURATION 1 5 5
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2470 960
MIXING HGT(FT-AGL/MSL) 8110 3160
TRANSPORT WND (MPH) W 15 NW 17
VENT RATE (KT-FT) 105430 47400
CATEGORY DAY 5 3
INVERSION 8PM 65F/9AM 8PM 60F/6AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 105 VERY GOOD6 VERY POOR 51 GEN GOOD
MAX ADI LATE 4 VERY POOR 143 VERY GOOD8 POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-240830-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 20 80 80
CHANCE OF THUNDER (%) 20 20 20 20
TEMP (24H TREND) 56 (0) 81 (+3) 58 69
RH % (24H TREND) 91 (-2) 34 (-9) 92 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.01 0.12 0.22
PRECIP DURATION 1 0 3 7
PRECIP BEGIN 6 PM 2 PM CONTINUING CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2450 1130
MIXING HGT(FT-AGL/MSL) 8030 3700
TRANSPORT WND (MPH) W 16 W 17
VENT RATE (KT-FT) 112420 55500
CATEGORY DAY 5 4
INVERSION 8PM 70F/10AM 8PM 60F/6AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 101 VERY GOOD8 POOR 50 GEN GOOD
MAX ADI LATE 4 VERY POOR 138 VERY GOOD9 POOR 58 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-240830-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 80 80
CHANCE OF THUNDER (%) 0 30 30 20
TEMP (24H TREND) 53 (0) 80 (+3) 55 67
RH % (24H TREND) 96 (-1) 39 (-1) 97 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR W 7
PRECIP AMOUNT 0.00 0.03 0.26 0.28
PRECIP DURATION 1 4 9
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2390 930
MIXING HGT(FT-AGL/MSL) 7830 3050
TRANSPORT WND (MPH) W 16 NW 15
VENT RATE (KT-FT) 109620 39650
CATEGORY DAY 5 3
INVERSION 7PM 67F/10AM 7PM 58F/7AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 62 GOOD 5 VERY POOR 47 GEN GOOD
MAX ADI LATE 3 VERY POOR 138 VERY GOOD8 POOR 52 GEN GOOD
MAX LVORI EARLY 3 6 4 5
MAX LVORI LATE 7 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-240830-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 70 70
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 55 (-1) 81 (+4) 58 70
RH % (24H TREND) 88 (-8) 35 (-12) 90 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.00 0.09 0.18
PRECIP DURATION 1 4 7
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2460 1480
MIXING HGT(FT-AGL/MSL) 8070 4850
TRANSPORT WND (MPH) W 17 W 18
VENT RATE (KT-FT) 121050 77600
CATEGORY DAY 5 4
INVERSION 7PM 70F/10AM 7PM 60F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 121 VERY GOOD6 VERY POOR 51 GEN GOOD
MAX ADI LATE 4 VERY POOR 137 VERY GOOD9 POOR 71 GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-240830-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 70 70
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 54 (-1) 81 (+4) 58 70
RH % (24H TREND) 90 (-5) 36 (-12) 91 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.05 0.18
PRECIP DURATION 1 3 8
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2560 1720
MIXING HGT(FT-AGL/MSL) 8410 5650
TRANSPORT WND (MPH) W 17 W 17
VENT RATE (KT-FT) 126150 84750
CATEGORY DAY 5 4
INVERSION 7PM 63F/9AM 8PM 61F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 131 VERY GOOD6 VERY POOR 47 GEN GOOD
MAX ADI LATE 4 VERY POOR 156 VERY GOOD8 POOR 77 GOOD
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-240830-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 30 80 80
CHANCE OF THUNDER (%) 20 30 20 20
TEMP (24H TREND) 54 (-1) 80 (+3) 57 69
RH % (24H TREND) 95 (-2) 37 (-8) 95 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.03 0.11 0.28
PRECIP DURATION 0 1 3 9
PRECIP BEGIN 6 PM 1 PM CONTINUING CONTINUING
PRECIP END 10 PM CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2440 1120
MIXING HGT(FT-AGL/MSL) 7990 3680
TRANSPORT WND (MPH) W 17 W 17
VENT RATE (KT-FT) 119850 55200
CATEGORY DAY 5 4
INVERSION 7PM 69F/10AM 7PM 60F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 65 GOOD 8 POOR 53 GEN GOOD
MAX ADI LATE 4 VERY POOR 136 VERY GOOD8 POOR 60 GEN GOOD
MAX LVORI EARLY 4 5 3 5
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-240830-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 70 80
CHANCE OF THUNDER (%) 0 30 20 30
TEMP (24H TREND) 56 (+1) 80 (+6) 55 68
RH % (24H TREND) 86 (-3) 37 (-6) 90 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.03 0.10 0.35
PRECIP DURATION 1 3 11
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2180 1040
MIXING HGT(FT-AGL/MSL) 7150 3420
TRANSPORT WND (MPH) W 18 W 18
VENT RATE (KT-FT) 114400 54720
CATEGORY DAY 5 4
INVERSION 7PM 64F/9AM 7PM 59F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 68 GOOD 8 POOR 48 GEN GOOD
MAX ADI LATE 5 VERY POOR 132 VERY GOOD7 POOR 59 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-240830-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 80 80
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 55 (0) 80 (+4) 58 70
RH % (24H TREND) 92 (-3) 36 (-13) 91 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.05 0.23
PRECIP DURATION 1 3 10
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2470 1430
MIXING HGT(FT-AGL/MSL) 8110 4700
TRANSPORT WND (MPH) W 17 W 17
VENT RATE (KT-FT) 121650 70500
CATEGORY DAY 5 4
INVERSION 7PM 63F/9AM 7PM 60F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 68 GOOD 5 VERY POOR 55 GEN GOOD
MAX ADI LATE 4 VERY POOR 146 VERY GOOD8 POOR 69 GOOD
MAX LVORI EARLY 4 5 3 5
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-240830-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 20 70 80
CHANCE OF THUNDER (%) 20 20 20 30
TEMP (24H TREND) 53 (0) 78 (+5) 55 67
RH % (24H TREND) 87 (-9) 36 (-12) 92 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.01 0.06 0.30
PRECIP DURATION 1 1 2 11
PRECIP BEGIN 6 PM 1 PM CONTINUING CONTINUING
PRECIP END 10 PM CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2260 1250
MIXING HGT(FT-AGL/MSL) 7410 4090
TRANSPORT WND (MPH) W 18 W 18
VENT RATE (KT-FT) 118560 65440
CATEGORY DAY 5 4
INVERSION 7PM 66F/10AM 7PM 58F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 85 GOOD 6 VERY POOR 53 GEN GOOD
MAX ADI LATE 4 VERY POOR 152 VERY GOOD7 POOR 67 GOOD
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-240830-
INDIANA-
INCLUDING THE CITY OF INDIANA
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 80
CHANCE OF THUNDER (%) 0 40 30 30
TEMP (24H TREND) 53 (-1) 79 (+3) 54 66
RH % (24H TREND) 94 (+1) 39 (0) 95 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 8
PRECIP AMOUNT 0.00 0.06 0.20 0.36
PRECIP DURATION 1 4 11
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2330 980
MIXING HGT(FT-AGL/MSL) 7630 3220
TRANSPORT WND (MPH) W 17 W 16
VENT RATE (KT-FT) 114450 45080
CATEGORY DAY 5 3
INVERSION 7PM 67F/10AM 7PM 58F/8AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 49 GEN GOOD 8 POOR 50 GEN GOOD
MAX ADI LATE 3 VERY POOR 128 VERY GOOD8 POOR 53 GEN GOOD
MAX LVORI EARLY 3 5 4 5
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-240830-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 80
CHANCE OF THUNDER (%) 0 40 30 30
TEMP (24H TREND) 55 (0) 79 (+5) 55 65
RH % (24H TREND) 88 (-3) 38 (-1) 91 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 9
PRECIP AMOUNT 0.00 0.05 0.16 0.40
PRECIP DURATION 1 3 11
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2090 900
MIXING HGT(FT-AGL/MSL) 6860 2950
TRANSPORT WND (MPH) W 17 W 16
VENT RATE (KT-FT) 102900 41300
CATEGORY DAY 5 3
INVERSION 7PM 67F/10AM 7PM 59F/9AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 48 GEN GOOD 7 POOR 45 GEN GOOD
MAX ADI LATE 4 VERY POOR 123 VERY GOOD8 POOR 50 GEN GOOD
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-240830-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS SHOWERS
CHANCE PRECIP (%) 20 0 80 70
CHANCE OF THUNDER (%) 20 0 20 0
TEMP (24H TREND) 57 (+2) 81 (+3) 58 68
RH % (24H TREND) 83 (-17) 33 (-11) 89 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.00 0.19 0.16
PRECIP DURATION 1 5 5
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2460 1020
MIXING HGT(FT-AGL/MSL) 8060 3330
TRANSPORT WND (MPH) W 15 NW 16
VENT RATE (KT-FT) 104780 46620
CATEGORY DAY 5 3
INVERSION 8PM 64F/9AM 8PM 61F/4AM
DISPERSION 5 3
MAX ADI EARLY 5 VERY POOR 122 VERY GOOD7 POOR 51 GEN GOOD
MAX ADI LATE 4 VERY POOR 138 VERY GOOD10 POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-240830-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 80 70
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 57 (0) 81 (+3) 60 69
RH % (24H TREND) 82 (-14) 32 (-12) 88 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.00 0.11 0.13
PRECIP DURATION 1 4 5
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2490 1240
MIXING HGT(FT-AGL/MSL) 8180 4060
TRANSPORT WND (MPH) W 16 W 17
VENT RATE (KT-FT) 114520 60900
CATEGORY DAY 5 4
INVERSION 8PM 64F/9AM 8PM 61F/6AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 117 VERY GOOD7 POOR 48 GEN GOOD
MAX ADI LATE 4 VERY POOR 131 VERY GOOD10 POOR 61 GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-240830-
OHIO-
INCLUDING THE CITY OF WHEELING
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 70 70
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 56 (-1) 81 (+3) 59 69
RH % (24H TREND) 84 (-11) 33 (-13) 91 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR NW 8
PRECIP AMOUNT 0.00 0.00 0.12 0.13
PRECIP DURATION 1 4 5
PRECIP BEGIN 6 PM 7 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2480 1290
MIXING HGT(FT-AGL/MSL) 8150 4250
TRANSPORT WND (MPH) W 17 NW 18
VENT RATE (KT-FT) 122250 68000
CATEGORY DAY 5 4
INVERSION 7PM 70F/10AM 8PM 61F/7AM
DISPERSION 5 4
MAX ADI EARLY 4 VERY POOR 118 VERY GOOD8 POOR 51 GEN GOOD
MAX ADI LATE 4 VERY POOR 141 VERY GOOD9 POOR 69 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-240830-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 70 70
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 56 (0) 81 (+3) 60 72
RH % (24H TREND) 83 (-8) 34 (-13) 91 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 7
PRECIP AMOUNT 0.00 0.00 0.08 0.14
PRECIP DURATION 1 3 6
PRECIP BEGIN 6 PM 8 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2550 1620
MIXING HGT(FT-AGL/MSL) 8380 5300
TRANSPORT WND (MPH) W 17 NW 17
VENT RATE (KT-FT) 125700 79500
CATEGORY DAY 5 4
INVERSION 7PM 63F/9AM 8PM 61F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 103 VERY GOOD7 POOR 46 GEN GOOD
MAX ADI LATE 4 VERY POOR 142 VERY GOOD8 POOR 71 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-240830-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 70 70
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 56 (+1) 81 (+3) 59 71
RH % (24H TREND) 84 (-10) 35 (-12) 92 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 6
PRECIP AMOUNT 0.03 0.00 0.05 0.14
PRECIP DURATION 1 3 7
PRECIP BEGIN 6 PM 9 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2640 1700
MIXING HGT(FT-AGL/MSL) 8650 5580
TRANSPORT WND (MPH) W 17 NW 16
VENT RATE (KT-FT) 129750 78120
CATEGORY DAY 5 4
INVERSION 8PM 62F/9AM 8PM 61F/6AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 90 GOOD 6 VERY POOR 43 GEN GOOD
MAX ADI LATE 4 VERY POOR 154 VERY GOOD8 POOR 100 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-240830-
MARION-
INCLUDING THE CITY OF FAIRMONT
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 70 80
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 54 (0) 80 (+3) 58 71
RH % (24H TREND) 90 (-9) 37 (-11) 95 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.04 0.17
PRECIP DURATION 1 3 9
PRECIP BEGIN 6 PM 9 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2640 1720
MIXING HGT(FT-AGL/MSL) 8660 5650
TRANSPORT WND (MPH) W 17 W 16
VENT RATE (KT-FT) 129900 79100
CATEGORY DAY 5 4
INVERSION 8PM 62F/9AM 8PM 59F/7AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 109 VERY GOOD6 VERY POOR 47 GEN GOOD
MAX ADI LATE 3 VERY POOR 161 VERY GOOD6 VERY POOR 102 VERY GOOD
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 6 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-240830-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 30 0 70 80
CHANCE OF THUNDER (%) 30 0 20 20
TEMP (24H TREND) 54 (-1) 80 (+3) 58 71
RH % (24H TREND) 90 (-6) 36 (-12) 92 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.05 0.21
PRECIP DURATION 1 3 9
PRECIP BEGIN 6 PM 8 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2560 1720
MIXING HGT(FT-AGL/MSL) 8410 5660
TRANSPORT WND (MPH) W 17 W 17
VENT RATE (KT-FT) 126150 84900
CATEGORY DAY 5 4
INVERSION 7PM 62F/9AM 8PM 60F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 108 VERY GOOD5 VERY POOR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 157 VERY GOOD6 VERY POOR 73 GOOD
MAX LVORI EARLY 3 5 3 5
MAX LVORI LATE 5 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-240830-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 30 0 70 80
CHANCE OF THUNDER (%) 30 0 20 20
TEMP (24H TREND) 53 (+1) 77 (+4) 56 68
RH % (24H TREND) 87 (-5) 36 (-13) 92 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.05 0.29
PRECIP DURATION 1 2 11
PRECIP BEGIN 6 PM 9 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2310 1360
MIXING HGT(FT-AGL/MSL) 7580 4470
TRANSPORT WND (MPH) W 17 W 18
VENT RATE (KT-FT) 113700 71520
CATEGORY DAY 5 4
INVERSION 7PM 66F/10AM 7PM 59F/9AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 91 GOOD 5 VERY POOR 48 GEN GOOD
MAX ADI LATE 4 VERY POOR 154 VERY GOOD6 VERY POOR 70 GOOD
MAX LVORI EARLY 3 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-240830-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 30 0 70 80
CHANCE OF THUNDER (%) 30 0 20 30
TEMP (24H TREND) 53 (+1) 78 (+4) 56 69
RH % (24H TREND) 88 (-5) 37 (-11) 93 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.04 0.26
PRECIP DURATION 1 2 11
PRECIP BEGIN 6 PM 9 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2400 1490
MIXING HGT(FT-AGL/MSL) 7880 4900
TRANSPORT WND (MPH) W 18 W 18
VENT RATE (KT-FT) 126080 78400
CATEGORY DAY 5 4
INVERSION 8PM 61F/9AM 8PM 58F/8AM
DISPERSION 5 4
MAX ADI EARLY 5 VERY POOR 99 GOOD 6 VERY POOR 53 GEN GOOD
MAX ADI LATE 4 VERY POOR 165 VERY GOOD5 VERY POOR 73 GOOD
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-240830-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 60 80
CHANCE OF THUNDER (%) 20 0 20 30
TEMP (24H TREND) 53 (+1) 76 (+4) 55 67
RH % (24H TREND) 85 (-9) 37 (-14) 93 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.04 0.29
PRECIP DURATION 1 2 11
PRECIP BEGIN 6 PM 10 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2280 1410
MIXING HGT(FT-AGL/MSL) 7470 4610
TRANSPORT WND (MPH) W 20 W 20
VENT RATE (KT-FT) 126990 78370
CATEGORY DAY 5 4
INVERSION 7PM 65F/10AM 7PM 57F/8AM
DISPERSION 5 4
MAX ADI EARLY 7 POOR 105 VERY GOOD7 POOR 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 148 VERY GOOD7 POOR 77 GOOD
MAX LVORI EARLY 4 4 3 5
MAX LVORI LATE 5 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-240830-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 30 0 60 80
CHANCE OF THUNDER (%) 30 0 20 20
TEMP (24H TREND) 53 (+1) 78 (+5) 55 69
RH % (24H TREND) 83 (-10) 35 (-11) 91 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 6 LGT/VAR W 6
PRECIP AMOUNT 0.01 0.00 0.04 0.27
PRECIP DURATION 1 2 11
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2370 1490
MIXING HGT(FT-AGL/MSL) 7770 4900
TRANSPORT WND (MPH) W 18 W 20
VENT RATE (KT-FT) 124320 83300
CATEGORY DAY 5 4
INVERSION 7PM 60F/9AM 8PM 57F/7AM
DISPERSION 5 4
MAX ADI EARLY 8 POOR 127 VERY GOOD6 VERY POOR 53 GEN GOOD
MAX ADI LATE 4 VERY POOR 158 VERY GOOD5 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-240830-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
117 PM EDT THU APR 23 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS NONE SHOWERS TSTMS
CHANCE PRECIP (%) 30 0 50 80
CHANCE OF THUNDER (%) 20 0 0 20
TEMP (24H TREND) 51 (0) 74 (+5) 52 66
RH % (24H TREND) 84 (-10) 39 (-13) 91 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G18
WIND 20FT/LATE(MPH) LGT/VAR W 7 G20 LGT/VAR W 7 G18
PRECIP AMOUNT 0.00 0.00 0.02 0.29
PRECIP DURATION 1 1 11
PRECIP BEGIN 6 PM 6 PM CONTINUING
PRECIP END 11 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 2250 1380
MIXING HGT(FT-AGL/MSL) 7380 4530
TRANSPORT WND (MPH) W 20 NW 21
VENT RATE (KT-FT) 125460 81540
CATEGORY DAY 5 4
INVERSION 8PM 60F/9AM 8PM 56F/8AM
DISPERSION 5 4
MAX ADI EARLY 9 POOR 142 VERY GOOD7 POOR 56 GEN GOOD
MAX ADI LATE 5 VERY POOR 147 VERY GOOD9 POOR 96 GOOD
MAX LVORI EARLY 4 4 3 4
MAX LVORI LATE 4 1 4 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. NORTH WINDS AROUND 5 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
60S. SOUTH WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. WEST WINDS 10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. WEST WINDS 10 TO 15 MPH.
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