385
FNUS51 KPBZ 202204
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
604 PM EDT MON APR 20 2026
DISCUSSION
MIN RH VALUES ARE EXPECTED TO RANGE FROM 25 TO 35 PERCENT ON
TUESDAY. WINDS WILL BE SOUTHWESTERLY, WITH GUSTS UP TO 20MPH AT
TIMES. SHOWER AND STORM CHANCES RETURN WITH A TUESDAY NIGHT AND
WEDNESDAY COLD FRONT.
OHZ039-210815-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 27 (-5) 69 (+22) 54 70
RH % (24H TREND) 67 (-22) 32 (+3) 81 55
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G17 SW 7 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.13 0.08
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1520 1310
MIXING HGT(FT-AGL/MSL) 5000 4310
TRANSPORT WND (MPH) SW 26 NW 12
VENT RATE (KT-FT) 137770 53420
CATEGORY DAY 5 3
INVERSION 8PM 41F/9AM 7PM 59F/10AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 59 GEN GOOD 32 FAIR 24 FAIR
MAX ADI LATE 5 VERY POOR 119 VERY GOOD13 GEN POOR 55 GEN GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-210815-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 27 (-4) 67 (+21) 53 69
RH % (24H TREND) 66 (-23) 31 (+1) 79 58
WIND 20FT/EARLY(MPH) LGT/VAR S 7 SW 7 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G19 SW 8 W 7
PRECIP AMOUNT 0.00 0.00 0.11 0.06
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1400 1430
MIXING HGT(FT-AGL/MSL) 4590 4680
TRANSPORT WND (MPH) SW 26 NW 12
VENT RATE (KT-FT) 112100 54260
CATEGORY DAY 5 3
INVERSION 8PM 41F/9AM 7PM 59F/10AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 62 GOOD 33 FAIR 21 FAIR
MAX ADI LATE 5 VERY POOR 103 VERY GOOD15 GEN POOR 61 GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-210815-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 25 (-7) 67 (+22) 53 69
RH % (24H TREND) 69 (-20) 31 (0) 81 57
WIND 20FT/EARLY(MPH) LGT/VAR S 7 SW 7 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 SW 7 NW 7
PRECIP AMOUNT 0.00 0.00 0.06 0.04
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1350 1510
MIXING HGT(FT-AGL/MSL) 4410 4950
TRANSPORT WND (MPH) SW 26 NW 12
VENT RATE (KT-FT) 108850 56640
CATEGORY DAY 5 3
INVERSION 8PM 40F/9AM 7PM 57F/9AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 66 GOOD 16 GEN POOR 23 FAIR
MAX ADI LATE 4 VERY POOR 105 VERY GOOD15 GEN POOR 65 GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-210815-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 30 20
TEMP (24H TREND) 28 (-4) 70 (+22) 54 70
RH % (24H TREND) 67 (-26) 34 (+6) 82 54
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 7 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 SW 6 W 5
PRECIP AMOUNT 0.00 0.00 0.08 0.06
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1680 1350
MIXING HGT(FT-AGL/MSL) 5500 4420
TRANSPORT WND (MPH) SW 28 NW 9
VENT RATE (KT-FT) 150020 47540
CATEGORY DAY 5 3
INVERSION 8PM 42F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 58 GEN GOOD 33 FAIR 28 FAIR
MAX ADI LATE 5 VERY POOR 138 VERY GOOD11 POOR 48 GEN GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-210815-
HARRISON-
INCLUDING THE CITY OF CADIZ
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 27 (-6) 69 (+21) 54 69
RH % (24H TREND) 67 (-22) 29 (+2) 79 54
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 7 W 7
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 SW 8 W 6
PRECIP AMOUNT 0.00 0.00 0.09 0.07
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1490 1480
MIXING HGT(FT-AGL/MSL) 4880 4850
TRANSPORT WND (MPH) SW 25 NW 12
VENT RATE (KT-FT) 120060 64080
CATEGORY DAY 5 3
INVERSION 8PM 41F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 64 GOOD 31 FAIR 29 FAIR
MAX ADI LATE 4 VERY POOR 117 VERY GOOD14 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-210815-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 26 (-7) 68 (+21) 54 69
RH % (24H TREND) 67 (-24) 29 (+1) 78 55
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 7 SW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 SW 8 W 7
PRECIP AMOUNT 0.00 0.00 0.10 0.07
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1440 1340
MIXING HGT(FT-AGL/MSL) 4720 4380
TRANSPORT WND (MPH) SW 24 NW 12
VENT RATE (KT-FT) 111280 60970
CATEGORY DAY 4 3
INVERSION 8PM 41F/9AM 7PM 56F/8AM
DISPERSION 5 5
MAX ADI EARLY 10 POOR 63 GOOD 30 FAIR 27 FAIR
MAX ADI LATE 4 VERY POOR 108 VERY GOOD14 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-210815-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 28 (-6) 72 (+23) 54 70
RH % (24H TREND) 68 (-15) 31 (+4) 78 55
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 7 G18 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.08 0.08
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1840 1360
MIXING HGT(FT-AGL/MSL) 6040 4460
TRANSPORT WND (MPH) SW 29 W 12
VENT RATE (KT-FT) 162370 47930
CATEGORY DAY 5 3
INVERSION 8PM 43F/9AM 7PM 59F/9AM
DISPERSION 5 5
MAX ADI EARLY 5 VERY POOR 56 GEN GOOD 34 FAIR 39 FAIR
MAX ADI LATE 5 VERY POOR 175 VERY GOOD12 POOR 54 GEN GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-210815-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 28 (-6) 71 (+21) 54 70
RH % (24H TREND) 66 (-18) 29 (+2) 77 54
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.08 0.08
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1750 1350
MIXING HGT(FT-AGL/MSL) 5760 4450
TRANSPORT WND (MPH) SW 28 W 10
VENT RATE (KT-FT) 148900 54200
CATEGORY DAY 5 3
INVERSION 8PM 43F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 58 GEN GOOD 35 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 167 VERY GOOD10 POOR 54 GEN GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-210815-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 28 (-7) 69 (+20) 54 69
RH % (24H TREND) 69 (-16) 28 (0) 77 57
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 7 SW 8
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 SW 8 G17 W 7
PRECIP AMOUNT 0.00 0.00 0.08 0.07
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1570 1420
MIXING HGT(FT-AGL/MSL) 5150 4660
TRANSPORT WND (MPH) SW 25 W 13
VENT RATE (KT-FT) 121070 64470
CATEGORY DAY 5 4
INVERSION 8PM 42F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 60 GEN GOOD 28 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 128 VERY GOOD14 GEN POOR 66 GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-210815-
NOBLE-
INCLUDING THE CITY OF CALDWELL
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 29 (-5) 72 (+22) 53 70
RH % (24H TREND) 69 (-16) 29 (+3) 77 57
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G18 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.09 0.13
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1780 1250
MIXING HGT(FT-AGL/MSL) 5860 4110
TRANSPORT WND (MPH) SW 26 W 12
VENT RATE (KT-FT) 149550 45360
CATEGORY DAY 5 3
INVERSION 8PM 43F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 56 GEN GOOD 25 FAIR 38 FAIR
MAX ADI LATE 5 VERY POOR 172 VERY GOOD9 POOR 46 GEN GOOD
MAX LVORI EARLY 2 2 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-210815-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 29 (-7) 71 (+21) 54 70
RH % (24H TREND) 67 (-21) 27 (+1) 76 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 G18 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.07 0.12
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1700 1220
MIXING HGT(FT-AGL/MSL) 5580 4020
TRANSPORT WND (MPH) SW 26 W 12
VENT RATE (KT-FT) 136030 45890
CATEGORY DAY 5 3
INVERSION 8PM 43F/9AM 7PM 57F/8AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 55 GEN GOOD 29 FAIR 32 FAIR
MAX ADI LATE 4 VERY POOR 160 VERY GOOD10 POOR 49 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-210815-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 24 (-5) 65 (+23) 50 68
RH % (24H TREND) 78 (-19) 34 (-2) 87 56
WIND 20FT/EARLY(MPH) LGT/VAR S 7 S 6 W 5
WIND 20FT/LATE(MPH) LGT/VAR S 11 G18 SW 6 NW 7
PRECIP AMOUNT 0.00 0.00 0.07 0.04
PRECIP DURATION 4 3
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1190 1560
MIXING HGT(FT-AGL/MSL) 3910 5110
TRANSPORT WND (MPH) SW 25 NW 13
VENT RATE (KT-FT) 96580 59410
CATEGORY DAY 4 4
INVERSION 8PM 38F/9AM 7PM 56F/9AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 64 GOOD 14 GEN POOR 32 FAIR
MAX ADI LATE 4 VERY POOR 90 GOOD 10 POOR 74 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 4 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-210815-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 23 (-5) 63 (+22) 48 68
RH % (24H TREND) 82 (-15) 35 (0) 89 54
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR S 8 LGT/VAR NW 6
PRECIP AMOUNT 0.00 0.00 0.07 0.04
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1150 1720
MIXING HGT(FT-AGL/MSL) 3780 5660
TRANSPORT WND (MPH) SW 24 NW 14
VENT RATE (KT-FT) 88070 75410
CATEGORY DAY 4 4
INVERSION 8PM 36F/9AM 7PM 55F/9AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 65 GOOD 14 GEN POOR 28 FAIR
MAX ADI LATE 3 VERY POOR 101 VERY GOOD8 POOR 82 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-210815-
FOREST-
INCLUDING THE CITY OF TIONESTA
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 22 (-4) 60 (+21) 46 68
RH % (24H TREND) 82 (-15) 33 (0) 90 50
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08 0.04
PRECIP DURATION 4 3
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1120 1750
MIXING HGT(FT-AGL/MSL) 3660 5730
TRANSPORT WND (MPH) SW 21 NW 14
VENT RATE (KT-FT) 70310 76750
CATEGORY DAY 4 4
INVERSION 8PM 28F/8AM 7PM 56F/10AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 65 GOOD 10 POOR 24 FAIR
MAX ADI LATE 3 VERY POOR 90 GOOD 8 POOR 88 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-210815-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 24 (-7) 67 (+23) 52 70
RH % (24H TREND) 77 (-19) 32 (-1) 86 53
WIND 20FT/EARLY(MPH) LGT/VAR S 5 S 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 SW 5 NW 6
PRECIP AMOUNT 0.00 0.00 0.07 0.04
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1280 1630
MIXING HGT(FT-AGL/MSL) 4210 5340
TRANSPORT WND (MPH) SW 24 NW 13
VENT RATE (KT-FT) 102420 64270
CATEGORY DAY 4 4
INVERSION 8PM 39F/9AM 7PM 60F/10AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 66 GOOD 28 FAIR 25 FAIR
MAX ADI LATE 4 VERY POOR 117 VERY GOOD10 POOR 77 GOOD
MAX LVORI EARLY 3 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.
PAZ014-210815-
BUTLER-
INCLUDING THE CITY OF BUTLER
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 23 (-9) 64 (+21) 49 69
RH % (24H TREND) 81 (-16) 33 (-3) 88 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 8 SW 5 W 6
PRECIP AMOUNT 0.00 0.00 0.08 0.05
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1260 1620
MIXING HGT(FT-AGL/MSL) 4130 5320
TRANSPORT WND (MPH) SW 23 NW 13
VENT RATE (KT-FT) 92570 72110
CATEGORY DAY 4 4
INVERSION 8PM 38F/9AM 7PM 58F/10AM
DISPERSION 5 5
MAX ADI EARLY 10 POOR 60 GEN GOOD 14 GEN POOR 23 FAIR
MAX ADI LATE 3 VERY POOR 107 VERY GOOD9 POOR 77 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-210815-
CLARION-
INCLUDING THE CITY OF CLARION
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 22 (-7) 62 (+22) 48 69
RH % (24H TREND) 81 (-16) 34 (+1) 88 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.05 0.05
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1120 1800
MIXING HGT(FT-AGL/MSL) 3660 5900
TRANSPORT WND (MPH) SW 22 NW 14
VENT RATE (KT-FT) 86040 75110
CATEGORY DAY 4 4
INVERSION 8PM 36F/9AM 7PM 57F/10AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 59 GEN GOOD 10 POOR 22 FAIR
MAX ADI LATE 3 VERY POOR 92 GOOD 8 POOR 89 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 4 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-210815-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 22 (-7) 60 (+20) 46 68
RH % (24H TREND) 77 (-19) 31 (0) 85 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR W 6
PRECIP AMOUNT 0.00 0.00 0.06 0.05
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1180 1810
MIXING HGT(FT-AGL/MSL) 3860 5940
TRANSPORT WND (MPH) SW 20 NW 14
VENT RATE (KT-FT) 71350 79130
CATEGORY DAY 4 4
INVERSION 8PM 36F/9AM 7PM 56F/10AM
DISPERSION 5 5
MAX ADI EARLY 12 POOR 58 GEN GOOD 14 GEN POOR 23 FAIR
MAX ADI LATE 2 VERY POOR 88 GOOD 8 POOR 90 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.
PAZ020-210815-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 26 (-7) 67 (+21) 54 69
RH % (24H TREND) 71 (-19) 29 (-1) 82 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 W 5
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 SW 5 W 6
PRECIP AMOUNT 0.00 0.00 0.07 0.05
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1370 1360
MIXING HGT(FT-AGL/MSL) 4490 4450
TRANSPORT WND (MPH) SW 24 NW 12
VENT RATE (KT-FT) 106190 56050
CATEGORY DAY 4 3
INVERSION 8PM 40F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 65 GOOD 28 FAIR 23 FAIR
MAX ADI LATE 3 VERY POOR 123 VERY GOOD10 POOR 51 GEN GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-210815-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 26 (-8) 67 (+22) 53 69
RH % (24H TREND) 76 (-13) 28 (-5) 81 56
WIND 20FT/EARLY(MPH) N 5 LGT/VAR SW 6 SW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 9 SW 6 W 8
PRECIP AMOUNT 0.00 0.00 0.09 0.09
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1340 1160
MIXING HGT(FT-AGL/MSL) 4390 3790
TRANSPORT WND (MPH) SW 22 NW 12
VENT RATE (KT-FT) 93860 46630
CATEGORY DAY 4 3
INVERSION 8PM 40F/9AM 7PM 57F/8AM
DISPERSION 5 5
MAX ADI EARLY 10 POOR 60 GEN GOOD 27 FAIR 26 FAIR
MAX ADI LATE 3 VERY POOR 100 GOOD 13 GEN POOR 50 GEN GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-210815-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 23 (-10) 64 (+21) 49 69
RH % (24H TREND) 82 (-14) 32 (-3) 89 56
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 SW 5
WIND 20FT/LATE(MPH) LGT/VAR SW 7 SW 5 W 6
PRECIP AMOUNT 0.00 0.00 0.06 0.06
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1220 1580
MIXING HGT(FT-AGL/MSL) 4010 5180
TRANSPORT WND (MPH) SW 21 NW 13
VENT RATE (KT-FT) 86680 74400
CATEGORY DAY 4 4
INVERSION 8PM 37F/9AM 7PM 58F/10AM
DISPERSION 5 5
MAX ADI EARLY 11 POOR 59 GEN GOOD 11 POOR 22 FAIR
MAX ADI LATE 2 VERY POOR 92 GOOD 8 POOR 67 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 4 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-210815-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 26 (-8) 67 (+21) 53 68
RH % (24H TREND) 73 (-17) 29 (-2) 77 58
WIND 20FT/EARLY(MPH) N 5 S 5 SW 7 SW 8
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 SW 8 W 8
PRECIP AMOUNT 0.00 0.00 0.11 0.11
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1400 1170
MIXING HGT(FT-AGL/MSL) 4580 3840
TRANSPORT WND (MPH) SW 22 W 13
VENT RATE (KT-FT) 100410 55130
CATEGORY DAY 4 3
INVERSION 8PM 41F/9AM 7PM 56F/8AM
DISPERSION 5 5
MAX ADI EARLY 11 POOR 59 GEN GOOD 28 FAIR 32 FAIR
MAX ADI LATE 3 VERY POOR 102 VERY GOOD14 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-210815-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 27 (-9) 67 (+20) 53 67
RH % (24H TREND) 76 (-11) 28 (-5) 77 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 SW 6 W 7
PRECIP AMOUNT 0.00 0.00 0.10 0.11
PRECIP DURATION 4 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1540 960
MIXING HGT(FT-AGL/MSL) 5050 3160
TRANSPORT WND (MPH) SW 23 W 13
VENT RATE (KT-FT) 110860 37040
CATEGORY DAY 4 3
INVERSION 8PM 41F/9AM 7PM 56F/8AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 53 GEN GOOD 25 FAIR 37 FAIR
MAX ADI LATE 3 VERY POOR 127 VERY GOOD14 GEN POOR 41 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-210815-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 25 (-10) 66 (+21) 51 68
RH % (24H TREND) 80 (-11) 29 (-7) 84 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 6 SW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 8 SW 6 W 8
PRECIP AMOUNT 0.00 0.00 0.11 0.12
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1270 1010
MIXING HGT(FT-AGL/MSL) 4150 3330
TRANSPORT WND (MPH) SW 20 W 13
VENT RATE (KT-FT) 83710 53830
CATEGORY DAY 4 3
INVERSION 8PM 40F/9AM 7PM 57F/9AM
DISPERSION 5 5
MAX ADI EARLY 22 FAIR 56 GEN GOOD 21 FAIR 29 FAIR
MAX ADI LATE 2 VERY POOR 96 GOOD 13 GEN POOR 45 GEN GOOD
MAX LVORI EARLY 3 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.
PAZ074-210815-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 25 (-8) 65 (+23) 50 67
RH % (24H TREND) 72 (-21) 26 (-9) 80 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 7 G18
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 6 G18 W 7 G18
PRECIP AMOUNT 0.00 0.00 0.13 0.18
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1260 940
MIXING HGT(FT-AGL/MSL) 4140 3090
TRANSPORT WND (MPH) SW 18 W 14
VENT RATE (KT-FT) 71830 44270
CATEGORY DAY 4 3
INVERSION 8PM 39F/9AM 7PM 55F/9AM
DISPERSION 5 5
MAX ADI EARLY 17 GEN POOR 47 GEN GOOD 14 GEN POOR 29 FAIR
MAX ADI LATE 3 VERY POOR 83 GOOD 13 GEN POOR 46 GEN GOOD
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-210815-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 26 (-9) 67 (+21) 52 67
RH % (24H TREND) 78 (-11) 29 (-5) 78 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 SW 6 W 7
PRECIP AMOUNT 0.00 0.00 0.09 0.13
PRECIP DURATION 4 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1390 930
MIXING HGT(FT-AGL/MSL) 4560 3040
TRANSPORT WND (MPH) SW 21 W 12
VENT RATE (KT-FT) 92230 38700
CATEGORY DAY 4 3
INVERSION 8PM 41F/9AM 7PM 56F/7AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 51 GEN GOOD 9 POOR 35 FAIR
MAX ADI LATE 3 VERY POOR 104 VERY GOOD11 POOR 38 FAIR
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-210815-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 24 (-9) 64 (+22) 49 64
RH % (24H TREND) 76 (-20) 28 (-8) 80 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.11 0.17
PRECIP DURATION 1 8
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1250 820
MIXING HGT(FT-AGL/MSL) 4110 2690
TRANSPORT WND (MPH) SW 20 W 14
VENT RATE (KT-FT) 81740 39510
CATEGORY DAY 4 3
INVERSION 8PM 39F/9AM 7PM 53F/8AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 36 FAIR 11 POOR 30 FAIR
MAX ADI LATE 3 VERY POOR 91 GOOD 12 POOR 37 FAIR
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-210815-
INDIANA-
INCLUDING THE CITY OF INDIANA
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 23 (-10) 63 (+21) 49 68
RH % (24H TREND) 79 (-15) 29 (-6) 86 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 SW 5 W 8
PRECIP AMOUNT 0.00 0.00 0.08 0.07
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1200 1250
MIXING HGT(FT-AGL/MSL) 3950 4100
TRANSPORT WND (MPH) SW 18 W 13
VENT RATE (KT-FT) 69990 64720
CATEGORY DAY 4 3
INVERSION 8PM 38F/9AM 7PM 57F/10AM
DISPERSION 5 5
MAX ADI EARLY 24 FAIR 52 GEN GOOD 21 FAIR 21 FAIR
MAX ADI LATE 2 VERY POOR 85 GOOD 9 POOR 49 GEN GOOD
MAX LVORI EARLY 3 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.
PAZ078-210815-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 24 (-9) 63 (+22) 49 68
RH % (24H TREND) 74 (-20) 27 (-7) 83 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR S 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 SW 6 W 8
PRECIP AMOUNT 0.00 0.00 0.11 0.10
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1220 940
MIXING HGT(FT-AGL/MSL) 3990 3090
TRANSPORT WND (MPH) SW 15 W 14
VENT RATE (KT-FT) 57930 40090
CATEGORY DAY 4 3
INVERSION 8PM 38F/9AM 7PM 56F/10AM
DISPERSION 5 5
MAX ADI EARLY 25 FAIR 48 GEN GOOD 23 FAIR 23 FAIR
MAX ADI LATE 2 VERY POOR 82 GOOD 10 POOR 48 GEN 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.
WVZ001-210815-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 27 (-5) 67 (+21) 54 69
RH % (24H TREND) 66 (-24) 29 (0) 79 55
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 W 6
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.07 0.06
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1460 1170
MIXING HGT(FT-AGL/MSL) 4790 3850
TRANSPORT WND (MPH) SW 25 NW 9
VENT RATE (KT-FT) 110130 43350
CATEGORY DAY 5 3
INVERSION 8PM 40F/9AM 7PM 56F/8AM
DISPERSION 5 5
MAX ADI EARLY 10 POOR 63 GOOD 31 FAIR 24 FAIR
MAX ADI LATE 3 VERY POOR 134 VERY GOOD13 GEN POOR 41 GEN GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-210815-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 28 (-6) 68 (+21) 55 69
RH % (24H TREND) 66 (-27) 27 (-1) 77 54
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 7 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 SW 8 W 7
PRECIP AMOUNT 0.00 0.00 0.13 0.09
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1480 1300
MIXING HGT(FT-AGL/MSL) 4860 4260
TRANSPORT WND (MPH) SW 24 NW 12
VENT RATE (KT-FT) 109140 51010
CATEGORY DAY 5 3
INVERSION 8PM 41F/9AM 7PM 57F/8AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 60 GEN GOOD 28 FAIR 32 FAIR
MAX ADI LATE 4 VERY POOR 131 VERY GOOD14 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-210815-
OHIO-
INCLUDING THE CITY OF WHEELING
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 27 (-7) 68 (+20) 55 68
RH % (24H TREND) 69 (-22) 28 (-1) 78 57
WIND 20FT/EARLY(MPH) N 5 S 5 SW 7 SW 8
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G17 SW 8 W 7
PRECIP AMOUNT 0.00 0.00 0.09 0.07
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1470 1290
MIXING HGT(FT-AGL/MSL) 4820 4230
TRANSPORT WND (MPH) SW 24 W 13
VENT RATE (KT-FT) 110770 56050
CATEGORY DAY 5 3
INVERSION 8PM 42F/9AM 7PM 58F/9AM
DISPERSION 5 5
MAX ADI EARLY 9 POOR 57 GEN GOOD 27 FAIR 30 FAIR
MAX ADI LATE 4 VERY POOR 127 VERY GOOD14 GEN POOR 61 GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-210815-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 60 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 29 (-7) 70 (+22) 55 69
RH % (24H TREND) 68 (-21) 29 (-1) 77 61
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 SW 7
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 SW 7 W 7
PRECIP AMOUNT 0.00 0.00 0.09 0.10
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1610 1130
MIXING HGT(FT-AGL/MSL) 5300 3700
TRANSPORT WND (MPH) SW 24 W 12
VENT RATE (KT-FT) 126960 48480
CATEGORY DAY 5 3
INVERSION 8PM 42F/9AM 7PM 57F/8AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 55 GEN GOOD 29 FAIR 32 FAIR
MAX ADI LATE 4 VERY POOR 143 VERY GOOD13 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-210815-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 29 (-7) 70 (+22) 54 68
RH % (24H TREND) 72 (-16) 28 (-2) 77 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 7 SW 6 W 6
PRECIP AMOUNT 0.00 0.00 0.07 0.16
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1690 980
MIXING HGT(FT-AGL/MSL) 5550 3220
TRANSPORT WND (MPH) SW 24 W 12
VENT RATE (KT-FT) 127450 35390
CATEGORY DAY 5 3
INVERSION 8PM 42F/9AM 7PM 56F/8AM
DISPERSION 5 5
MAX ADI EARLY 6 VERY POOR 51 GEN GOOD 21 FAIR 33 FAIR
MAX ADI LATE 4 VERY POOR 149 VERY GOOD12 POOR 37 FAIR
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-210815-
MARION-
INCLUDING THE CITY OF FAIRMONT
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 27 (-10) 68 (+19) 53 66
RH % (24H TREND) 78 (-11) 28 (-3) 79 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 6 W 7
PRECIP AMOUNT 0.00 0.00 0.08 0.22
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1630 970
MIXING HGT(FT-AGL/MSL) 5350 3170
TRANSPORT WND (MPH) SW 23 W 13
VENT RATE (KT-FT) 115710 36020
CATEGORY DAY 5 3
INVERSION 8PM 41F/9AM 7PM 55F/8AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 48 GEN GOOD 10 POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 140 VERY GOOD11 POOR 39 FAIR
MAX LVORI EARLY 2 3 3 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-210815-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 27 (-10) 67 (+20) 53 67
RH % (24H TREND) 76 (-9) 28 (-4) 77 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 6 W 7
PRECIP AMOUNT 0.00 0.00 0.07 0.12
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1580 960
MIXING HGT(FT-AGL/MSL) 5190 3140
TRANSPORT WND (MPH) SW 23 W 12
VENT RATE (KT-FT) 109660 35310
CATEGORY DAY 4 3
INVERSION 8PM 41F/9AM 7PM 56F/8AM
DISPERSION 5 5
MAX ADI EARLY 7 POOR 49 GEN GOOD 10 POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 131 VERY GOOD11 POOR 38 FAIR
MAX LVORI EARLY 2 3 3 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-210815-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 25 (-9) 64 (+21) 51 62
RH % (24H TREND) 78 (-15) 28 (-7) 79 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 6 W 7
PRECIP AMOUNT 0.00 0.00 0.08 0.18
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1340 720
MIXING HGT(FT-AGL/MSL) 4390 2370
TRANSPORT WND (MPH) SW 22 W 13
VENT RATE (KT-FT) 91090 27870
CATEGORY DAY 4 3
INVERSION 8PM 39F/9AM 7PM 55F/10AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 33 FAIR 10 POOR 30 FAIR
MAX ADI LATE 3 VERY POOR 108 VERY GOOD13 GEN POOR 33 FAIR
MAX LVORI EARLY 3 3 3 4
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-210815-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 25 (-10) 66 (+21) 51 63
RH % (24H TREND) 79 (-11) 27 (-7) 80 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR SW 6
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 5 W 6
PRECIP AMOUNT 0.00 0.00 0.07 0.17
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1450 780
MIXING HGT(FT-AGL/MSL) 4770 2550
TRANSPORT WND (MPH) SW 22 W 13
VENT RATE (KT-FT) 99160 33050
CATEGORY DAY 4 3
INVERSION 8PM 40F/9AM 7PM 53F/8AM
DISPERSION 5 5
MAX ADI EARLY 8 POOR 38 FAIR 12 POOR 43 GEN GOOD
MAX ADI LATE 3 VERY POOR 114 VERY GOOD10 POOR 41 GEN GOOD
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-210815-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 25 (-9) 64 (+21) 50 62
RH % (24H TREND) 77 (-18) 27 (-10) 81 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 SW 8 G19
WIND 20FT/LATE(MPH) LGT/VAR SW 6 SW 7 G18 W 8 G19
PRECIP AMOUNT 0.00 0.00 0.07 0.19
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1330 680
MIXING HGT(FT-AGL/MSL) 4350 2220
TRANSPORT WND (MPH) W 22 W 14
VENT RATE (KT-FT) 97550 32770
CATEGORY DAY 4 3
INVERSION 8PM 39F/9AM 7PM 53F/8AM
DISPERSION 5 5
MAX ADI EARLY 12 POOR 34 FAIR 15 GEN POOR 36 FAIR
MAX ADI LATE 3 VERY POOR 102 VERY GOOD15 GEN POOR 36 FAIR
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-210815-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 25 (-11) 65 (+20) 50 63
RH % (24H TREND) 77 (-16) 24 (-9) 77 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR W 7 G19
WIND 20FT/LATE(MPH) LGT/VAR SW 5 SW 6 G17 W 8 G19
PRECIP AMOUNT 0.00 0.00 0.06 0.29
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1450 700
MIXING HGT(FT-AGL/MSL) 4760 2310
TRANSPORT WND (MPH) W 21 W 16
VENT RATE (KT-FT) 93400 37290
CATEGORY DAY 4 3
INVERSION 8PM 39F/9AM 7PM 53F/8AM
DISPERSION 5 5
MAX ADI EARLY 11 POOR 33 FAIR 15 GEN POOR 41 GEN GOOD
MAX ADI LATE 3 VERY POOR 114 VERY GOOD12 POOR 41 GEN GOOD
MAX LVORI EARLY 3 3 3 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-210815-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
604 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 80
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 22 (-10) 62 (+22) 47 59
RH % (24H TREND) 78 (-20) 26 (-11) 79 66
WIND 20FT/EARLY(MPH) NW 6 G23 LGT/VAR SW 6 G21 W 10 G29
WIND 20FT/LATE(MPH) LGT/VAR W 6 G19 W 9 G26 W 10 G28
PRECIP AMOUNT 0.00 0.00 0.05 0.27
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1380 650
MIXING HGT(FT-AGL/MSL) 4530 2140
TRANSPORT WND (MPH) W 21 W 20
VENT RATE (KT-FT) 99640 42480
CATEGORY DAY 4 3
INVERSION 8PM 38F/9AM 7PM 52F/9AM
DISPERSION 5 5
MAX ADI EARLY 15 GEN POOR 30 FAIR 14 GEN POOR 38 FAIR
MAX ADI LATE 3 VERY POOR 101 VERY GOOD21 FAIR 38 FAIR
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 70S. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS AROUND 70. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
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