682
FNUS51 KPBZ 181706
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
106 PM EDT TUE AUG 18 2026
DISCUSSION
FIRE WEATHER POTENTIAL REMAINS LOW OVER THE NEXT SEVERAL DAYS DUE
TO RECENT HEAVY RAINFALL AND ADDITIONAL DISTURBANCES PASSING
ACROSS THE REGION TOMORROW INTO THE WEEKEND. MINRH VALUES WILL
ONLY DROP TO THE UPPER-50S TODAY, WINDS REMAIN LIGHT AND
VARIABLE.
FORECASTER: HEFFERAN
OHZ039-190815-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 40
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 60 (0) 77 (-1) 61 77
RH % (24H TREND) 100 (0) 74 (+14) 100 65
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 0.09 0.17 0.04
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1270
MIXING HGT(FT-AGL/MSL) 4160
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 45760
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 36 FAIR 5 VERY POOR 11 POOR
MAX ADI LATE 3 VERY POOR 37 FAIR 3 VERY POOR 33 FAIR
MAX LVORI EARLY 6 8 9 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-190815-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50 40
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 60 (+1) 77 (-1) 60 77
RH % (24H TREND) 98 (-2) 73 (+15) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.11 0.03
PRECIP DURATION 1 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1220
MIXING HGT(FT-AGL/MSL) 3990
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 43890
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 40 FAIR 5 VERY POOR 12 POOR
MAX ADI LATE 3 VERY POOR 41 GEN GOOD 3 VERY POOR 33 FAIR
MAX LVORI EARLY 6 7 9 9
MAX LVORI LATE 8 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-190815-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 30
CHANCE OF THUNDER (%) 0 30 10 20
TEMP (24H TREND) 60 (+1) 78 (0) 60 77
RH % (24H TREND) 96 (-4) 71 (+15) 100 62
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.07 0.01
PRECIP DURATION 1 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1150
MIXING HGT(FT-AGL/MSL) 3790
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 41690
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 43 GEN GOOD 6 VERY POOR 14 GEN POOR
MAX ADI LATE 4 VERY POOR 45 GEN GOOD 3 VERY POOR 37 FAIR
MAX LVORI EARLY 6 6 9 9
MAX LVORI LATE 8 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-190815-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60 50
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 59 (0) 77 (-1) 60 76
RH % (24H TREND) 100 (0) 76 (+14) 100 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.15 0.05
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL) 3830
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 38300
CATEGORY DAY 3
INVERSION 7PM 65F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 30 FAIR 5 VERY POOR 11 POOR
MAX ADI LATE 3 VERY POOR 35 FAIR 3 VERY POOR 28 FAIR
MAX LVORI EARLY 7 8 10 9
MAX LVORI LATE 9 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-190815-
HARRISON-
INCLUDING THE CITY OF CADIZ
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 50
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 60 (0) 78 (0) 61 77
RH % (24H TREND) 100 (0) 71 (+14) 100 69
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 0.04 0.16 0.11
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1260
MIXING HGT(FT-AGL/MSL) 4120
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 45320
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 41 GEN GOOD 6 VERY POOR 12 POOR
MAX ADI LATE 3 VERY POOR 43 GEN GOOD 3 VERY POOR 28 FAIR
MAX LVORI EARLY 6 8 9 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-190815-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 50
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 60 (0) 78 (-1) 61 77
RH % (24H TREND) 98 (-2) 68 (+13) 100 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.14 0.10
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL) 3980
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 43780
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 41 GEN GOOD 6 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 44 GEN GOOD 3 VERY POOR 30 FAIR
MAX LVORI EARLY 6 7 8 9
MAX LVORI LATE 8 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-190815-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 50
CHANCE OF THUNDER (%) 0 30 30 20
TEMP (24H TREND) 60 (-1) 77 (-1) 61 76
RH % (24H TREND) 100 (0) 75 (+11) 100 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.24 0.12
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1160
MIXING HGT(FT-AGL/MSL) 3800
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 38000
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 27 FAIR 5 VERY POOR 10 POOR
MAX ADI LATE 3 VERY POOR 33 FAIR 2 VERY POOR 29 FAIR
MAX LVORI EARLY 8 8 10 9
MAX LVORI LATE 9 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-190815-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 50
CHANCE OF THUNDER (%) 0 30 30 20
TEMP (24H TREND) 60 (-1) 78 (0) 62 76
RH % (24H TREND) 100 (0) 71 (+10) 100 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.18 0.14
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1250
MIXING HGT(FT-AGL/MSL) 4110
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 41100
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 32 FAIR 5 VERY POOR 8 POOR
MAX ADI LATE 3 VERY POOR 35 FAIR 3 VERY POOR 28 FAIR
MAX LVORI EARLY 8 9 10 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-190815-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 50
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 60 (-2) 79 (0) 63 77
RH % (24H TREND) 99 (-1) 69 (+10) 100 72
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 0.01 0.17 0.18
PRECIP DURATION 0 5 4
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1220
MIXING HGT(FT-AGL/MSL) 4000
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 44000
CATEGORY DAY 3
INVERSION 7PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 38 FAIR 6 VERY POOR 12 POOR
MAX ADI LATE 3 VERY POOR 39 FAIR 3 VERY POOR 23 FAIR
MAX LVORI EARLY 8 8 9 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-190815-
NOBLE-
INCLUDING THE CITY OF CALDWELL
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 60 (-2) 79 (+1) 62 77
RH % (24H TREND) 100 (0) 71 (+9) 100 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.11 0.13
PRECIP DURATION 5 4
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1270
MIXING HGT(FT-AGL/MSL) 4170
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 41700
CATEGORY DAY 3
INVERSION 7PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 34 FAIR 4 VERY POOR 9 POOR
MAX ADI LATE 3 VERY POOR 37 FAIR 2 VERY POOR 25 FAIR
MAX LVORI EARLY 8 9 10 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-190815-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 61 (-3) 79 (0) 63 77
RH % (24H TREND) 100 (0) 69 (+8) 100 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.16
PRECIP DURATION 5 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1260
MIXING HGT(FT-AGL/MSL) 4140
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 41400
CATEGORY DAY 3
INVERSION 7PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 35 FAIR 5 VERY POOR 10 POOR
MAX ADI LATE 3 VERY POOR 39 FAIR 2 VERY POOR 27 FAIR
MAX LVORI EARLY 8 9 9 9
MAX LVORI LATE 10 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-190815-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 40 20
CHANCE OF THUNDER (%) 0 30 10 0
TEMP (24H TREND) 59 (+1) 78 (-1) 58 77
RH % (24H TREND) 97 (-3) 71 (+16) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.04 0.00
PRECIP DURATION 1 1 0
PRECIP BEGIN 12 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1180
MIXING HGT(FT-AGL/MSL) 3860
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 46320
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 7PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 32 FAIR 6 VERY POOR 15 GEN POOR
MAX ADI LATE 4 VERY POOR 45 GEN GOOD 3 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 7 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-190815-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 50 50 20
CHANCE OF THUNDER (%) 0 30 10 0
TEMP (24H TREND) 58 (0) 77 (0) 57 77
RH % (24H TREND) 97 (-3) 75 (+17) 100 59
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 0.06 0.09 0.00
PRECIP DURATION 1 1 1
PRECIP BEGIN 12 PM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL) 3970
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 47640
CATEGORY DAY 3
INVERSION 7PM 64F/9AM 7PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 36 FAIR 6 VERY POOR 16 GEN POOR
MAX ADI LATE 4 VERY POOR 44 GEN GOOD 3 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 6 6 9 9
MAX LVORI LATE 7 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-190815-
FOREST-
INCLUDING THE CITY OF TIONESTA
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 60 60 20
CHANCE OF THUNDER (%) 0 30 10 0
TEMP (24H TREND) 56 (-1) 77 (-1) 56 77
RH % (24H TREND) 96 (-4) 69 (+16) 100 54
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.12 0.00
PRECIP DURATION 1 2 0
PRECIP BEGIN 1 PM CONTINUING 2 PM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL) 4040
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 48480
CATEGORY DAY 3
INVERSION 7PM 63F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 38 FAIR 6 VERY POOR 17 GEN POOR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 2 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 7 6 9 9
MAX LVORI LATE 7 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-190815-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 40 20
CHANCE OF THUNDER (%) 0 30 10 20
TEMP (24H TREND) 59 (+1) 79 (-1) 59 78
RH % (24H TREND) 97 (-3) 69 (+15) 100 58
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 0.03 0.11 0.00
PRECIP DURATION 1 2 1
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL) 3830
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 45960
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 42 GEN GOOD 6 VERY POOR 15 GEN POOR
MAX ADI LATE 4 VERY POOR 46 GEN GOOD 3 VERY POOR 32 FAIR
MAX LVORI EARLY 6 6 9 9
MAX LVORI LATE 8 3 9 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-190815-
BUTLER-
INCLUDING THE CITY OF BUTLER
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50 30
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 58 (0) 79 (0) 58 78
RH % (24H TREND) 97 (-3) 70 (+12) 100 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.11 0.02
PRECIP DURATION 1 2 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1310
MIXING HGT(FT-AGL/MSL) 4300
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 51600
CATEGORY DAY 3
INVERSION 8PM 65F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 40 FAIR 6 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 47 GEN GOOD 3 VERY POOR 31 FAIR
MAX LVORI EARLY 6 7 9 9
MAX LVORI LATE 8 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-190815-
CLARION-
INCLUDING THE CITY OF CLARION
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 40 30
CHANCE OF THUNDER (%) 0 30 10 20
TEMP (24H TREND) 58 (0) 77 (-1) 58 76
RH % (24H TREND) 97 (-3) 69 (+13) 100 58
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 0.03 0.09 0.02
PRECIP DURATION 1 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL) 4030
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 48360
CATEGORY DAY 3
INVERSION 7PM 64F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 41 GEN GOOD 6 VERY POOR 16 GEN POOR
MAX ADI LATE 4 VERY POOR 46 GEN GOOD 2 VERY POOR 40 FAIR
MAX LVORI EARLY 7 6 9 9
MAX LVORI LATE 7 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-190815-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 50 40
CHANCE OF THUNDER (%) 0 30 10 20
TEMP (24H TREND) 57 (-1) 76 (-1) 58 75
RH % (24H TREND) 97 (-3) 68 (+12) 100 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.07 0.06
PRECIP DURATION 1 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1190
MIXING HGT(FT-AGL/MSL) 3900
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 46800
CATEGORY DAY 3
INVERSION 7PM 64F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 41 GEN GOOD 6 VERY POOR 13 GEN POOR
MAX ADI LATE 4 VERY POOR 50 GEN GOOD 2 VERY POOR 33 FAIR
MAX LVORI EARLY 6 6 8 9
MAX LVORI LATE 7 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-190815-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50 40
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 60 (0) 79 (0) 61 78
RH % (24H TREND) 96 (-4) 68 (+14) 100 63
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 0.04 0.12 0.04
PRECIP DURATION 1 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1250
MIXING HGT(FT-AGL/MSL) 4100
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 45100
CATEGORY DAY 3
INVERSION 8PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 42 GEN GOOD 5 VERY POOR 15 GEN POOR
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 2 VERY POOR 32 FAIR
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 7 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-190815-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 50
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 60 (-2) 80 (0) 62 78
RH % (24H TREND) 98 (-2) 66 (+10) 100 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.10 0.10
PRECIP DURATION 0 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1410
MIXING HGT(FT-AGL/MSL) 4620
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 55440
CATEGORY DAY 4
INVERSION 7PM 67F/9AM 8PM
DISPERSION 4
MAX ADI EARLY 4 VERY POOR 40 FAIR 9 POOR 12 POOR
MAX ADI LATE 3 VERY POOR 48 GEN GOOD 2 VERY POOR 24 FAIR
MAX LVORI EARLY 5 6 8 9
MAX LVORI LATE 7 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-190815-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 40
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 58 (-1) 80 (+1) 60 77
RH % (24H TREND) 100 (0) 68 (+10) 100 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.11 0.09
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1340
MIXING HGT(FT-AGL/MSL) 4390
TRANSPORT WND (MPH) W 15 N/A
VENT RATE (KT-FT) 57070
CATEGORY DAY 4
INVERSION 7PM 65F/9AM 8PM
DISPERSION 4
MAX ADI EARLY 4 VERY POOR 40 FAIR 5 VERY POOR 11 POOR
MAX ADI LATE 3 VERY POOR 49 GEN GOOD 3 VERY POOR 26 FAIR
MAX LVORI EARLY 7 7 9 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-190815-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 60 (-2) 78 (0) 62 76
RH % (24H TREND) 97 (-3) 68 (+8) 100 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.10 0.17
PRECIP DURATION 5 6
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1180
MIXING HGT(FT-AGL/MSL) 3860
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 42460
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 42 GEN GOOD 9 POOR 15 GEN POOR
MAX ADI LATE 3 VERY POOR 47 GEN GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 6 6 7 9
MAX LVORI LATE 8 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-190815-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 59 (-4) 79 (+2) 63 76
RH % (24H TREND) 99 (-1) 66 (+1) 100 80
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 0.05 0.21
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1240
MIXING HGT(FT-AGL/MSL) 4070
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 44770
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 45 GEN GOOD 6 VERY POOR 15 GEN POOR
MAX ADI LATE 3 VERY POOR 57 GEN GOOD 2 VERY POOR 24 FAIR
MAX LVORI EARLY 7 8 7 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-190815-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 60
CHANCE OF THUNDER (%) 0 20 20 30
TEMP (24H TREND) 59 (-2) 80 (+1) 62 77
RH % (24H TREND) 100 (0) 67 (+7) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.13
PRECIP DURATION 0 6 6
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1310
MIXING HGT(FT-AGL/MSL) 4290
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 51480
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 42 GEN GOOD 9 POOR 12 POOR
MAX ADI LATE 3 VERY POOR 45 GEN GOOD 2 VERY POOR 21 FAIR
MAX LVORI EARLY 7 8 9 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-190815-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 58 (-3) 79 (+3) 60 77
RH % (24H TREND) 99 (-1) 61 (0) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.04 0.16
PRECIP DURATION 5 6
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1200
MIXING HGT(FT-AGL/MSL) 3940
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 47280
CATEGORY DAY 3
INVERSION 7PM 65F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 48 GEN GOOD 6 VERY POOR 13 GEN POOR
MAX ADI LATE 3 VERY POOR 54 GEN GOOD 3 VERY POOR 23 FAIR
MAX LVORI EARLY 7 7 8 9
MAX LVORI LATE 8 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-190815-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 59 (-4) 79 (+2) 63 76
RH % (24H TREND) 99 (-1) 66 (+1) 100 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.04 0.20
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL) 3980
TRANSPORT WND (MPH) SW 13 N/A
VENT RATE (KT-FT) 43780
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 47 GEN GOOD 5 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 58 GEN GOOD 2 VERY POOR 21 FAIR
MAX LVORI EARLY 7 7 7 9
MAX LVORI LATE 8 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-190815-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 57 (-4) 79 (+3) 60 76
RH % (24H TREND) 100 (0) 62 (0) 100 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.21
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL) 3980
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 43780
CATEGORY DAY 3
INVERSION 7PM 65F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 45 GEN GOOD 6 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 63 GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 7 7 8 9
MAX LVORI LATE 9 2 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-190815-
INDIANA-
INCLUDING THE CITY OF INDIANA
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 50
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 58 (-2) 79 (+1) 60 77
RH % (24H TREND) 99 (-1) 68 (+7) 100 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.10 0.12
PRECIP DURATION 1 3 2
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1300
MIXING HGT(FT-AGL/MSL) 4260
TRANSPORT WND (MPH) W 15 N/A
VENT RATE (KT-FT) 55380
CATEGORY DAY 4
INVERSION 7PM 65F/9AM 8PM
DISPERSION 4
MAX ADI EARLY 4 VERY POOR 43 GEN GOOD 6 VERY POOR 11 POOR
MAX ADI LATE 3 VERY POOR 51 GEN GOOD 2 VERY POOR 25 FAIR
MAX LVORI EARLY 7 7 9 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-190815-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 60
CHANCE OF THUNDER (%) 0 20 20 30
TEMP (24H TREND) 58 (-2) 77 (0) 61 75
RH % (24H TREND) 97 (-3) 65 (+4) 100 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.13
PRECIP DURATION 1 5 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1290
MIXING HGT(FT-AGL/MSL) 4230
TRANSPORT WND (MPH) W 15 N/A
VENT RATE (KT-FT) 54990
CATEGORY DAY 4
INVERSION 7PM 65F/9AM 8PM
DISPERSION 4
MAX ADI EARLY 4 VERY POOR 51 GEN GOOD 5 VERY POOR 13 GEN POOR
MAX ADI LATE 3 VERY POOR 50 GEN GOOD 2 VERY POOR 24 FAIR
MAX LVORI EARLY 7 6 9 9
MAX LVORI LATE 8 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-190815-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60 50
CHANCE OF THUNDER (%) 0 40 20 20
TEMP (24H TREND) 61 (+1) 78 (-1) 62 77
RH % (24H TREND) 95 (-5) 68 (+14) 100 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 0.03 0.08 0.06
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL) 4050
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 44550
CATEGORY DAY 3
INVERSION 8PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 42 GEN GOOD 5 VERY POOR 15 GEN POOR
MAX ADI LATE 3 VERY POOR 46 GEN GOOD 2 VERY POOR 32 FAIR
MAX LVORI EARLY 5 6 7 9
MAX LVORI LATE 7 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-190815-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 50
CHANCE OF THUNDER (%) 0 30 20 20
TEMP (24H TREND) 60 (-1) 79 (0) 62 77
RH % (24H TREND) 97 (-3) 68 (+12) 100 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.13 0.13
PRECIP DURATION 0 3 2
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL) 3850
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 42350
CATEGORY DAY 3
INVERSION 7PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 41 GEN GOOD 5 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 45 GEN GOOD 3 VERY POOR 26 FAIR
MAX LVORI EARLY 5 6 7 9
MAX LVORI LATE 8 3 10 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-190815-
OHIO-
INCLUDING THE CITY OF WHEELING
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 60
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 60 (-2) 79 (+1) 63 76
RH % (24H TREND) 98 (-2) 70 (+10) 100 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09 0.19
PRECIP DURATION 0 5 6
PRECIP BEGIN 3 PM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL) 3850
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 42350
CATEGORY DAY 3
INVERSION 7PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 44 GEN GOOD 5 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 40 FAIR 3 VERY POOR 24 FAIR
MAX LVORI EARLY 6 7 8 9
MAX LVORI LATE 8 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-190815-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 61 (-3) 80 (+2) 63 77
RH % (24H TREND) 98 (-2) 70 (+6) 100 80
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 0.06 0.20
PRECIP DURATION 4 6
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1230
MIXING HGT(FT-AGL/MSL) 4020
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 40200
CATEGORY DAY 3
INVERSION 7PM 67F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 38 FAIR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 3 VERY POOR 43 GEN GOOD 2 VERY POOR 26 FAIR
MAX LVORI EARLY 7 8 8 9
MAX LVORI LATE 9 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-190815-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 60
CHANCE OF THUNDER (%) 0 0 20 30
TEMP (24H TREND) 61 (-4) 78 (0) 64 76
RH % (24H TREND) 99 (-1) 71 (+5) 100 83
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.14
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1200
MIXING HGT(FT-AGL/MSL) 3950
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 39500
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 38 FAIR 5 VERY POOR 10 POOR
MAX ADI LATE 3 VERY POOR 55 GEN GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 7 9 8 9
MAX LVORI LATE 9 3 10 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-190815-
MARION-
INCLUDING THE CITY OF FAIRMONT
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 60 (-4) 79 (+1) 64 76
RH % (24H TREND) 100 (0) 67 (-1) 100 82
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.14
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1320
MIXING HGT(FT-AGL/MSL) 4320
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 43200
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 45 GEN GOOD 4 VERY POOR 12 POOR
MAX ADI LATE 2 VERY POOR 57 GEN GOOD 2 VERY POOR 22 FAIR
MAX LVORI EARLY 7 9 8 9
MAX LVORI LATE 10 3 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-190815-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 60 (-4) 79 (+2) 64 76
RH % (24H TREND) 100 (0) 66 (0) 100 81
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 0.05 0.18
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1320
MIXING HGT(FT-AGL/MSL) 4320
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 43200
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 3 VERY POOR 45 GEN GOOD 5 VERY POOR 11 POOR
MAX ADI LATE 3 VERY POOR 55 GEN GOOD 2 VERY POOR 21 FAIR
MAX LVORI EARLY 7 9 7 9
MAX LVORI LATE 9 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-190815-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 70 70
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 59 (-4) 77 (+2) 62 75
RH % (24H TREND) 98 (-2) 65 (-1) 100 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.19
PRECIP DURATION 4 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1290
MIXING HGT(FT-AGL/MSL) 4230
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 42300
CATEGORY DAY 3
INVERSION 7PM 65F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 42 GEN GOOD 5 VERY POOR 13 GEN POOR
MAX ADI LATE 3 VERY POOR 59 GEN GOOD 3 VERY POOR 20 GEN POOR
MAX LVORI EARLY 7 7 7 9
MAX LVORI LATE 9 3 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-190815-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 80
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 59 (-5) 78 (+1) 62 77
RH % (24H TREND) 99 (-1) 62 (-2) 100 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.04 0.18
PRECIP DURATION 4 9
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1300
MIXING HGT(FT-AGL/MSL) 4270
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 46970
CATEGORY DAY 3
INVERSION 7PM 66F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 46 GEN GOOD 6 VERY POOR 14 GEN POOR
MAX ADI LATE 3 VERY POOR 58 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 7 7 7 9
MAX LVORI LATE 9 1 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-190815-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 80
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 58 (-6) 78 (+3) 62 75
RH % (24H TREND) 99 (-1) 63 (-6) 100 78
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.18
PRECIP DURATION 3 10
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1270
MIXING HGT(FT-AGL/MSL) 4170
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 45870
CATEGORY DAY 3
INVERSION 7PM 64F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 5 VERY POOR 47 GEN GOOD 7 POOR 16 GEN POOR
MAX ADI LATE 3 VERY POOR 68 GOOD 3 VERY POOR 26 FAIR
MAX LVORI EARLY 7 7 7 8
MAX LVORI LATE 8 2 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-190815-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 80
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 59 (-7) 80 (+3) 63 78
RH % (24H TREND) 98 (-2) 59 (-6) 97 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.04 0.16
PRECIP DURATION 1 9
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1260
MIXING HGT(FT-AGL/MSL) 4140
TRANSPORT WND (MPH) W 12 N/A
VENT RATE (KT-FT) 41400
CATEGORY DAY 3
INVERSION 7PM 65F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 4 VERY POOR 42 GEN GOOD 6 VERY POOR 16 GEN POOR
MAX ADI LATE 3 VERY POOR 69 GOOD 2 VERY POOR 29 FAIR
MAX LVORI EARLY 7 7 7 7
MAX LVORI LATE 9 1 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-190815-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
106 PM EDT TUE AUG 18 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 90
CHANCE OF THUNDER (%) 0 0 20 40
TEMP (24H TREND) 54 (-8) 76 (+3) 58 74
RH % (24H TREND) 100 (0) 61 (-13) 100 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02 0.17
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1260
MIXING HGT(FT-AGL/MSL) 4130
TRANSPORT WND (MPH) W 14 N/A
VENT RATE (KT-FT) 49560
CATEGORY DAY 3
INVERSION 8PM 63F/9AM 8PM
DISPERSION 3
MAX ADI EARLY 6 VERY POOR 40 FAIR 9 POOR 19 GEN POOR
MAX ADI LATE 3 VERY POOR 73 GOOD 4 VERY POOR 30 FAIR
MAX LVORI EARLY 7 7 6 7
MAX LVORI LATE 9 2 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 60. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID
70S. SOUTHWEST WINDS 5 TO 10 MPH.
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