018
FNUS51 KPBZ 130629
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
229 AM EDT THU AUG 13 2026
DISCUSSION
A MOSTLY DRY DAY IS FORECAST FOR DAY. SHOWER AND THUNDERSTORM
CHANCES RETURN LATE TONIGHT AND FRIDAY, WITH CONTINUING
UNCERTAINTY REGARDING TIMING AND PLACEMENT. STILL, GIVEN RECENT
RAIN AND CONTINUED HIGH RELATIVE HUMIDITY LEVELS, FIRE WEATHER
CONCERNS REMAIN NIL.
OHZ039-132015-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+6) 65 (+1) 81
RH % (24H TREND) 66 (-11) 98 (-2) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.16
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1130
MIXING HGT(FT-AGL/MSL)3710
TRANSPORT WND (MPH) NW 6 N/A
VENT RATE (KT-FT) 18550
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 13 GEN POOR 3 VERY POOR 12 POOR
MAX ADI LATE 33 FAIR 3 VERY POOR 28 FAIR
MAX LVORI EARLY 8 7 7
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-132015-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 40
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+5) 64 (0) 80
RH % (24H TREND) 65 (-9) 96 (-4) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.11
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140
MIXING HGT(FT-AGL/MSL)3740
TRANSPORT WND (MPH) NW 7 N/A
VENT RATE (KT-FT) 22440
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 13 GEN POOR 5 VERY POOR 12 POOR
MAX ADI LATE 37 FAIR 3 VERY POOR 29 FAIR
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-132015-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+4) 63 (-2) 80
RH % (24H TREND) 65 (-10) 95 (-5) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1140
MIXING HGT(FT-AGL/MSL)3730
TRANSPORT WND (MPH) NW 8 N/A
VENT RATE (KT-FT) 26110
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 5 VERY POOR 11 POOR
MAX ADI LATE 42 GEN GOOD 3 VERY POOR 35 FAIR
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-132015-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60
CHANCE OF THUNDER (%) 0 20 20
TEMP (24H TREND) 82 (+6) 64 (0) 80
RH % (24H TREND) 68 (-10) 100 (0) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.20
PRECIP DURATION 1 3
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150
MIXING HGT(FT-AGL/MSL)3780
TRANSPORT WND (MPH) NW 6 N/A
VENT RATE (KT-FT) 18900
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 11 POOR 3 VERY POOR 12 POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 26 FAIR
MAX LVORI EARLY 9 8 9
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-132015-
HARRISON-
INCLUDING THE CITY OF CADIZ
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+6) 65 (+1) 81
RH % (24H TREND) 67 (-8) 97 (-3) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.16
PRECIP DURATION 1 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1140
MIXING HGT(FT-AGL/MSL)3760
TRANSPORT WND (MPH) NW 7 N/A
VENT RATE (KT-FT) 22560
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 15 GEN POOR 4 VERY POOR 13 GEN POOR
MAX ADI LATE 37 FAIR 3 VERY POOR 25 FAIR
MAX LVORI EARLY 8 7 7
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-132015-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+6) 65 (-1) 80
RH % (24H TREND) 65 (-8) 96 (-4) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.14
PRECIP DURATION 0 2
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160
MIXING HGT(FT-AGL/MSL)3800
TRANSPORT WND (MPH) NW 7 N/A
VENT RATE (KT-FT) 22800
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 15 GEN POOR 5 VERY POOR 12 POOR
MAX ADI LATE 41 GEN GOOD 3 VERY POOR 25 FAIR
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-132015-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 30 20
TEMP (24H TREND) 82 (+6) 65 (+1) 81
RH % (24H TREND) 69 (-8) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.23
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1100
MIXING HGT(FT-AGL/MSL)3610
TRANSPORT WND (MPH) NW 6 N/A
VENT RATE (KT-FT) 18050
CATEGORY DAY 2
INVERSION 71F/9AM
DISPERSION 2
MAX ADI EARLY 11 POOR 3 VERY POOR 11 POOR
MAX ADI LATE 28 FAIR 3 VERY POOR 25 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-132015-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 82 (+6) 66 (+1) 81
RH % (24H TREND) 69 (-11) 99 (-1) 71
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.19
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1190
MIXING HGT(FT-AGL/MSL)3890
TRANSPORT WND (MPH) NW 7 N/A
VENT RATE (KT-FT) 23340
CATEGORY DAY 2
INVERSION 73F/10AM
DISPERSION 2
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 31 FAIR 3 VERY POOR 25 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-132015-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 82 (+6) 66 (+1) 81
RH % (24H TREND) 67 (-11) 99 (-1) 69
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.22
PRECIP DURATION 1 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160
MIXING HGT(FT-AGL/MSL)3820
TRANSPORT WND (MPH) W 8 N/A
VENT RATE (KT-FT) 26740
CATEGORY DAY 3
INVERSION 71F/9AM
DISPERSION 3
MAX ADI EARLY 15 GEN POOR 3 VERY POOR 13 GEN POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-132015-
NOBLE-
INCLUDING THE CITY OF CALDWELL
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 40
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 82 (+5) 66 (+1) 81
RH % (24H TREND) 71 (-8) 100 (0) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.20
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1110
MIXING HGT(FT-AGL/MSL)3650
TRANSPORT WND (MPH) W 7 N/A
VENT RATE (KT-FT) 21900
CATEGORY DAY 2
INVERSION 74F/10AM
DISPERSION 2
MAX ADI EARLY 11 POOR 3 VERY POOR 11 POOR
MAX ADI LATE 27 FAIR 3 VERY POOR 24 FAIR
MAX LVORI EARLY 9 9 9
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-132015-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 30 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 82 (+5) 67 (+1) 81
RH % (24H TREND) 72 (-7) 100 (0) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.20
PRECIP DURATION 1 2
PRECIP BEGIN 10 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1060
MIXING HGT(FT-AGL/MSL)3480
TRANSPORT WND (MPH) W 7 N/A
VENT RATE (KT-FT) 20880
CATEGORY DAY 2
INVERSION 71F/9AM
DISPERSION 2
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 11 POOR
MAX ADI LATE 28 FAIR 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-132015-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 81 (+5) 61 (-4) 81
RH % (24H TREND) 62 (-13) 96 (-4) 57
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1350
MIXING HGT(FT-AGL/MSL)4430
TRANSPORT WND (MPH) NW 9 N/A
VENT RATE (KT-FT) 35440
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 6 VERY POOR 12 POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-132015-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+5) 60 (-4) 81
RH % (24H TREND) 64 (-13) 97 (-3) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) NW 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1400
MIXING HGT(FT-AGL/MSL)4580
TRANSPORT WND (MPH) NW 10 N/A
VENT RATE (KT-FT) 41220
CATEGORY DAY 3
INVERSION 68F/9AM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 6 VERY POOR 14 GEN POOR
MAX ADI LATE 57 GEN GOOD 3 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-132015-
FOREST-
INCLUDING THE CITY OF TIONESTA
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+5) 58 (-5) 81
RH % (24H TREND) 60 (-11) 97 (-3) 55
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1420
MIXING HGT(FT-AGL/MSL)4640
TRANSPORT WND (MPH) NW 12 N/A
VENT RATE (KT-FT) 46400
CATEGORY DAY 3
INVERSION 67F/9AM
DISPERSION 3
MAX ADI EARLY 23 FAIR 6 VERY POOR 15 GEN POOR
MAX ADI LATE 63 GOOD 2 VERY POOR 67 GOOD
MAX LVORI EARLY 8 7 7
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-132015-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+5) 62 (-2) 82
RH % (24H TREND) 63 (-13) 97 (-3) 60
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1300
MIXING HGT(FT-AGL/MSL)4270
TRANSPORT WND (MPH) NW 9 N/A
VENT RATE (KT-FT) 34160
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 6 VERY POOR 11 POOR
MAX ADI LATE 45 GEN GOOD 3 VERY POOR 42 GEN GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-132015-
BUTLER-
INCLUDING THE CITY OF BUTLER
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+7) 61 (-3) 81
RH % (24H TREND) 67 (-11) 98 (-2) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1280
MIXING HGT(FT-AGL/MSL)4190
TRANSPORT WND (MPH) NW 10 N/A
VENT RATE (KT-FT) 37710
CATEGORY DAY 3
INVERSION 69F/9AM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 6 VERY POOR 12 POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 39 FAIR
MAX LVORI EARLY 8 6 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-132015-
CLARION-
INCLUDING THE CITY OF CLARION
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+6) 60 (-4) 80
RH % (24H TREND) 64 (-10) 96 (-4) 59
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1370
MIXING HGT(FT-AGL/MSL)4480
TRANSPORT WND (MPH) NW 10 N/A
VENT RATE (KT-FT) 40320
CATEGORY DAY 3
INVERSION 68F/9AM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 6 VERY POOR 13 GEN POOR
MAX ADI LATE 57 GEN GOOD 3 VERY POOR 61 GOOD
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-132015-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 79 (+4) 60 (-4) 79
RH % (24H TREND) 63 (-10) 96 (-4) 58
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1330
MIXING HGT(FT-AGL/MSL)4350
TRANSPORT WND (MPH) NW 12 N/A
VENT RATE (KT-FT) 43500
CATEGORY DAY 3
INVERSION 67F/9AM
DISPERSION 3
MAX ADI EARLY 22 FAIR 7 POOR 17 GEN POOR
MAX ADI LATE 59 GEN GOOD 2 VERY POOR 66 GOOD
MAX LVORI EARLY 6 6 7
MAX LVORI LATE 3 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-132015-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+5) 64 (-1) 81
RH % (24H TREND) 65 (-9) 96 (-4) 63
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END 4 PM
MIXING HGT(M-AGL/MSL) 1190
MIXING HGT(FT-AGL/MSL)3900
TRANSPORT WND (MPH) NW 9 N/A
VENT RATE (KT-FT) 31200
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 11 POOR
MAX ADI LATE 46 GEN GOOD 3 VERY POOR 35 FAIR
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-132015-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+5) 65 (0) 81
RH % (24H TREND) 67 (-8) 96 (-4) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1290
MIXING HGT(FT-AGL/MSL)4230
TRANSPORT WND (MPH) NW 9 N/A
VENT RATE (KT-FT) 33840
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 11 POOR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 27 FAIR
MAX LVORI EARLY 7 6 7
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-132015-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 82 (+7) 62 (-3) 82
RH % (24H TREND) 68 (-9) 98 (-2) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1310
MIXING HGT(FT-AGL/MSL)4310
TRANSPORT WND (MPH) NW 10 N/A
VENT RATE (KT-FT) 38790
CATEGORY DAY 3
INVERSION 69F/9AM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 6 VERY POOR 11 POOR
MAX ADI LATE 52 GEN GOOD 3 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 7 7 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-132015-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+5) 65 (0) 80
RH % (24H TREND) 68 (-9) 96 (-3) 68
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.18
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1210
MIXING HGT(FT-AGL/MSL)3980
TRANSPORT WND (MPH) NW 8 N/A
VENT RATE (KT-FT) 27860
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 12 POOR
MAX ADI LATE 42 GEN GOOD 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 8 6 7
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-132015-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 81 (+6) 66 (0) 80
RH % (24H TREND) 72 (-8) 98 (-1) 74
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.22
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1120
MIXING HGT(FT-AGL/MSL)3690
TRANSPORT WND (MPH) NW 9 N/A
VENT RATE (KT-FT) 29520
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 21 FAIR 5 VERY POOR 12 POOR
MAX ADI LATE 42 GEN GOOD 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 8 7 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-132015-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 30
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+6) 64 (-2) 81
RH % (24H TREND) 68 (-9) 100 (0) 67
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 1
PRECIP BEGIN 7 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL)3830
TRANSPORT WND (MPH) NW 9 N/A
VENT RATE (KT-FT) 30640
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 10 POOR
MAX ADI LATE 43 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 7 7 9
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-132015-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+5) 63 (-2) 81
RH % (24H TREND) 66 (-8) 99 (-1) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1050
MIXING HGT(FT-AGL/MSL)3440
TRANSPORT WND (MPH) NW 12 N/A
VENT RATE (KT-FT) 34400
CATEGORY DAY 3
INVERSION 68F/9AM
DISPERSION 3
MAX ADI EARLY 24 FAIR 6 VERY POOR 10 POOR
MAX ADI LATE 41 GEN GOOD 2 VERY POOR 27 FAIR
MAX LVORI EARLY 6 8 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-132015-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 30
TEMP (24H TREND) 81 (+5) 65 (-1) 80
RH % (24H TREND) 72 (-4) 98 (-1) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.15
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1160
MIXING HGT(FT-AGL/MSL)3810
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 30480
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 20 GEN POOR 5 VERY POOR 10 POOR
MAX ADI LATE 44 GEN GOOD 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 7 7 7
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-132015-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 80 (+6) 62 (-2) 80
RH % (24H TREND) 68 (-9) 100 (0) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.13
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1040
MIXING HGT(FT-AGL/MSL)3410
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 30690
CATEGORY DAY 3
INVERSION 68F/9AM
DISPERSION 3
MAX ADI EARLY 24 FAIR 5 VERY POOR 10 POOR
MAX ADI LATE 48 GEN GOOD 3 VERY POOR 22 FAIR
MAX LVORI EARLY 6 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-132015-
INDIANA-
INCLUDING THE CITY OF INDIANA
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 81 (+6) 62 (-3) 81
RH % (24H TREND) 69 (-7) 98 (-2) 64
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1200
MIXING HGT(FT-AGL/MSL)3950
TRANSPORT WND (MPH) NW 12 N/A
VENT RATE (KT-FT) 39500
CATEGORY DAY 3
INVERSION 67F/8AM
DISPERSION 3
MAX ADI EARLY 21 FAIR 6 VERY POOR 13 GEN POOR
MAX ADI LATE 50 GEN GOOD 2 VERY POOR 39 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-132015-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE
CHANCE PRECIP (%) 0 0 0
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 80 (+4) 62 (-3) 79
RH % (24H TREND) 69 (-4) 97 (-3) 65
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT(M-AGL/MSL) 1140
MIXING HGT(FT-AGL/MSL)3730
TRANSPORT WND (MPH) NW 12 N/A
VENT RATE (KT-FT) 37300
CATEGORY DAY 3
INVERSION 66F/8AM
DISPERSION 3
MAX ADI EARLY 22 FAIR 6 VERY POOR 12 POOR
MAX ADI LATE 48 GEN GOOD 2 VERY POOR 35 FAIR
MAX LVORI EARLY 6 7 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-132015-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 40
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 81 (+4) 65 (0) 80
RH % (24H TREND) 66 (-8) 94 (-6) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09
PRECIP DURATION 1
PRECIP BEGIN 8 AM
PRECIP END 6 PM
MIXING HGT(M-AGL/MSL) 1190
MIXING HGT(FT-AGL/MSL)3920
TRANSPORT WND (MPH) NW 8 N/A
VENT RATE (KT-FT) 27440
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 17 GEN POOR 5 VERY POOR 11 POOR
MAX ADI LATE 45 GEN GOOD 3 VERY POOR 31 FAIR
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 3 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-132015-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+6) 66 (0) 81
RH % (24H TREND) 65 (-10) 95 (-4) 66
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.17
PRECIP DURATION 0 2
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1170
MIXING HGT(FT-AGL/MSL)3850
TRANSPORT WND (MPH) NW 8 N/A
VENT RATE (KT-FT) 26950
CATEGORY DAY 3
INVERSION 71F/9AM
DISPERSION 3
MAX ADI EARLY 19 GEN POOR 5 VERY POOR 13 GEN POOR
MAX ADI LATE 42 GEN GOOD 3 VERY POOR 21 FAIR
MAX LVORI EARLY 8 6 6
MAX LVORI LATE 4 7 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-132015-
OHIO-
INCLUDING THE CITY OF WHEELING
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 0 20
TEMP (24H TREND) 82 (+6) 66 (0) 80
RH % (24H TREND) 67 (-10) 96 (-4) 70
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.22
PRECIP DURATION 0 2
PRECIP BEGIN 3 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1160
MIXING HGT(FT-AGL/MSL)3810
TRANSPORT WND (MPH) W 8 N/A
VENT RATE (KT-FT) 26670
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 4 VERY POOR 14 GEN POOR
MAX ADI LATE 40 FAIR 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 8 7 7
MAX LVORI LATE 4 6 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-132015-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 20 30
TEMP (24H TREND) 83 (+8) 67 (+1) 81
RH % (24H TREND) 72 (-10) 97 (-3) 75
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.24
PRECIP DURATION 0 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1070
MIXING HGT(FT-AGL/MSL)3510
TRANSPORT WND (MPH) NW 8 N/A
VENT RATE (KT-FT) 24570
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 18 GEN POOR 3 VERY POOR 14 GEN POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 18 GEN POOR
MAX LVORI EARLY 8 7 7
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-132015-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 50
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 81 (+6) 67 (+2) 80
RH % (24H TREND) 76 (-7) 99 (-1) 80
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.21
PRECIP DURATION 0 2
PRECIP BEGIN 11 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 970
MIXING HGT(FT-AGL/MSL)3170
TRANSPORT WND (MPH) NW 7 N/A
VENT RATE (KT-FT) 19020
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 14 GEN POOR 3 VERY POOR 11 POOR
MAX ADI LATE 36 FAIR 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-132015-
MARION-
INCLUDING THE CITY OF FAIRMONT
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 20 60
CHANCE OF THUNDER (%) 0 20 40
TEMP (24H TREND) 80 (+4) 65 (0) 80
RH % (24H TREND) 75 (-5) 100 (0) 79
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.19
PRECIP DURATION 0 2
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 990
MIXING HGT(FT-AGL/MSL)3240
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 25920
CATEGORY DAY 2
INVERSION 70F/9AM
DISPERSION 2
MAX ADI EARLY 18 GEN POOR 4 VERY POOR 10 POOR
MAX ADI LATE 43 GEN GOOD 3 VERY POOR 16 GEN POOR
MAX LVORI EARLY 8 9 9
MAX LVORI LATE 4 10 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-132015-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 81 (+6) 66 (0) 80
RH % (24H TREND) 73 (-7) 99 (0) 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.19
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 1040
MIXING HGT(FT-AGL/MSL)3420
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 27360
CATEGORY DAY 3
INVERSION 70F/9AM
DISPERSION 3
MAX ADI EARLY 21 FAIR 4 VERY POOR 10 POOR
MAX ADI LATE 43 GEN GOOD 2 VERY POOR 18 GEN POOR
MAX LVORI EARLY 8 8 8
MAX LVORI LATE 4 8 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-132015-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 78 (+5) 64 (0) 78
RH % (24H TREND) 75 (-6) 99 (-1) 76
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.18
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 970
MIXING HGT(FT-AGL/MSL)3170
TRANSPORT WND (MPH) W 9 N/A
VENT RATE (KT-FT) 25360
CATEGORY DAY 2
INVERSION 70F/10AM
DISPERSION 2
MAX ADI EARLY 18 GEN POOR 4 VERY POOR 9 POOR
MAX ADI LATE 43 GEN GOOD 2 VERY POOR 18 GEN POOR
MAX LVORI EARLY 8 9 8
MAX LVORI LATE 4 9 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-132015-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 50
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 79 (+4) 64 (0) 79
RH % (24H TREND) 71 (-6) 99 (-1) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.18
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 940
MIXING HGT(FT-AGL/MSL)3100
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 27900
CATEGORY DAY 3
INVERSION 69F/9AM
DISPERSION 3
MAX ADI EARLY 22 FAIR 5 VERY POOR 8 POOR
MAX ADI LATE 47 GEN GOOD 2 VERY POOR 16 GEN POOR
MAX LVORI EARLY 8 10 8
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-132015-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 60
CHANCE OF THUNDER (%) 0 0 40
TEMP (24H TREND) 78 (+4) 62 (-1) 78
RH % (24H TREND) 72 (-8) 100 (0) 73
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.18
PRECIP DURATION 3
PRECIP BEGIN 6 AM
PRECIP END CONTINUING
MIXING HGT(M-AGL/MSL) 950
MIXING HGT(FT-AGL/MSL)3110
TRANSPORT WND (MPH) W 13 N/A
VENT RATE (KT-FT) 34210
CATEGORY DAY 3
INVERSION 67F/9AM
DISPERSION 3
MAX ADI EARLY 25 FAIR 6 VERY POOR 9 POOR
MAX ADI LATE 53 GEN GOOD 3 VERY POOR 17 GEN POOR
MAX LVORI EARLY 8 10 8
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-132015-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 20 60
CHANCE OF THUNDER (%) 20 20 40
TEMP (24H TREND) 80 (+3) 65 (+1) 80
RH % (24H TREND) 69 (-5) 100 (0) 72
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.02 0.22
PRECIP DURATION 0 1 4
PRECIP BEGIN 3 PM 11 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 930
MIXING HGT(FT-AGL/MSL)3050
TRANSPORT WND (MPH) W 10 N/A
VENT RATE (KT-FT) 27450
CATEGORY DAY 3
INVERSION 68F/9AM
DISPERSION 3
MAX ADI EARLY 25 FAIR 5 VERY POOR 10 POOR
MAX ADI LATE 49 GEN GOOD 3 VERY POOR 21 FAIR
MAX LVORI EARLY 8 10 8
MAX LVORI LATE 4 10 4
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-132015-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
229 AM EDT THU AUG 13 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 60
CHANCE OF THUNDER (%) 20 0 40
TEMP (24H TREND) 76 (+2) 59 (-2) 77
RH % (24H TREND) 73 (-2) 100 (0) 77
WIND 20FT/EARLY(MPH) W 5 G18 LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.01 0.18
PRECIP DURATION 0 1 4
PRECIP BEGIN 3 PM 11 PM CONTINUING
PRECIP END 6 PM CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 950
MIXING HGT(FT-AGL/MSL)3110
TRANSPORT WND (MPH) W 15 N/A
VENT RATE (KT-FT) 40430
CATEGORY DAY 3
INVERSION 64F/8AM
DISPERSION 3
MAX ADI EARLY 37 FAIR 8 POOR 11 POOR
MAX ADI LATE 56 GEN GOOD 3 VERY POOR 23 FAIR
MAX LVORI EARLY 5 9 9
MAX LVORI LATE 4 9 5
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
SATURDAY
PARTLY CLOUDY. PATCHY FOG THROUGH THE NIGHT. A CHANCE
OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. NORTH
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. SOUTH
WINDS AROUND 5 MPH.
MONDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 10 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. PATCHY FOG. LOWS AROUND 60. HIGHS IN
THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER
80S. SOUTHWEST WINDS 5 TO 10 MPH.
CL
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