724
FNUS51 KPBZ 151617
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1217 PM EDT FRI MAY 15 2026
DISCUSSION
A DRY DAY UNDER HIGH PRESSURE ON FRIDAY WITH TEMPERATURES REACHING
THE MID TO UPPER 60S AND DEW POINTS IN THE 40S WILL RESULT IN
MINRH VALUES IN THE 30% RANGE, BUT WIND IS EXPECTED TO REMAIN
LIGHT. DRY WEATHER CONTINUES INTO THE WEEKEND WITH UNCERTAINTY IN
A DECAYING STORM COMPLEX ARRIVING FROM THE WEST THAT MAY RESULT IN
AT LEAST DEVELOPMENT OF ADDITIONAL SHOWERS AND STORMS SATURDAY
AFTERNOON. TEMPERATURES CONTINUE TO RISE INTO THE MIDDLE OF NEXT
WEEK WITH THE NEXT BEST RAIN CHANCE COMING TUESDAY-WEDNESDAY, BUT
CAN'T RULE OUT POP UP SHOWERS AND STORMS ANY DAY THROUGH THE
MIDDLE OF THE WEEK.
OHZ039-160830-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 30
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 50 (+10) 78 (+10) 60 81
RH % (24H TREND) 69 (-18) 49 (+12) 92 47
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G18 SW 7 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.09 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1030 1250
MIXING HGT(FT-AGL/MSL) 3370 4090
TRANSPORT WND (MPH) SW 24 S 10
VENT RATE (KT-FT) 70770 36810
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 7PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 43 GEN GOOD 23 FAIR 20 GEN POOR
MAX ADI LATE 8 POOR 60 GEN GOOD 7 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-160830-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 40
CHANCE OF THUNDER (%) 0 20 30 30
TEMP (24H TREND) 50 (+10) 77 (+10) 60 81
RH % (24H TREND) 70 (-12) 47 (+9) 92 49
WIND 20FT/EARLY(MPH) LGT/VAR S 8 G17 SW 8 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G20 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.10 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 980 1170
MIXING HGT(FT-AGL/MSL) 3210 3850
TRANSPORT WND (MPH) SW 24 SW 10
VENT RATE (KT-FT) 67410 34650
CATEGORY DAY 4 3
INVERSION 8PM 60F/9AM 7PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 47 GEN GOOD 21 FAIR 20 GEN POOR
MAX ADI LATE 8 POOR 62 GOOD 8 POOR 37 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-160830-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 60 50
CHANCE OF THUNDER (%) 0 20 30 30
TEMP (24H TREND) 49 (+8) 77 (+10) 60 80
RH % (24H TREND) 72 (-10) 46 (+7) 92 48
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G17 SW 8 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G20 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.12 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1030 1090
MIXING HGT(FT-AGL/MSL) 3370 3580
TRANSPORT WND (MPH) SW 25 SW 10
VENT RATE (KT-FT) 74140 32220
CATEGORY DAY 4 3
INVERSION 8PM 60F/9AM 7PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 55 GEN GOOD 22 FAIR 21 FAIR
MAX ADI LATE 7 POOR 63 GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-160830-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 80 20
CHANCE OF THUNDER (%) 0 30 30 10
TEMP (24H TREND) 50 (+10) 78 (+9) 60 82
RH % (24H TREND) 67 (-19) 51 (+15) 95 47
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.08 0.01
PRECIP DURATION 3 4 1
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1130 1390
MIXING HGT(FT-AGL/MSL) 3710 4560
TRANSPORT WND (MPH) SW 23 SW 12
VENT RATE (KT-FT) 74200 45600
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 7PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 8 POOR 50 GEN GOOD 27 FAIR 23 FAIR
MAX ADI LATE 8 POOR 63 GOOD 6 VERY POOR 62 GOOD
MAX LVORI EARLY 3 3 5 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-160830-
HARRISON-
INCLUDING THE CITY OF CADIZ
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 80 30
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 50 (+10) 78 (+10) 60 82
RH % (24H TREND) 70 (-13) 45 (+10) 95 46
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G18 SW 7 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.08 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1040 1180
MIXING HGT(FT-AGL/MSL) 3410 3860
TRANSPORT WND (MPH) SW 24 SW 10
VENT RATE (KT-FT) 71610 34740
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 45 GEN GOOD 27 FAIR 22 FAIR
MAX ADI LATE 8 POOR 70 GOOD 7 POOR 47 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-160830-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 80 40
CHANCE OF THUNDER (%) 0 20 30 30
TEMP (24H TREND) 49 (+8) 78 (+10) 60 81
RH % (24H TREND) 71 (-8) 44 (+8) 92 47
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G17 SW 8 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.09 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1060 1170
MIXING HGT(FT-AGL/MSL) 3480 3820
TRANSPORT WND (MPH) SW 25 SW 10
VENT RATE (KT-FT) 76560 34380
CATEGORY DAY 4 3
INVERSION 8PM 60F/9AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 50 GEN GOOD 27 FAIR 23 FAIR
MAX ADI LATE 6 VERY POOR 64 GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 5 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-160830-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 70 20
CHANCE OF THUNDER (%) 0 30 20 10
TEMP (24H TREND) 51 (+11) 79 (+9) 59 83
RH % (24H TREND) 66 (-26) 48 (+16) 96 43
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G17 SW 5 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.11 0.02
PRECIP DURATION 2 4 1
PRECIP BEGIN 9 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1140 1720
MIXING HGT(FT-AGL/MSL) 3760 5650
TRANSPORT WND (MPH) SW 23 SW 13
VENT RATE (KT-FT) 75200 62150
CATEGORY DAY 4 4
INVERSION 8PM 62F/9AM 8PM 66F/9AM
DISPERSION 4 4
MAX ADI EARLY 7 POOR 52 GEN GOOD 27 FAIR 26 FAIR
MAX ADI LATE 8 POOR 63 GOOD 5 VERY POOR 83 GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-160830-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 70 20
CHANCE OF THUNDER (%) 0 20 30 10
TEMP (24H TREND) 51 (+11) 79 (+9) 60 83
RH % (24H TREND) 69 (-25) 46 (+13) 96 45
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G17 SW 6 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.08 0.02
PRECIP DURATION 1 5 1
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1110 1470
MIXING HGT(FT-AGL/MSL) 3630 4840
TRANSPORT WND (MPH) SW 23 SW 10
VENT RATE (KT-FT) 72600 43560
CATEGORY DAY 4 3
INVERSION 8PM 62F/9AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 49 GEN GOOD 27 FAIR 25 FAIR
MAX ADI LATE 7 POOR 64 GOOD 6 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-160830-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 30
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 50 (+10) 79 (+10) 59 82
RH % (24H TREND) 73 (-16) 44 (+9) 98 45
WIND 20FT/EARLY(MPH) LGT/VAR S 7 G18 SW 7 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G21 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.09 0.02
PRECIP DURATION 1 6 3
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 1210
MIXING HGT(FT-AGL/MSL) 3350 3970
TRANSPORT WND (MPH) SW 25 SW 9
VENT RATE (KT-FT) 73700 31760
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 44 GEN GOOD 28 FAIR 26 FAIR
MAX ADI LATE 8 POOR 66 GOOD 7 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-160830-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 80 20
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 50 (+10) 80 (+9) 59 84
RH % (24H TREND) 72 (-24) 44 (+13) 98 41
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G17 SW 5 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.08 0.02
PRECIP DURATION 1 6 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1070 1620
MIXING HGT(FT-AGL/MSL) 3510 5310
TRANSPORT WND (MPH) SW 22 SW 12
VENT RATE (KT-FT) 66690 53100
CATEGORY DAY 4 4
INVERSION 8PM 61F/9AM 8PM 66F/9AM
DISPERSION 4 4
MAX ADI EARLY 5 VERY POOR 48 GEN GOOD 27 FAIR 26 FAIR
MAX ADI LATE 7 POOR 68 GOOD 5 VERY POOR 73 GOOD
MAX LVORI EARLY 3 3 4 7
MAX LVORI LATE 3 1 7 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-160830-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 50 (+10) 80 (+10) 60 83
RH % (24H TREND) 73 (-18) 41 (+9) 96 41
WIND 20FT/EARLY(MPH) LGT/VAR S 5 G17 SW 5 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.08 0.02
PRECIP DURATION 1 6 2
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1060 1570
MIXING HGT(FT-AGL/MSL) 3460 5130
TRANSPORT WND (MPH) SW 23 SW 12
VENT RATE (KT-FT) 69200 51300
CATEGORY DAY 4 3
INVERSION 7PM 67F/10AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 49 GEN GOOD 28 FAIR 27 FAIR
MAX ADI LATE 5 VERY POOR 80 GOOD 5 VERY POOR 69 GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-160830-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 50 60 40
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 48 (+7) 76 (+10) 59 79
RH % (24H TREND) 77 (-16) 48 (+4) 96 49
WIND 20FT/EARLY(MPH) LGT/VAR S 7 SW 7 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.24 0.03
PRECIP DURATION 1 3 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 980 1200
MIXING HGT(FT-AGL/MSL) 3200 3950
TRANSPORT WND (MPH) SW 25 SW 10
VENT RATE (KT-FT) 70400 35550
CATEGORY DAY 4 3
INVERSION 7PM 59F/9AM 7PM 65F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 45 GEN GOOD 18 GEN POOR 18 GEN POOR
MAX ADI LATE 5 VERY POOR 59 GEN GOOD 7 POOR 40 FAIR
MAX LVORI EARLY 3 3 5 6
MAX LVORI LATE 4 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-160830-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 60 40
CHANCE OF THUNDER (%) 0 10 30 0
TEMP (24H TREND) 46 (+4) 76 (+10) 58 78
RH % (24H TREND) 81 (-15) 46 (+2) 97 47
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 5 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.14 0.03
PRECIP DURATION 1 3 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 1290
MIXING HGT(FT-AGL/MSL) 3360 4230
TRANSPORT WND (MPH) SW 24 SW 10
VENT RATE (KT-FT) 70560 38070
CATEGORY DAY 4 3
INVERSION 8PM 57F/9AM 8PM 64F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 52 GEN GOOD 22 FAIR 18 GEN POOR
MAX ADI LATE 5 VERY POOR 75 GOOD 7 POOR 43 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 5 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-160830-
FOREST-
INCLUDING THE CITY OF TIONESTA
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 30 70 40
CHANCE OF THUNDER (%) 0 10 30 0
TEMP (24H TREND) 45 (+3) 76 (+10) 57 77
RH % (24H TREND) 83 (-15) 42 (+1) 95 43
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.08 0.01
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1060 1290
MIXING HGT(FT-AGL/MSL) 3480 4240
TRANSPORT WND (MPH) SW 25 W 10
VENT RATE (KT-FT) 76560 38160
CATEGORY DAY 4 3
INVERSION 8PM 57F/9AM 8PM 63F/9AM
DISPERSION 4 3
MAX ADI EARLY 7 POOR 55 GEN GOOD 22 FAIR 22 FAIR
MAX ADI LATE 5 VERY POOR 83 GOOD 8 POOR 49 GEN GOOD
MAX LVORI EARLY 4 4 5 6
MAX LVORI LATE 5 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-160830-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 40 60 40
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 48 (+7) 78 (+10) 60 80
RH % (24H TREND) 77 (-12) 46 (+5) 95 48
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.18 0.02
PRECIP DURATION 1 4 2
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 970 1170
MIXING HGT(FT-AGL/MSL) 3180 3830
TRANSPORT WND (MPH) SW 24 SW 10
VENT RATE (KT-FT) 66780 34470
CATEGORY DAY 4 3
INVERSION 7PM 59F/9AM 7PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 50 GEN GOOD 20 GEN POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 58 GEN GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 3 5 5
MAX LVORI LATE 4 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-160830-
BUTLER-
INCLUDING THE CITY OF BUTLER
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 30
CHANCE OF THUNDER (%) 0 10 30 20
TEMP (24H TREND) 47 (+6) 78 (+11) 59 79
RH % (24H TREND) 83 (-11) 46 (+1) 98 51
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.17 0.02
PRECIP DURATION 1 3 2
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1080 1230
MIXING HGT(FT-AGL/MSL) 3540 4020
TRANSPORT WND (MPH) SW 24 SW 10
VENT RATE (KT-FT) 74340 36180
CATEGORY DAY 4 3
INVERSION 7PM 59F/9AM 8PM 63F/8AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 49 GEN GOOD 21 FAIR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 65 GOOD 8 POOR 38 FAIR
MAX LVORI EARLY 3 4 5 6
MAX LVORI LATE 5 1 8 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-160830-
CLARION-
INCLUDING THE CITY OF CLARION
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 60 30
CHANCE OF THUNDER (%) 0 10 30 0
TEMP (24H TREND) 46 (+4) 77 (+11) 59 78
RH % (24H TREND) 81 (-15) 45 (+2) 96 46
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.12 0.03
PRECIP DURATION 1 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1070 1280
MIXING HGT(FT-AGL/MSL) 3520 4210
TRANSPORT WND (MPH) SW 23 W 9
VENT RATE (KT-FT) 70400 33680
CATEGORY DAY 4 3
INVERSION 7PM 57F/9AM 8PM 62F/8AM
DISPERSION 4 3
MAX ADI EARLY 7 POOR 47 GEN GOOD 25 FAIR 21 FAIR
MAX ADI LATE 4 VERY POOR 66 GOOD 7 POOR 39 FAIR
MAX LVORI EARLY 3 4 5 6
MAX LVORI LATE 5 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-160830-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 60 30
CHANCE OF THUNDER (%) 0 10 20 0
TEMP (24H TREND) 45 (+2) 76 (+10) 59 77
RH % (24H TREND) 80 (-16) 40 (-1) 94 46
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.11 0.01
PRECIP DURATION 0 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1160 1300
MIXING HGT(FT-AGL/MSL) 3810 4270
TRANSPORT WND (MPH) SW 23 W 10
VENT RATE (KT-FT) 76200 38430
CATEGORY DAY 4 3
INVERSION 8PM 58F/9AM 8PM 64F/9AM
DISPERSION 4 3
MAX ADI EARLY 8 POOR 52 GEN GOOD 27 FAIR 24 FAIR
MAX ADI LATE 4 VERY POOR 80 GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 4 4 6
MAX LVORI LATE 4 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-160830-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 50
CHANCE OF THUNDER (%) 0 0 30 30
TEMP (24H TREND) 49 (+7) 78 (+10) 61 81
RH % (24H TREND) 74 (-8) 44 (+4) 92 49
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.13 0.02
PRECIP DURATION 1 5 2
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1060 1090
MIXING HGT(FT-AGL/MSL) 3470 3560
TRANSPORT WND (MPH) SW 22 SW 10
VENT RATE (KT-FT) 65930 32040
CATEGORY DAY 4 3
INVERSION 8PM 60F/9AM 8PM 64F/8AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 58 GEN GOOD 20 GEN POOR 18 GEN POOR
MAX ADI LATE 6 VERY POOR 66 GOOD 8 POOR 40 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-160830-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 70 40
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 49 (+6) 79 (+11) 61 81
RH % (24H TREND) 79 (-5) 41 (0) 96 49
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 8 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G20 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.09 0.02
PRECIP DURATION 1 4 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1200 1210
MIXING HGT(FT-AGL/MSL) 3950 3960
TRANSPORT WND (MPH) SW 24 SW 9
VENT RATE (KT-FT) 82950 31680
CATEGORY DAY 4 3
INVERSION 8PM 60F/9AM 8PM 64F/8AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 56 GEN GOOD 25 FAIR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 69 GOOD 7 POOR 34 FAIR
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 4 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-160830-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 40
CHANCE OF THUNDER (%) 0 10 20 20
TEMP (24H TREND) 46 (+4) 78 (+11) 59 79
RH % (24H TREND) 84 (-10) 44 (-1) 98 51
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.13 0.01
PRECIP DURATION 0 3 2
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1160 1220
MIXING HGT(FT-AGL/MSL) 3800 4000
TRANSPORT WND (MPH) SW 21 SW 9
VENT RATE (KT-FT) 68400 32000
CATEGORY DAY 4 3
INVERSION 7PM 64F/10AM 7PM 63F/8AM
DISPERSION 4 3
MAX ADI EARLY 7 POOR 49 GEN GOOD 22 FAIR 21 FAIR
MAX ADI LATE 4 VERY POOR 69 GOOD 7 POOR 34 FAIR
MAX LVORI EARLY 3 4 4 7
MAX LVORI LATE 5 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-160830-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 40
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 49 (+8) 79 (+12) 60 81
RH % (24H TREND) 75 (-6) 41 (+1) 95 48
WIND 20FT/EARLY(MPH) LGT/VAR S 7 SW 9 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G21 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.08 0.02
PRECIP DURATION 1 4 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1150 1220
MIXING HGT(FT-AGL/MSL) 3780 3990
TRANSPORT WND (MPH) SW 24 SW 9
VENT RATE (KT-FT) 79380 31920
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 8PM 64F/8AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 54 GEN GOOD 26 FAIR 23 FAIR
MAX ADI LATE 6 VERY POOR 64 GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-160830-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 30
CHANCE OF THUNDER (%) 0 20 30 10
TEMP (24H TREND) 49 (+8) 80 (+12) 60 82
RH % (24H TREND) 74 (-12) 41 (+2) 94 46
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 7 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.01
PRECIP DURATION 0 6 3
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1230 1330
MIXING HGT(FT-AGL/MSL) 4030 4360
TRANSPORT WND (MPH) SW 23 SW 9
VENT RATE (KT-FT) 80600 34880
CATEGORY DAY 4 3
INVERSION 8PM 66F/10AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 57 GEN GOOD 29 FAIR 25 FAIR
MAX ADI LATE 5 VERY POOR 86 GOOD 8 POOR 47 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-160830-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 60 40
CHANCE OF THUNDER (%) 0 10 20 20
TEMP (24H TREND) 48 (+6) 79 (+12) 59 80
RH % (24H TREND) 80 (-9) 41 (-3) 100 51
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 8 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G20 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09 0.01
PRECIP DURATION 0 3 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1200 1120
MIXING HGT(FT-AGL/MSL) 3930 3670
TRANSPORT WND (MPH) SW 23 SW 9
VENT RATE (KT-FT) 78600 29360
CATEGORY DAY 4 3
INVERSION 7PM 61F/9AM 8PM 63F/8AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 47 GEN GOOD 26 FAIR 23 FAIR
MAX ADI LATE 4 VERY POOR 66 GOOD 8 POOR 33 FAIR
MAX LVORI EARLY 3 3 4 7
MAX LVORI LATE 4 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-160830-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 60 30
CHANCE OF THUNDER (%) 0 10 20 20
TEMP (24H TREND) 47 (+4) 80 (+15) 60 79
RH % (24H TREND) 74 (-20) 36 (-8) 95 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 SW 5 G17 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.01
PRECIP DURATION 0 5 4
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1210 1110
MIXING HGT(FT-AGL/MSL) 3970 3640
TRANSPORT WND (MPH) SW 23 W 10
VENT RATE (KT-FT) 79400 32760
CATEGORY DAY 4 3
INVERSION 7PM 61F/9AM 8PM 63F/8AM
DISPERSION 4 3
MAX ADI EARLY 8 POOR 58 GEN GOOD 28 FAIR 27 FAIR
MAX ADI LATE 4 VERY POOR 88 GOOD 9 POOR 37 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-160830-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 30
CHANCE OF THUNDER (%) 0 20 20 10
TEMP (24H TREND) 48 (+7) 80 (+13) 59 81
RH % (24H TREND) 76 (-11) 41 (-2) 98 48
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08 0.01
PRECIP DURATION 0 6 4
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1270 1050
MIXING HGT(FT-AGL/MSL) 4170 3460
TRANSPORT WND (MPH) SW 23 SW 9
VENT RATE (KT-FT) 83400 27680
CATEGORY DAY 4 3
INVERSION 7PM 62F/9AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 51 GEN GOOD 26 FAIR 26 FAIR
MAX ADI LATE 4 VERY POOR 77 GOOD 7 POOR 39 FAIR
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-160830-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 70 20
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 47 (+7) 78 (+14) 57 79
RH % (24H TREND) 72 (-23) 39 (-5) 97 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.01
PRECIP DURATION 0 5 3
PRECIP BEGIN 3 PM 6 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1280 1070
MIXING HGT(FT-AGL/MSL) 4190 3520
TRANSPORT WND (MPH) SW 24 W 10
VENT RATE (KT-FT) 87990 31680
CATEGORY DAY 4 3
INVERSION 7PM 60F/9AM 8PM 65F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 54 GEN GOOD 27 FAIR 30 FAIR
MAX ADI LATE 4 VERY POOR 113 VERY GOOD8 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-160830-
INDIANA-
INCLUDING THE CITY OF INDIANA
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 47 (+4) 79 (+13) 59 78
RH % (24H TREND) 81 (-15) 40 (-5) 97 49
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.09 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1190 1200
MIXING HGT(FT-AGL/MSL) 3920 3950
TRANSPORT WND (MPH) SW 22 W 9
VENT RATE (KT-FT) 74480 31600
CATEGORY DAY 4 3
INVERSION 7PM 60F/9AM 8PM 63F/8AM
DISPERSION 4 3
MAX ADI EARLY 8 POOR 54 GEN GOOD 29 FAIR 23 FAIR
MAX ADI LATE 4 VERY POOR 80 GOOD 8 POOR 35 FAIR
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 4 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-160830-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 47 (+4) 79 (+14) 60 77
RH % (24H TREND) 77 (-20) 37 (-7) 95 47
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 7 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.07 0.00
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1220 1160
MIXING HGT(FT-AGL/MSL) 4010 3820
TRANSPORT WND (MPH) SW 22 W 10
VENT RATE (KT-FT) 76190 34380
CATEGORY DAY 4 3
INVERSION 7PM 65F/10AM 8PM 63F/8AM
DISPERSION 4 3
MAX ADI EARLY 8 POOR 55 GEN GOOD 29 FAIR 26 FAIR
MAX ADI LATE 4 VERY POOR 88 GOOD 9 POOR 37 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 4 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-160830-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 80 50
CHANCE OF THUNDER (%) 0 20 30 30
TEMP (24H TREND) 50 (+8) 78 (+10) 61 81
RH % (24H TREND) 70 (-11) 44 (+6) 91 47
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 7 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.09 0.01
PRECIP DURATION 1 5 2
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1070 1120
MIXING HGT(FT-AGL/MSL) 3500 3660
TRANSPORT WND (MPH) SW 25 SW 10
VENT RATE (KT-FT) 77000 32940
CATEGORY DAY 4 3
INVERSION 8PM 60F/9AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 58 GEN GOOD 23 FAIR 23 FAIR
MAX ADI LATE 7 POOR 65 GOOD 7 POOR 37 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-160830-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 30
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 51 (+10) 78 (+10) 62 81
RH % (24H TREND) 69 (-9) 44 (+8) 89 47
WIND 20FT/EARLY(MPH) LGT/VAR S 6 SW 8 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 11 G20 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.09 0.02
PRECIP DURATION 0 5 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 1140
MIXING HGT(FT-AGL/MSL) 3360 3750
TRANSPORT WND (MPH) SW 24 SW 9
VENT RATE (KT-FT) 70560 30000
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 8PM 67F/9AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 52 GEN GOOD 26 FAIR 26 FAIR
MAX ADI LATE 5 VERY POOR 61 GOOD 7 POOR 33 FAIR
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 5 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-160830-
OHIO-
INCLUDING THE CITY OF WHEELING
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 80 30
CHANCE OF THUNDER (%) 0 20 30 20
TEMP (24H TREND) 50 (+9) 79 (+11) 61 81
RH % (24H TREND) 71 (-11) 44 (+8) 92 46
WIND 20FT/EARLY(MPH) LGT/VAR S 7 SW 8 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 12 G21 SW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.09 0.02
PRECIP DURATION 0 6 3
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1010 1070
MIXING HGT(FT-AGL/MSL) 3300 3510
TRANSPORT WND (MPH) SW 25 SW 9
VENT RATE (KT-FT) 72600 28080
CATEGORY DAY 4 3
INVERSION 8PM 61F/9AM 7PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 49 GEN GOOD 26 FAIR 24 FAIR
MAX ADI LATE 7 POOR 67 GOOD 7 POOR 41 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-160830-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 80 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 51 (+10) 80 (+11) 61 82
RH % (24H TREND) 70 (-12) 42 (+5) 91 46
WIND 20FT/EARLY(MPH) LGT/VAR S 6 G17 SW 7 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 10 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.08 0.02
PRECIP DURATION 1 6 2
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1090 1310
MIXING HGT(FT-AGL/MSL) 3580 4300
TRANSPORT WND (MPH) SW 24 SW 9
VENT RATE (KT-FT) 75180 34400
CATEGORY DAY 4 3
INVERSION 8PM 66F/10AM 8PM 67F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 52 GEN GOOD 27 FAIR 25 FAIR
MAX ADI LATE 6 VERY POOR 74 GOOD 6 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-160830-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 80 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 51 (+10) 80 (+12) 61 83
RH % (24H TREND) 72 (-11) 40 (+4) 93 43
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G20 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.01
PRECIP DURATION 1 3 1
PRECIP BEGIN 12 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1150 1400
MIXING HGT(FT-AGL/MSL) 3770 4580
TRANSPORT WND (MPH) SW 22 SW 10
VENT RATE (KT-FT) 71630 41220
CATEGORY DAY 4 3
INVERSION 8PM 67F/10AM 8PM 70F/10AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 53 GEN GOOD 27 FAIR 29 FAIR
MAX ADI LATE 4 VERY POOR 85 GOOD 5 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-160830-
MARION-
INCLUDING THE CITY OF FAIRMONT
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 49 (+10) 80 (+12) 59 83
RH % (24H TREND) 77 (-17) 42 (+3) 97 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.01
PRECIP DURATION 1 3 1
PRECIP BEGIN 1 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1320 1180
MIXING HGT(FT-AGL/MSL) 4340 3860
TRANSPORT WND (MPH) SW 24 SW 10
VENT RATE (KT-FT) 91140 34740
CATEGORY DAY 4 3
INVERSION 8PM 66F/10AM 8PM 66F/9AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 53 GEN GOOD 28 FAIR 27 FAIR
MAX ADI LATE 4 VERY POOR 104 VERY GOOD6 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 4 1 7 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-160830-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 30 70 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 49 (+9) 80 (+12) 60 82
RH % (24H TREND) 73 (-16) 40 (0) 94 45
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 6 G19 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 9 G19 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.01
PRECIP DURATION 1 7 3
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1340 1160
MIXING HGT(FT-AGL/MSL) 4390 3800
TRANSPORT WND (MPH) SW 23 SW 9
VENT RATE (KT-FT) 87800 30400
CATEGORY DAY 4 3
INVERSION 7PM 67F/10AM 7PM 69F/10AM
DISPERSION 4 3
MAX ADI EARLY 4 VERY POOR 56 GEN GOOD 28 FAIR 25 FAIR
MAX ADI LATE 4 VERY POOR 105 VERY GOOD7 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-160830-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY MCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 70 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 48 (+9) 78 (+14) 58 80
RH % (24H TREND) 70 (-27) 41 (-1) 96 46
WIND 20FT/EARLY(MPH) LGT/VAR S 5 SW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.01
PRECIP DURATION 0 7 3
PRECIP BEGIN 3 PM 6 PM CONTINUING
PRECIP END 5 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1240 1070
MIXING HGT(FT-AGL/MSL) 4060 3510
TRANSPORT WND (MPH) SW 23 SW 10
VENT RATE (KT-FT) 81200 31590
CATEGORY DAY 4 3
INVERSION 7PM 65F/10AM 8PM 67F/10AM
DISPERSION 4 3
MAX ADI EARLY 6 VERY POOR 55 GEN GOOD 28 FAIR 24 FAIR
MAX ADI LATE 4 VERY POOR 109 VERY GOOD8 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 3
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-160830-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 70 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 48 (+9) 78 (+13) 58 81
RH % (24H TREND) 71 (-26) 40 (-2) 97 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.00
PRECIP DURATION 0 5 3
PRECIP BEGIN 3 PM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1260 1100
MIXING HGT(FT-AGL/MSL) 4140 3600
TRANSPORT WND (MPH) SW 23 SW 10
VENT RATE (KT-FT) 82800 32400
CATEGORY DAY 4 3
INVERSION 7PM 61F/9AM 8PM 68F/10AM
DISPERSION 4 3
MAX ADI EARLY 5 VERY POOR 59 GEN GOOD 28 FAIR 27 FAIR
MAX ADI LATE 4 VERY POOR 109 VERY GOOD5 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-160830-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 20
CHANCE OF THUNDER (%) 0 0 20 10
TEMP (24H TREND) 47 (+8) 77 (+14) 58 79
RH % (24H TREND) 70 (-29) 41 (-5) 95 46
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 6 G18 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.00
PRECIP DURATION 5 3
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1290 1150
MIXING HGT(FT-AGL/MSL) 4250 3760
TRANSPORT WND (MPH) SW 23 W 12
VENT RATE (KT-FT) 85000 37600
CATEGORY DAY 4 3
INVERSION 8PM 59F/9AM 8PM 64F/9AM
DISPERSION 4 3
MAX ADI EARLY 7 POOR 60 GEN GOOD 28 FAIR 31 FAIR
MAX ADI LATE 4 VERY POOR 111 VERY GOOD9 POOR 49 GEN GOOD
MAX LVORI EARLY 3 3 4 6
MAX LVORI LATE 3 1 6 2
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-160830-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 0 20 50 20
CHANCE OF THUNDER (%) 0 0 10 0
TEMP (24H TREND) 47 (+9) 78 (+14) 58 81
RH % (24H TREND) 69 (-28) 41 (-2) 92 41
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR SW 5 G17 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR SW 8 G18 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.02 0.00
PRECIP DURATION 0 2 1
PRECIP BEGIN 4 PM 7 PM CONTINUING
PRECIP END 6 PM CONTINUING 2 PM
MIXING HGT(M-AGL/MSL) 1380 1520
MIXING HGT(FT-AGL/MSL) 4510 4990
TRANSPORT WND (MPH) SW 22 W 13
VENT RATE (KT-FT) 85690 54890
CATEGORY DAY 4 4
INVERSION 7PM 59F/9AM 8PM 64F/9AM
DISPERSION 4 4
MAX ADI EARLY 6 VERY POOR 64 GOOD 28 FAIR 40 FAIR
MAX ADI LATE 4 VERY POOR 112 VERY GOOD5 VERY POOR 75 GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 6 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-160830-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1217 PM EDT FRI MAY 15 2026
TONIGHT SAT SAT NIGHT SUN
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 40 20
CHANCE OF THUNDER (%) 0 0 10 20
TEMP (24H TREND) 43 (+6) 75 (+16) 55 77
RH % (24H TREND) 70 (-28) 43 (-6) 93 45
WIND 20FT/EARLY(MPH) LGT/VAR LGT/VAR W 7 G23 LGT/VAR
WIND 20FT/LATE(MPH) LGT/VAR W 8 G23 W 5 G18 W 5 G17
PRECIP AMOUNT 0.00 0.00 0.01 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1380 1530
MIXING HGT(FT-AGL/MSL) 4530 5020
TRANSPORT WND (MPH) W 23 W 14
VENT RATE (KT-FT) 90600 60240
CATEGORY DAY 4 4
INVERSION 8PM 58F/9AM 9PM 60F/8AM
DISPERSION 4 4
MAX ADI EARLY 8 POOR 67 GOOD 31 FAIR 43 GEN GOOD
MAX ADI LATE 4 VERY POOR 116 VERY GOOD12 POOR 79 GOOD
MAX LVORI EARLY 3 3 4 5
MAX LVORI LATE 3 1 5 1
REMARKS...ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S. SOUTHEAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE UPPER
80S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. WEST WINDS
10 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE LOWER 70S. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. SOUTH WINDS 5 TO 10 MPH.
MLB
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