430
FNUS51 KPBZ 191647
FWFPBZ
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE PITTSBURGH PA
1247 PM EDT TUE AUG 19 2025
DISCUSSION
OVERNIGHT TONIGHT, RAIN IS EXPECTED TO MOVE THROUGH AHEAD OF A
COLD FRONT. THE BOUNDARY IS FORECAST TO MOVE THROUGH THE REGION
TOMORROW LOWERING THE HIGH TEMPERATURES AND INCREASING THE DEW
POINTS. THIS WILL INCREASE MOISTURE ACROSS THE REGION WITH MINIMUM
RELATIVE HUMIDITY REMAINING ABOVE 60%.
TOMORROW, SOUTH-SOUTHEASTERLY WIND IS EXPECTED TO GRADUALLY VEER
OUT OF THE NORTH BY WEDNESDAY NIGHT. BY THURSDAY, WIND WILL
GRADUALLY SHIFT OUT OF THE NORTHEAST WITH MINIMUM RELATIVE
HUMIDITY AROUND 50%. WIND GUSTS ON BOTH DAYS ARE FORECAST TO
REMAIN BELOW 20 MPH.
OHZ039-200830-
TUSCARAWAS-
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 10 20
CHANCE OF THUNDER (%) 50 20 0 0
TEMP (24H TREND) 67 (+8) 81 (-7) 63 81
RH % (24H TREND) 100 (+9) 69 (+19) 100 59
20FT WND-VAL/AM(MPH) LGT/VAR NE 5
20FT WND-RDG/PM(MPH) LGT/VAR NW 5 N 5 NE 6
PRECIP AMOUNT 0.32 0.01 0.00 0.00
PRECIP DURATION 5 2 1 0
PRECIP BEGIN 6 PM 8 AM CONTINUING 2 PM
PRECIP END 6 AM CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1050 1450
MIXING HGT(FT-AGL/MSL) 3460 4760
TRANSPORT WND (MPH) N 9 NE 13
VENT RATE (KT-FT) 27680 52360
DISPERSION 3 4
ADI EARLY 8 POOR 21 FAIR 17 GEN POOR 39 FAIR
ADI LATE 4 VERY POOR 38 FAIR 9 POOR 67 GOOD
MAX LVORI EARLY 6 8 6 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ040-200830-
CARROLL-
INCLUDING THE CITIES OF CARROLLTON AND MALVERN
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 40 20 20
CHANCE OF THUNDER (%) 50 20 0 20
TEMP (24H TREND) 66 (+8) 81 (-7) 63 81
RH % (24H TREND) 100 (+6) 70 (+21) 100 60
20FT WND-VAL/AM(MPH) LGT/VAR NE 5
20FT WND-RDG/PM(MPH) LGT/VAR NW 5 N 6 NE 6
PRECIP AMOUNT 0.46 0.01 0.00 0.00
PRECIP DURATION 6 2 1 0
PRECIP BEGIN 6 PM 10 AM CONTINUING 2 PM
PRECIP END 6 AM CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1010 1530
MIXING HGT(FT-AGL/MSL) 3300 5030
TRANSPORT WND (MPH) NW 8 NE 12
VENT RATE (KT-FT) 23100 50300
DISPERSION 3 3
ADI EARLY 6 VERY POOR 19 GEN POOR 17 GEN POOR 35 FAIR
ADI LATE 5 VERY POOR 34 FAIR 9 POOR 68 GOOD
MAX LVORI EARLY 5 8 6 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ041-200830-
COLUMBIANA-
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 40 20 20
CHANCE OF THUNDER (%) 50 30 0 20
TEMP (24H TREND) 66 (+9) 81 (-7) 63 81
RH % (24H TREND) 100 (+3) 69 (+20) 100 59
20FT WND-VAL/AM(MPH) LGT/VAR NE 5
20FT WND-RDG/PM(MPH) LGT/VAR NW 5 N 5 NE 6
PRECIP AMOUNT 0.49 0.01 0.00 0.00
PRECIP DURATION 5 3 1 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1020 1530
MIXING HGT(FT-AGL/MSL) 3340 5020
TRANSPORT WND (MPH) NW 8 NE 12
VENT RATE (KT-FT) 23380 50200
DISPERSION 3 3
ADI EARLY 7 POOR 18 GEN POOR 16 GEN POOR 33 FAIR
ADI LATE 5 VERY POOR 33 FAIR 9 POOR 62 GOOD
MAX LVORI EARLY 5 8 6 7
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ048-200830-
COSHOCTON-
INCLUDING THE CITY OF COSHOCTON
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 70 30 0 20
CHANCE OF THUNDER (%) 50 20 0 0
TEMP (24H TREND) 67 (+9) 81 (-8) 63 81
RH % (24H TREND) 100 (+2) 69 (+17) 100 62
20FT WND-VAL/AM(MPH) LGT/VAR N 5
20FT WND-RDG/PM(MPH) LGT/VAR N 5 N 5 NE 6
PRECIP AMOUNT 0.27 0.01 0.00 0.00
PRECIP DURATION 5 2 0
PRECIP BEGIN 6 PM 8 AM 2 PM
PRECIP END 6 AM 6 PM 6 PM
MIXING HGT(M-AGL/MSL) 1060 1390
MIXING HGT(FT-AGL/MSL) 3470 4550
TRANSPORT WND (MPH) N 10 NE 13
VENT RATE (KT-FT) 31230 50050
DISPERSION 3 4
ADI EARLY 6 VERY POOR 23 FAIR 16 GEN POOR 36 FAIR
ADI LATE 3 VERY POOR 41 GEN GOOD 10 POOR 68 GOOD
MAX LVORI EARLY 6 8 7 7
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ049-200830-
HARRISON-
INCLUDING THE CITY OF CADIZ
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 40 20 20
CHANCE OF THUNDER (%) 40 20 20 20
TEMP (24H TREND) 67 (+8) 82 (-6) 64 81
RH % (24H TREND) 100 (+8) 67 (+19) 100 59
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR N 5 NE 5
PRECIP AMOUNT 0.39 0.03 0.00 0.00
PRECIP DURATION 4 3 1 0
PRECIP BEGIN 7 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1150 1580
MIXING HGT(FT-AGL/MSL) 3770 5170
TRANSPORT WND (MPH) N 9 NE 13
VENT RATE (KT-FT) 30160 56870
DISPERSION 3 4
ADI EARLY 4 VERY POOR 14 GEN POOR 8 POOR 35 FAIR
ADI LATE 4 VERY POOR 34 FAIR 8 POOR 69 GOOD
MAX LVORI EARLY 5 8 6 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ050-200830-
JEFFERSON OH-
INCLUDING THE CITY OF STEUBENVILLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 70 40 30 20
CHANCE OF THUNDER (%) 40 30 20 20
TEMP (24H TREND) 68 (+9) 82 (-6) 64 81
RH % (24H TREND) 100 (+3) 65 (+20) 100 57
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR N 5 NE 6
PRECIP AMOUNT 0.35 0.04 0.00 0.00
PRECIP DURATION 4 3 1 0
PRECIP BEGIN 7 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1220 1550
MIXING HGT(FT-AGL/MSL) 4010 5070
TRANSPORT WND (MPH) N 9 NE 12
VENT RATE (KT-FT) 32080 50700
DISPERSION 3 3
ADI EARLY 5 VERY POOR 15 GEN POOR 8 POOR 36 FAIR
ADI LATE 4 VERY POOR 33 FAIR 9 POOR 64 GOOD
MAX LVORI EARLY 4 8 6 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ057-200830-
MUSKINGUM-
INCLUDING THE CITY OF ZANESVILLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS NONE TSTMS
CHANCE PRECIP (%) 60 20 0 20
CHANCE OF THUNDER (%) 50 20 0 20
TEMP (24H TREND) 68 (+8) 82 (-7) 64 82
RH % (24H TREND) 100 (+1) 68 (+16) 100 62
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR N 5
PRECIP AMOUNT 0.35 0.01 0.00 0.00
PRECIP DURATION 4 1 0
PRECIP BEGIN 6 PM 8 AM 2 PM
PRECIP END 6 AM 6 PM 6 PM
MIXING HGT(M-AGL/MSL) 1110 1350
MIXING HGT(FT-AGL/MSL) 3630 4410
TRANSPORT WND (MPH) N 9 NE 12
VENT RATE (KT-FT) 29040 44100
DISPERSION 3 3
ADI EARLY 4 VERY POOR 18 GEN POOR 10 POOR 36 FAIR
ADI LATE 3 VERY POOR 37 FAIR 9 POOR 59 GEN GOOD
MAX LVORI EARLY 6 9 7 6
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ058-200830-
GUERNSEY-
INCLUDING THE CITY OF CAMBRIDGE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 30 20 20
CHANCE OF THUNDER (%) 40 20 0 20
TEMP (24H TREND) 68 (+10) 82 (-7) 64 83
RH % (24H TREND) 100 (+3) 67 (+17) 100 61
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.24 0.01 0.00 0.00
PRECIP DURATION 4 3 1 0
PRECIP BEGIN 7 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1160 1490
MIXING HGT(FT-AGL/MSL) 3790 4880
TRANSPORT WND (MPH) N 10 NE 12
VENT RATE (KT-FT) 34110 48800
DISPERSION 3 3
ADI EARLY 4 VERY POOR 13 GEN POOR 8 POOR 37 FAIR
ADI LATE 4 VERY POOR 35 FAIR 8 POOR 59 GEN GOOD
MAX LVORI EARLY 6 8 7 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ059-200830-
BELMONT-
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 40 30 20
CHANCE OF THUNDER (%) 40 30 20 20
TEMP (24H TREND) 68 (+9) 82 (-7) 65 82
RH % (24H TREND) 100 (+5) 68 (+19) 100 61
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.16 0.03 0.00 0.00
PRECIP DURATION 3 4 1 0
PRECIP BEGIN 9 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1120 1610
MIXING HGT(FT-AGL/MSL) 3660 5280
TRANSPORT WND (MPH) NW 7 NE 12
VENT RATE (KT-FT) 21960 52800
DISPERSION 2 4
ADI EARLY 4 VERY POOR 17 GEN POOR 8 POOR 36 FAIR
ADI LATE 4 VERY POOR 32 FAIR 8 POOR 67 GOOD
MAX LVORI EARLY 5 8 7 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ068-200830-
NOBLE-
INCLUDING THE CITY OF CALDWELL
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 30 30 20
CHANCE OF THUNDER (%) 40 20 20 20
TEMP (24H TREND) 68 (+8) 82 (-7) 65 83
RH % (24H TREND) 100 (+1) 68 (+17) 100 62
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.01 0.00 0.00
PRECIP DURATION 3 2 1 0
PRECIP BEGIN 10 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 8 PM 6 PM
MIXING HGT(M-AGL/MSL) 1130 1510
MIXING HGT(FT-AGL/MSL) 3710 4940
TRANSPORT WND (MPH) NW 7 NE 10
VENT RATE (KT-FT) 22260 44460
DISPERSION 2 3
ADI EARLY 4 VERY POOR 15 GEN POOR 9 POOR 34 FAIR
ADI LATE 4 VERY POOR 36 FAIR 8 POOR 56 GEN GOOD
MAX LVORI EARLY 5 9 7 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
OHZ069-200830-
MONROE-
INCLUDING THE CITY OF WOODSFIELD
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 40 30 20
CHANCE OF THUNDER (%) 30 30 30 20
TEMP (24H TREND) 68 (+7) 83 (-6) 66 83
RH % (24H TREND) 100 (+2) 68 (+17) 100 62
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.01 0.00 0.00
PRECIP DURATION 3 3 1 0
PRECIP BEGIN 10 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 8 PM 6 PM
MIXING HGT(M-AGL/MSL) 1190 1640
MIXING HGT(FT-AGL/MSL) 3900 5400
TRANSPORT WND (MPH) N 8 NE 10
VENT RATE (KT-FT) 27300 48600
DISPERSION 3 4
ADI EARLY 4 VERY POOR 16 GEN POOR 8 POOR 31 FAIR
ADI LATE 4 VERY POOR 32 FAIR 9 POOR 67 GOOD
MAX LVORI EARLY 5 8 8 8
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ007-200830-
MERCER-
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 20 20
CHANCE OF THUNDER (%) 50 30 0 0
TEMP (24H TREND) 64 (+6) 79 (-6) 61 79
RH % (24H TREND) 100 (+1) 75 (+19) 100 62
20FT WND-VAL/AM(MPH) LGT/VAR NE 5
20FT WND-RDG/PM(MPH) LGT/VAR NW 5 LGT/VAR NE 6
PRECIP AMOUNT 0.41 0.03 0.00 0.00
PRECIP DURATION 6 3 1 0
PRECIP BEGIN 6 PM CONTINUING 8 PM 2 PM
PRECIP END CONTINUING 6 PM 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 980 1390
MIXING HGT(FT-AGL/MSL) 3200 4580
TRANSPORT WND (MPH) N 9 NE 12
VENT RATE (KT-FT) 25600 45800
DISPERSION 2 3
ADI EARLY 11 POOR 14 GEN POOR 10 POOR 29 FAIR
ADI LATE 10 POOR 31 FAIR 9 POOR 56 GEN GOOD
MAX LVORI EARLY 5 9 8 5
MAX LVORI LATE 8 5 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ008-200830-
VENANGO-
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 50 20 20
CHANCE OF THUNDER (%) 40 30 0 0
TEMP (24H TREND) 63 (+5) 77 (-6) 61 78
RH % (24H TREND) 100 (+2) 77 (+20) 100 64
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.28 0.09 0.01 0.00
PRECIP DURATION 5 3 1 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 960 1420
MIXING HGT(FT-AGL/MSL) 3130 4640
TRANSPORT WND (MPH) NW 8 NE 10
VENT RATE (KT-FT) 21910 41760
DISPERSION 2 3
ADI EARLY 14 GEN POOR 11 POOR 8 POOR 31 FAIR
ADI LATE 11 POOR 24 FAIR 9 POOR 56 GEN GOOD
MAX LVORI EARLY 5 8 8 5
MAX LVORI LATE 8 5 8 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ009-200830-
FOREST-
INCLUDING THE CITY OF TIONESTA
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 50 30 20
CHANCE OF THUNDER (%) 40 40 0 0
TEMP (24H TREND) 61 (+3) 77 (-3) 60 77
RH % (24H TREND) 100 (+4) 74 (+20) 100 59
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.20 0.12 0.02 0.00
PRECIP DURATION 4 5 3 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 890 1220
MIXING HGT(FT-AGL/MSL) 2910 3990
TRANSPORT WND (MPH) NW 7 NE 10
VENT RATE (KT-FT) 17460 35910
DISPERSION 2 3
ADI EARLY 13 GEN POOR 12 POOR 5 VERY POOR 32 FAIR
ADI LATE 11 POOR 18 GEN POOR 5 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 5 8 9 5
MAX LVORI LATE 8 5 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ013-200830-
LAWRENCE-
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 40 20 20
CHANCE OF THUNDER (%) 40 30 0 0
TEMP (24H TREND) 65 (+10) 80 (-7) 62 81
RH % (24H TREND) 100 (0) 71 (+21) 100 60
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.39 0.03 0.00 0.00
PRECIP DURATION 5 3 1 0
PRECIP BEGIN 6 PM CONTINUING 8 PM 2 PM
PRECIP END CONTINUING 6 PM 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1070 1440
MIXING HGT(FT-AGL/MSL) 3510 4720
TRANSPORT WND (MPH) NW 8 NE 10
VENT RATE (KT-FT) 24570 42480
DISPERSION 3 3
ADI EARLY 10 POOR 15 GEN POOR 8 POOR 32 FAIR
ADI LATE 8 POOR 31 FAIR 8 POOR 56 GEN GOOD
MAX LVORI EARLY 5 8 8 6
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ014-200830-
BUTLER-
INCLUDING THE CITY OF BUTLER
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 40 20 20
CHANCE OF THUNDER (%) 40 30 0 20
TEMP (24H TREND) 64 (+6) 80 (-6) 62 80
RH % (24H TREND) 100 (+1) 73 (+19) 100 63
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.25 0.07 0.01 0.00
PRECIP DURATION 3 4 1 1
PRECIP BEGIN 7 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 980 1470
MIXING HGT(FT-AGL/MSL) 3220 4840
TRANSPORT WND (MPH) NW 6 NE 10
VENT RATE (KT-FT) 16100 43560
DISPERSION 2 3
ADI EARLY 11 POOR 13 GEN POOR 7 POOR 38 FAIR
ADI LATE 9 POOR 24 FAIR 8 POOR 55 GEN GOOD
MAX LVORI EARLY 5 8 8 8
MAX LVORI LATE 8 5 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ015-200830-
CLARION-
INCLUDING THE CITY OF CLARION
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 50 30 20
CHANCE OF THUNDER (%) 40 30 20 0
TEMP (24H TREND) 63 (+3) 79 (-3) 62 80
RH % (24H TREND) 100 (+3) 69 (+17) 100 58
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 6 G17 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.24 0.16 0.03 0.00
PRECIP DURATION 3 4 3 1
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 960 1330
MIXING HGT(FT-AGL/MSL) 3150 4360
TRANSPORT WND (MPH) W 6 NE 10
VENT RATE (KT-FT) 15750 39240
DISPERSION 2 3
ADI EARLY 17 GEN POOR 15 GEN POOR 6 VERY POOR 35 FAIR
ADI LATE 14 GEN POOR 18 GEN POOR 8 POOR 52 GEN GOOD
MAX LVORI EARLY 4 8 8 8
MAX LVORI LATE 8 5 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ016-200830-
JEFFERSON PA-
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 70 60 50 30
CHANCE OF THUNDER (%) 40 40 30 0
TEMP (24H TREND) 61 (0) 78 (-1) 60 78
RH % (24H TREND) 100 (+6) 68 (+14) 100 58
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 8 G18 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.22 0.15 0.04 0.00
PRECIP DURATION 3 5 4 2
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 880 1330
MIXING HGT(FT-AGL/MSL) 2900 4370
TRANSPORT WND (MPH) W 6 NE 10
VENT RATE (KT-FT) 14500 39330
DISPERSION 2 3
ADI EARLY 22 FAIR 17 GEN POOR 6 VERY POOR 32 FAIR
ADI LATE 15 GEN POOR 18 GEN POOR 7 POOR 44 GEN GOOD
MAX LVORI EARLY 4 8 7 7
MAX LVORI LATE 7 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ020-200830-
BEAVER-
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,
AND MONACA
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 40 20 20
CHANCE OF THUNDER (%) 40 30 0 20
TEMP (24H TREND) 66 (+11) 81 (-7) 63 81
RH % (24H TREND) 100 (+3) 67 (+21) 99 57
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.37 0.03 0.00 0.00
PRECIP DURATION 4 3 1 0
PRECIP BEGIN 6 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1090 1570
MIXING HGT(FT-AGL/MSL) 3590 5150
TRANSPORT WND (MPH) NW 7 NE 10
VENT RATE (KT-FT) 21540 46350
DISPERSION 2 3
ADI EARLY 8 POOR 15 GEN POOR 7 POOR 38 FAIR
ADI LATE 8 POOR 29 FAIR 7 POOR 60 GEN GOOD
MAX LVORI EARLY 4 8 6 6
MAX LVORI LATE 9 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ021-200830-
ALLEGHENY-
INCLUDING THE CITY OF PITTSBURGH METRO AREA
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 40 30
CHANCE OF THUNDER (%) 40 30 30 20
TEMP (24H TREND) 66 (+4) 82 (-5) 65 81
RH % (24H TREND) 99 (+4) 68 (+18) 100 59
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 6 LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.21 0.06 0.02 0.00
PRECIP DURATION 3 3 1 2
PRECIP BEGIN 9 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1140 1640
MIXING HGT(FT-AGL/MSL) 3730 5390
TRANSPORT WND (MPH) NW 7 NE 10
VENT RATE (KT-FT) 22380 48510
DISPERSION 2 4
ADI EARLY 10 POOR 18 GEN POOR 7 POOR 41 GEN GOOD
ADI LATE 8 POOR 25 FAIR 8 POOR 57 GEN GOOD
MAX LVORI EARLY 4 7 6 8
MAX LVORI LATE 6 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ022-200830-
ARMSTRONG-
INCLUDING THE CITIES OF KITTANNING AND FORD CITY
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 50 30
CHANCE OF THUNDER (%) 40 30 30 20
TEMP (24H TREND) 64 (+2) 80 (-4) 63 80
RH % (24H TREND) 100 (+3) 69 (+14) 100 60
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 7 G17 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.19 0.11 0.04 0.00
PRECIP DURATION 2 4 4 2
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 920 1390
MIXING HGT(FT-AGL/MSL) 3010 4580
TRANSPORT WND (MPH) W 6 NE 9
VENT RATE (KT-FT) 15050 36640
DISPERSION 2 3
ADI EARLY 17 GEN POOR 16 GEN POOR 5 VERY POOR 37 FAIR
ADI LATE 11 POOR 19 GEN POOR 7 POOR 42 GEN GOOD
MAX LVORI EARLY 5 8 8 7
MAX LVORI LATE 8 5 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ029-200830-
WASHINGTON-
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 50 30
CHANCE OF THUNDER (%) 30 40 30 20
TEMP (24H TREND) 67 (+7) 82 (-5) 66 81
RH % (24H TREND) 99 (+1) 68 (+20) 100 60
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.10 0.05 0.01 0.00
PRECIP DURATION 3 3 1 2
PRECIP BEGIN 9 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1150 1560
MIXING HGT(FT-AGL/MSL) 3770 5110
TRANSPORT WND (MPH) NW 6 NE 12
VENT RATE (KT-FT) 18850 51100
DISPERSION 2 3
ADI EARLY 8 POOR 17 GEN POOR 7 POOR 35 FAIR
ADI LATE 8 POOR 28 FAIR 7 POOR 62 GOOD
MAX LVORI EARLY 4 7 6 8
MAX LVORI LATE 6 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ031-200830-
GREENE-
INCLUDING THE CITY OF WAYNESBURG
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 60 30
CHANCE OF THUNDER (%) 20 40 40 30
TEMP (24H TREND) 67 (+5) 83 (-5) 66 81
RH % (24H TREND) 97 (-1) 70 (+18) 100 63
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.03 0.02 0.00
PRECIP DURATION 1 5 2 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1200 1540
MIXING HGT(FT-AGL/MSL) 3940 5060
TRANSPORT WND (MPH) NW 6 NE 10
VENT RATE (KT-FT) 19700 45540
DISPERSION 2 3
ADI EARLY 6 VERY POOR 16 GEN POOR 6 VERY POOR 33 FAIR
ADI LATE 8 POOR 32 FAIR 5 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 5 6 7 8
MAX LVORI LATE 6 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ073-200830-
WESTMORELAND-
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,
LOWER BURRELL, LATROBE, AND MONESSEN
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 60 50 30
CHANCE OF THUNDER (%) 40 40 40 20
TEMP (24H TREND) 65 (+2) 82 (-3) 65 80
RH % (24H TREND) 100 (+3) 71 (+16) 100 63
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 7 G17 LGT/VAR LGT/VAR NE 6
PRECIP AMOUNT 0.06 0.14 0.05 0.01
PRECIP DURATION 2 4 4 2
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1060 1510
MIXING HGT(FT-AGL/MSL) 3480 4950
TRANSPORT WND (MPH) W 6 NE 9
VENT RATE (KT-FT) 17400 39600
DISPERSION 2 3
ADI EARLY 11 POOR 20 GEN POOR 5 VERY POOR 31 FAIR
ADI LATE 10 POOR 22 FAIR 6 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 5 7 9 8
MAX LVORI LATE 7 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ074-200830-
HIGHER ELEVATIONS OF WESTMORELAND-
INCLUDING THE CITIES OF LIGONIER AND DONEGAL
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 30 60 50 40
CHANCE OF THUNDER (%) 30 40 40 20
TEMP (24H TREND) 64 (+1) 82 (+2) 63 79
RH % (24H TREND) 99 (+3) 66 (+9) 100 59
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 8 G20 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.16 0.13 0.03
PRECIP DURATION 1 5 5 5
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1030 1380
MIXING HGT(FT-AGL/MSL) 3380 4540
TRANSPORT WND (MPH) SW 7 E 8
VENT RATE (KT-FT) 20280 31780
DISPERSION 2 3
ADI EARLY 13 GEN POOR 18 GEN POOR 4 VERY POOR 26 FAIR
ADI LATE 12 POOR 25 FAIR 4 VERY POOR 29 FAIR
MAX LVORI EARLY 4 6 8 7
MAX LVORI LATE 6 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ075-200830-
FAYETTE-
INCLUDING THE CITY OF UNIONTOWN
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 60 60 30
CHANCE OF THUNDER (%) 20 50 40 30
TEMP (24H TREND) 67 (+2) 83 (-3) 66 81
RH % (24H TREND) 94 (+1) 69 (+16) 100 63
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 6 LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.00 0.08 0.06 0.01
PRECIP DURATION 0 4 4 2
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1140 1520
MIXING HGT(FT-AGL/MSL) 3730 4980
TRANSPORT WND (MPH) NW 6 NE 9
VENT RATE (KT-FT) 18650 39840
DISPERSION 2 3
ADI EARLY 11 POOR 16 GEN POOR 4 VERY POOR 28 FAIR
ADI LATE 8 POOR 26 FAIR 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 4 6 8 8
MAX LVORI LATE 6 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ076-200830-
HIGHER ELEVATIONS OF FAYETTE-
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 50 40
CHANCE OF THUNDER (%) 0 50 40 20
TEMP (24H TREND) 62 (-2) 81 (-1) 63 78
RH % (24H TREND) 100 (+4) 71 (+13) 100 66
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 6 G18 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.09 0.14 0.02
PRECIP DURATION 5 4 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1020 1280
MIXING HGT(FT-AGL/MSL) 3360 4200
TRANSPORT WND (MPH) W 6 NE 8
VENT RATE (KT-FT) 16800 29400
DISPERSION 2 3
ADI EARLY 10 POOR 14 GEN POOR 4 VERY POOR 24 FAIR
ADI LATE 8 POOR 23 FAIR 4 VERY POOR 31 FAIR
MAX LVORI EARLY 6 7 9 8
MAX LVORI LATE 7 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ077-200830-
INDIANA-
INCLUDING THE CITY OF INDIANA
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 60 30
CHANCE OF THUNDER (%) 40 40 30 20
TEMP (24H TREND) 62 (-1) 80 (-1) 62 79
RH % (24H TREND) 99 (+5) 70 (+12) 100 61
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 8 G19 LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.09 0.17 0.09 0.00
PRECIP DURATION 2 4 5 3
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 920 1400
MIXING HGT(FT-AGL/MSL) 3030 4590
TRANSPORT WND (MPH) W 6 NE 9
VENT RATE (KT-FT) 15150 36720
DISPERSION 2 3
ADI EARLY 15 GEN POOR 20 GEN POOR 5 VERY POOR 30 FAIR
ADI LATE 15 GEN POOR 21 FAIR 8 POOR 37 FAIR
MAX LVORI EARLY 4 8 8 8
MAX LVORI LATE 6 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
PAZ078-200830-
HIGHER ELEVATIONS OF INDIANA-
INCLUDING THE CITY OF ARMAGH
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 60 50 30
CHANCE OF THUNDER (%) 40 40 30 20
TEMP (24H TREND) 64 (+1) 79 (+1) 63 77
RH % (24H TREND) 99 (+6) 72 (+11) 100 63
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 9 G19 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.05 0.15 0.07 0.01
PRECIP DURATION 1 4 5 3
PRECIP BEGIN 1 AM CONTINUING CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 850 1360
MIXING HGT(FT-AGL/MSL) 2790 4460
TRANSPORT WND (MPH) W 6 NE 9
VENT RATE (KT-FT) 13950 35680
DISPERSION 2 3
ADI EARLY 16 GEN POOR 19 GEN POOR 4 VERY POOR 28 FAIR
ADI LATE 15 GEN POOR 22 FAIR 8 POOR 35 FAIR
MAX LVORI EARLY 4 7 8 7
MAX LVORI LATE 5 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ001-200830-
HANCOCK-
INCLUDING THE CITY OF WEIRTON
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 70 40 30 20
CHANCE OF THUNDER (%) 40 30 0 20
TEMP (24H TREND) 68 (+9) 81 (-7) 65 81
RH % (24H TREND) 100 (+3) 65 (+21) 99 57
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.34 0.02 0.00 0.00
PRECIP DURATION 4 3 1 0
PRECIP BEGIN 7 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1230 1540
MIXING HGT(FT-AGL/MSL) 4030 5060
TRANSPORT WND (MPH) N 8 NE 12
VENT RATE (KT-FT) 28210 50600
DISPERSION 3 3
ADI EARLY 8 POOR 15 GEN POOR 8 POOR 39 FAIR
ADI LATE 6 VERY POOR 31 FAIR 8 POOR 64 GOOD
MAX LVORI EARLY 4 8 5 7
MAX LVORI LATE 8 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ002-200830-
BROOKE-
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 50 30 20
CHANCE OF THUNDER (%) 30 30 30 20
TEMP (24H TREND) 69 (+9) 82 (-7) 66 83
RH % (24H TREND) 98 (0) 65 (+20) 99 57
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.27 0.09 0.00 0.00
PRECIP DURATION 3 3 1 1
PRECIP BEGIN 9 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1220 1590
MIXING HGT(FT-AGL/MSL) 3990 5220
TRANSPORT WND (MPH) N 8 NE 12
VENT RATE (KT-FT) 27930 52200
DISPERSION 3 3
ADI EARLY 8 POOR 18 GEN POOR 8 POOR 39 FAIR
ADI LATE 6 VERY POOR 29 FAIR 7 POOR 66 GOOD
MAX LVORI EARLY 4 7 5 7
MAX LVORI LATE 7 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ003-200830-
OHIO-
INCLUDING THE CITY OF WHEELING
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 50 50 40 30
CHANCE OF THUNDER (%) 30 30 30 20
TEMP (24H TREND) 68 (+8) 82 (-7) 66 82
RH % (24H TREND) 99 (+1) 69 (+21) 100 60
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR NE 5
PRECIP AMOUNT 0.15 0.07 0.00 0.00
PRECIP DURATION 3 3 1 2
PRECIP BEGIN 9 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1150 1650
MIXING HGT(FT-AGL/MSL) 3760 5420
TRANSPORT WND (MPH) NW 6 NE 12
VENT RATE (KT-FT) 18800 54200
DISPERSION 2 4
ADI EARLY 8 POOR 18 GEN POOR 7 POOR 33 FAIR
ADI LATE 6 VERY POOR 31 FAIR 8 POOR 68 GOOD
MAX LVORI EARLY 4 8 6 8
MAX LVORI LATE 7 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ004-200830-
MARSHALL-
INCLUDING THE CITY OF MOUNDSVILLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 40 50 40 30
CHANCE OF THUNDER (%) 30 40 30 20
TEMP (24H TREND) 68 (+7) 83 (-6) 66 84
RH % (24H TREND) 99 (+2) 72 (+20) 100 64
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.02 0.01 0.00
PRECIP DURATION 2 4 1 2
PRECIP BEGIN 10 PM CONTINUING CONTINUING 8 AM
PRECIP END CONTINUING CONTINUING 8 PM 6 PM
MIXING HGT(M-AGL/MSL) 1220 1720
MIXING HGT(FT-AGL/MSL) 3990 5650
TRANSPORT WND (MPH) NW 6 NE 10
VENT RATE (KT-FT) 19950 50850
DISPERSION 2 4
ADI EARLY 6 VERY POOR 16 GEN POOR 7 POOR 36 FAIR
ADI LATE 5 VERY POOR 31 FAIR 8 POOR 67 GOOD
MAX LVORI EARLY 4 7 7 8
MAX LVORI LATE 6 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ012-200830-
WETZEL-
INCLUDING THE CITY OF NEW MARTINSVILLE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 50 50 30
CHANCE OF THUNDER (%) 20 40 30 30
TEMP (24H TREND) 68 (+6) 83 (-5) 66 83
RH % (24H TREND) 98 (+1) 73 (+18) 100 65
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.01 0.00
PRECIP DURATION 1 4 1 2
PRECIP BEGIN 11 PM CONTINUING CONTINUING 2 PM
PRECIP END CONTINUING CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1190 1620
MIXING HGT(FT-AGL/MSL) 3910 5310
TRANSPORT WND (MPH) NW 6 NE 12
VENT RATE (KT-FT) 19550 53100
DISPERSION 2 4
ADI EARLY 4 VERY POOR 15 GEN POOR 6 VERY POOR 36 FAIR
ADI LATE 5 VERY POOR 32 FAIR 8 POOR 70 GOOD
MAX LVORI EARLY 5 6 8 8
MAX LVORI LATE 6 4 8 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ021-200830-
MARION-
INCLUDING THE CITY OF FAIRMONT
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 50 30
CHANCE OF THUNDER (%) 0 50 40 30
TEMP (24H TREND) 67 (+4) 83 (-4) 66 82
RH % (24H TREND) 96 (-1) 73 (+18) 100 67
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.02 0.00
PRECIP DURATION 4 1 2
PRECIP BEGIN 6 AM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1240 1420
MIXING HGT(FT-AGL/MSL) 4080 4650
TRANSPORT WND (MPH) W 6 NE 10
VENT RATE (KT-FT) 20400 41850
DISPERSION 2 3
ADI EARLY 6 VERY POOR 17 GEN POOR 5 VERY POOR 33 FAIR
ADI LATE 5 VERY POOR 29 FAIR 5 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 5 6 9 8
MAX LVORI LATE 6 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ509-200830-
MONONGALIA-
INCLUDING THE CITY OF MORGANTOWN
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 60 60 30
CHANCE OF THUNDER (%) 0 50 40 30
TEMP (24H TREND) 68 (+4) 83 (-4) 66 81
RH % (24H TREND) 94 (-1) 73 (+18) 100 67
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.03 0.01
PRECIP DURATION 5 2 2
PRECIP BEGIN 6 AM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(M-AGL/MSL) 1160 1460
MIXING HGT(FT-AGL/MSL) 3810 4800
TRANSPORT WND (MPH) W 6 NE 10
VENT RATE (KT-FT) 19050 43200
DISPERSION 2 3
ADI EARLY 6 VERY POOR 17 GEN POOR 5 VERY POOR 31 FAIR
ADI LATE 6 VERY POOR 26 FAIR 5 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 5 5 8 8
MAX LVORI LATE 6 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ510-200830-
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-
INCLUDING THE CITY OF COOPERS ROCK
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 60 40
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 64 (+1) 80 (-3) 63 79
RH % (24H TREND) 97 (+1) 73 (+18) 100 67
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.05 0.02
PRECIP DURATION 5 4 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1100 1350
MIXING HGT(FT-AGL/MSL) 3600 4440
TRANSPORT WND (MPH) W 6 NE 10
VENT RATE (KT-FT) 18000 39960
DISPERSION 2 3
ADI EARLY 7 POOR 16 GEN POOR 4 VERY POOR 27 FAIR
ADI LATE 6 VERY POOR 23 FAIR 4 VERY POOR 38 FAIR
MAX LVORI EARLY 5 6 9 8
MAX LVORI LATE 6 4 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ511-200830-
PRESTON-
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 60 40
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 64 (0) 82 (-2) 63 80
RH % (24H TREND) 98 (+2) 71 (+15) 100 65
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.12 0.10 0.01
PRECIP DURATION 4 4 4
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(M-AGL/MSL) 1190 1430
MIXING HGT(FT-AGL/MSL) 3890 4700
TRANSPORT WND (MPH) W 6 NE 10
VENT RATE (KT-FT) 19450 42300
DISPERSION 2 3
ADI EARLY 6 VERY POOR 21 FAIR 3 VERY POOR 32 FAIR
ADI LATE 5 VERY POOR 26 FAIR 3 VERY POOR 39 FAIR
MAX LVORI EARLY 6 7 9 8
MAX LVORI LATE 7 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ512-200830-
EASTERN PRESTON-
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 60 40
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 63 (0) 81 (0) 63 77
RH % (24H TREND) 99 (+1) 71 (+10) 100 66
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.15 0.18 0.01
PRECIP DURATION 4 5 5
PRECIP BEGIN 7 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1050 1240
MIXING HGT(FT-AGL/MSL) 3430 4080
TRANSPORT WND (MPH) W 6 NE 9
VENT RATE (KT-FT) 17150 32640
DISPERSION 2 3
ADI EARLY 8 POOR 22 FAIR 4 VERY POOR 29 FAIR
ADI LATE 6 VERY POOR 23 FAIR 4 VERY POOR 32 FAIR
MAX LVORI EARLY 6 7 9 8
MAX LVORI LATE 7 4 9 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ513-200830-
WESTERN TUCKER-
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 70 50
CHANCE OF THUNDER (%) 0 60 50 30
TEMP (24H TREND) 64 (+1) 82 (-1) 63 79
RH % (24H TREND) 96 (-2) 66 (+10) 100 62
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.14 0.08 0.02
PRECIP DURATION 4 4 4
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 1150 1330
MIXING HGT(FT-AGL/MSL) 3760 4380
TRANSPORT WND (MPH) W 6 NE 9
VENT RATE (KT-FT) 18800 35040
DISPERSION 2 3
ADI EARLY 6 VERY POOR 25 FAIR 3 VERY POOR 30 FAIR
ADI LATE 6 VERY POOR 27 FAIR 3 VERY POOR 36 FAIR
MAX LVORI EARLY 6 6 9 8
MAX LVORI LATE 7 3 9 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
WVZ514-200830-
EASTERN TUCKER-
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY
1247 PM EDT TUE AUG 19 2025
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 70 60 50
CHANCE OF THUNDER (%) 0 50 50 30
TEMP (24H TREND) 59 (-2) 78 (+2) 59 73
RH % (24H TREND) 100 (0) 75 (+4) 100 75
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FT WND-RDG/PM(MPH) SE 5 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.37 0.22 0.04
PRECIP DURATION 4 5 5
PRECIP BEGIN 11 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT(M-AGL/MSL) 900 1130
MIXING HGT(FT-AGL/MSL) 2950 3720
TRANSPORT WND (MPH) SW 6 NE 8
VENT RATE (KT-FT) 14750 26040
DISPERSION 2 3
ADI EARLY 8 POOR 19 GEN POOR 3 VERY POOR 21 FAIR
ADI LATE 8 POOR 19 GEN POOR 4 VERY POOR 27 FAIR
MAX LVORI EARLY 7 7 9 8
MAX LVORI LATE 8 5 9 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY
MOSTLY CLEAR. PATCHY DENSE FOG THROUGH THE NIGHT. LOWS
IN THE UPPER 50S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLEAR. SCATTERED SHOWERS. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
70S. WEST WINDS 5 TO 10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 70S. WEST WINDS 5 TO 10 MPH.
LUPO
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