481  
FNUS51 KPBZ 200509  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
109 AM EDT WED AUG 20 2025  
   
DISCUSSION  
 
SHOWERS AND THUNDERSTORMS WILL ACCOMPANY A COLD FRONT TODAY AS IT  
CROSSES THE REGION. LOWER TEMPERATURES AND HIGHER DEWPOINTS WILL  
KEEP MINRH VALUES NORTH OF 60 DEGREES. WIND GUSTS SHOULD REMAIN  
UNDER 20MPH OVER THE NEXT COUPLE DAYS.  
 
 
 
OHZ039-202015-  
TUSCARAWAS-  
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 80 (-8) 64 (-1) 81  
RH % (24H TREND) 67 (+25) 100 (0) 62  
20FT WND-VAL/AM(MPH) LGT/VAR NE 5  
20FT WND-RDG/PM(MPH) NW 5 N 5 NE 6  
PRECIP AMOUNT 0.00 0.00 0.01  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
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) 27070 41920  
DISPERSION 5 5  
ADI EARLY 21 FAIR 17 GEN POOR 39 FAIR  
ADI LATE 38 FAIR 9 POOR 67 GOOD  
MAX LVORI EARLY 8 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ040-202015-  
CARROLL-  
INCLUDING THE CITIES OF CARROLLTON AND MALVERN  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS  
CHANCE PRECIP (%) 20 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 80 (-8) 63 (-2) 81  
RH % (24H TREND) 67 (+28) 100 (0) 62  
20FT WND-VAL/AM(MPH) LGT/VAR NE 5  
20FT WND-RDG/PM(MPH) NW 5 N 6 NE 6  
PRECIP AMOUNT 0.01 0.00 0.01  
PRECIP DURATION 1 0  
PRECIP BEGIN 8 AM 2 PM  
PRECIP END 5 PM CONTINUING  
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) 27260 40240  
DISPERSION 5 5  
ADI EARLY 19 GEN POOR 17 GEN POOR 35 FAIR  
ADI LATE 34 FAIR 9 POOR 68 GOOD  
MAX LVORI EARLY 8 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ041-202015-  
COLUMBIANA-  
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE SHOWERS  
CHANCE PRECIP (%) 20 0 20  
CHANCE OF THUNDER (%) 20 0 0  
TEMP (24H TREND) 81 (-7) 63 (-1) 81  
RH % (24H TREND) 67 (+30) 100 (0) 62  
20FT WND-VAL/AM(MPH) LGT/VAR NE 5  
20FT WND-RDG/PM(MPH) NW 5 N 5 NE 6  
PRECIP AMOUNT 0.02 0.00 0.01  
PRECIP DURATION 1 0  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 5 PM CONTINUING  
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) 25490 42360  
DISPERSION 5 5  
ADI EARLY 18 GEN POOR 16 GEN POOR 33 FAIR  
ADI LATE 33 FAIR 9 POOR 62 GOOD  
MAX LVORI EARLY 8 6 7  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ048-202015-  
COSHOCTON-  
INCLUDING THE CITY OF COSHOCTON  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 80 (-9) 64 (-1) 81  
RH % (24H TREND) 68 (+23) 100 (0) 63  
20FT WND-VAL/AM(MPH) LGT/VAR N 5  
20FT WND-RDG/PM(MPH) N 5 N 5 NE 6  
PRECIP AMOUNT 0.00 0.00 0.01  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END 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) 36810 41610  
DISPERSION 5 5  
ADI EARLY 23 FAIR 16 GEN POOR 36 FAIR  
ADI LATE 41 GEN GOOD 10 POOR 68 GOOD  
MAX LVORI EARLY 8 7 7  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ049-202015-  
HARRISON-  
INCLUDING THE CITY OF CADIZ  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 20  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 81 (-7) 64 (-1) 81  
RH % (24H TREND) 65 (+25) 100 (0) 61  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR N 5 NE 5  
PRECIP AMOUNT 0.01 0.00 0.01  
PRECIP DURATION 1 0  
PRECIP BEGIN 8 AM 2 PM  
PRECIP END 6 PM CONTINUING  
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) 33780 38520  
DISPERSION 5 5  
ADI EARLY 14 GEN POOR 8 POOR 35 FAIR  
ADI LATE 34 FAIR 8 POOR 69 GOOD  
MAX LVORI EARLY 8 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ050-202015-  
JEFFERSON OH-  
INCLUDING THE CITY OF STEUBENVILLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 30  
CHANCE OF THUNDER (%) 20 0 20  
TEMP (24H TREND) 82 (-6) 64 (-2) 81  
RH % (24H TREND) 63 (+26) 100 (+1) 59  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR N 5 NE 6  
PRECIP AMOUNT 0.02 0.00 0.01  
PRECIP DURATION 1 1  
PRECIP BEGIN 7 AM 8 AM  
PRECIP END 6 PM CONTINUING  
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) 34150 39040  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 8 POOR 36 FAIR  
ADI LATE 33 FAIR 9 POOR 64 GOOD  
MAX LVORI EARLY 8 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ057-202015-  
MUSKINGUM-  
INCLUDING THE CITY OF ZANESVILLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 81 (-8) 64 (-2) 81  
RH % (24H TREND) 66 (+22) 100 (0) 65  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR N 5  
PRECIP AMOUNT 0.00 0.00 0.01  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END 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) 33970 36650  
DISPERSION 5 5  
ADI EARLY 18 GEN POOR 10 POOR 36 FAIR  
ADI LATE 37 FAIR 9 POOR 59 GEN GOOD  
MAX LVORI EARLY 9 7 6  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ058-202015-  
GUERNSEY-  
INCLUDING THE CITY OF CAMBRIDGE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 82 (-7) 64 (-1) 81  
RH % (24H TREND) 65 (+22) 100 (0) 63  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.01  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
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) 34000 40380  
DISPERSION 5 5  
ADI EARLY 13 GEN POOR 8 POOR 37 FAIR  
ADI LATE 35 FAIR 8 POOR 59 GEN GOOD  
MAX LVORI EARLY 8 7 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ059-202015-  
BELMONT-  
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 30  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 83 (-6) 65 (-1) 82  
RH % (24H TREND) 65 (+23) 100 (+1) 64  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.01 0.00 0.01  
PRECIP DURATION 1 1  
PRECIP BEGIN 8 AM 8 AM  
PRECIP END 6 PM CONTINUING  
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) 27130 40520  
DISPERSION 5 5  
ADI EARLY 17 GEN POOR 8 POOR 36 FAIR  
ADI LATE 32 FAIR 8 POOR 67 GOOD  
MAX LVORI EARLY 8 7 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ068-202015-  
NOBLE-  
INCLUDING THE CITY OF CALDWELL  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE SHOWERS NONE TSTMS  
CHANCE PRECIP (%) 20 0 20  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 83 (-6) 64 (-2) 81  
RH % (24H TREND) 65 (+20) 100 (0) 66  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.01 0.00 0.01  
PRECIP DURATION 0 0  
PRECIP BEGIN 8 AM 2 PM  
PRECIP END 6 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) 28410 35100  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 9 POOR 34 FAIR  
ADI LATE 36 FAIR 8 POOR 56 GEN GOOD  
MAX LVORI EARLY 9 7 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
OHZ069-202015-  
MONROE-  
INCLUDING THE CITY OF WOODSFIELD  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 20  
CHANCE OF THUNDER (%) 20 0 20  
TEMP (24H TREND) 83 (-6) 65 (-1) 82  
RH % (24H TREND) 66 (+21) 100 (0) 66  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.02 0.00 0.01  
PRECIP DURATION 1 0  
PRECIP BEGIN 8 AM 2 PM  
PRECIP END 6 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) 25940 42520  
DISPERSION 5 5  
ADI EARLY 16 GEN POOR 8 POOR 31 FAIR  
ADI LATE 32 FAIR 9 POOR 67 GOOD  
MAX LVORI EARLY 8 8 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ007-202015-  
MERCER-  
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS NONE SHOWERS  
CHANCE PRECIP (%) 40 0 20  
CHANCE OF THUNDER (%) 30 0 0  
TEMP (24H TREND) 80 (-5) 62 (-1) 79  
RH % (24H TREND) 73 (+25) 100 (0) 66  
20FT WND-VAL/AM(MPH) LGT/VAR NE 5  
20FT WND-RDG/PM(MPH) NW 5 LGT/VAR NE 6  
PRECIP AMOUNT 0.03 0.00 0.01  
PRECIP DURATION 2 0  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 6 PM CONTINUING  
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) 29410 45400  
DISPERSION 5 5  
ADI EARLY 14 GEN POOR 10 POOR 29 FAIR  
ADI LATE 31 FAIR 9 POOR 56 GEN GOOD  
MAX LVORI EARLY 9 8 5  
MAX LVORI LATE 5 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ008-202015-  
VENANGO-  
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 50 30 20  
CHANCE OF THUNDER (%) 30 30 0  
TEMP (24H TREND) 80 (-3) 61 (-1) 79  
RH % (24H TREND) 75 (+25) 100 (0) 68  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.04 0.01 0.01  
PRECIP DURATION 2 0 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 9 PM CONTINUING  
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) 24540 46400  
DISPERSION 5 5  
ADI EARLY 11 POOR 8 POOR 31 FAIR  
ADI LATE 24 FAIR 9 POOR 56 GEN GOOD  
MAX LVORI EARLY 8 8 5  
MAX LVORI LATE 5 8 4  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ009-202015-  
FOREST-  
INCLUDING THE CITY OF TIONESTA  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 40 20  
CHANCE OF THUNDER (%) 30 30 0  
TEMP (24H TREND) 79 (-1) 60 (-1) 77  
RH % (24H TREND) 70 (+20) 100 (0) 62  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.08 0.01 0.02  
PRECIP DURATION 3 1 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 11 PM CONTINUING  
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) 22580 39200  
DISPERSION 5 5  
ADI EARLY 12 POOR 5 VERY POOR 32 FAIR  
ADI LATE 18 GEN POOR 5 VERY POOR 52 GEN GOOD  
MAX LVORI EARLY 8 9 5  
MAX LVORI LATE 5 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ013-202015-  
LAWRENCE-  
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE SHOWERS  
CHANCE PRECIP (%) 30 0 30  
CHANCE OF THUNDER (%) 30 0 0  
TEMP (24H TREND) 82 (-5) 63 (+1) 81  
RH % (24H TREND) 68 (+27) 100 (0) 63  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.03 0.00 0.01  
PRECIP DURATION 2 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 6 PM CONTINUING  
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) 27970 35820  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 8 POOR 32 FAIR  
ADI LATE 31 FAIR 8 POOR 56 GEN GOOD  
MAX LVORI EARLY 8 8 6  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ014-202015-  
BUTLER-  
INCLUDING THE CITY OF BUTLER  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 40 30 30  
CHANCE OF THUNDER (%) 30 30 0  
TEMP (24H TREND) 82 (-4) 62 (-1) 80  
RH % (24H TREND) 71 (+25) 100 (0) 65  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.04 0.00 0.02  
PRECIP DURATION 2 0 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 9 PM CONTINUING  
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) 20080 36460  
DISPERSION 5 5  
ADI EARLY 13 GEN POOR 7 POOR 38 FAIR  
ADI LATE 24 FAIR 8 POOR 55 GEN GOOD  
MAX LVORI EARLY 8 8 8  
MAX LVORI LATE 5 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ015-202015-  
CLARION-  
INCLUDING THE CITY OF CLARION  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 40 30  
CHANCE OF THUNDER (%) 30 30 0  
TEMP (24H TREND) 82 (0) 62 (0) 79  
RH % (24H TREND) 66 (+17) 100 (0) 62  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.06 0.01 0.02  
PRECIP DURATION 3 1 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 9 PM CONTINUING  
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) 19080 38040  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 6 VERY POOR 35 FAIR  
ADI LATE 18 GEN POOR 8 POOR 52 GEN GOOD  
MAX LVORI EARLY 8 8 8  
MAX LVORI LATE 5 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ016-202015-  
JEFFERSON PA-  
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY MCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 70 50 20  
CHANCE OF THUNDER (%) 30 30 0  
TEMP (24H TREND) 80 (+1) 61 (-1) 78  
RH % (24H TREND) 66 (+12) 100 (+1) 61  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.11 0.03 0.02  
PRECIP DURATION 3 1 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 12 AM CONTINUING  
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) 19350 37270  
DISPERSION 5 5  
ADI EARLY 17 GEN POOR 6 VERY POOR 32 FAIR  
ADI LATE 18 GEN POOR 7 POOR 44 GEN GOOD  
MAX LVORI EARLY 8 7 7  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ020-202015-  
BEAVER-  
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,  
AND MONACA  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 30  
CHANCE OF THUNDER (%) 30 0 20  
TEMP (24H TREND) 82 (-6) 64 (0) 81  
RH % (24H TREND) 64 (+32) 100 (0) 59  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.03 0.00 0.01  
PRECIP DURATION 2 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 6 PM CONTINUING  
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) 25460 35310  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 7 POOR 38 FAIR  
ADI LATE 29 FAIR 7 POOR 60 GEN GOOD  
MAX LVORI EARLY 8 6 6  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ021-202015-  
ALLEGHENY-  
INCLUDING THE CITY OF PITTSBURGH METRO AREA  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 30 30  
CHANCE OF THUNDER (%) 30 30 20  
TEMP (24H TREND) 83 (-4) 65 (-1) 81  
RH % (24H TREND) 66 (+24) 100 (+2) 62  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 6  
PRECIP AMOUNT 0.03 0.00 0.02  
PRECIP DURATION 2 1 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 9 PM CONTINUING  
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) 30010 38180  
DISPERSION 5 5  
ADI EARLY 18 GEN POOR 7 POOR 41 GEN GOOD  
ADI LATE 25 FAIR 8 POOR 57 GEN GOOD  
MAX LVORI EARLY 7 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ022-202015-  
ARMSTRONG-  
INCLUDING THE CITIES OF KITTANNING AND FORD CITY  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 50 50 30  
CHANCE OF THUNDER (%) 30 30 0  
TEMP (24H TREND) 83 (-1) 63 (-1) 80  
RH % (24H TREND) 67 (+14) 100 (0) 63  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.08 0.03 0.02  
PRECIP DURATION 2 1 1  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 9 PM CONTINUING  
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) 22200 37830  
DISPERSION 5 5  
ADI EARLY 16 GEN POOR 5 VERY POOR 37 FAIR  
ADI LATE 19 GEN POOR 7 POOR 42 GEN GOOD  
MAX LVORI EARLY 8 8 7  
MAX LVORI LATE 5 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ029-202015-  
WASHINGTON-  
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 40 0 30  
CHANCE OF THUNDER (%) 30 0 20  
TEMP (24H TREND) 83 (-4) 65 (0) 81  
RH % (24H TREND) 66 (+23) 100 (+2) 62  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 6  
PRECIP AMOUNT 0.04 0.00 0.02  
PRECIP DURATION 2 2  
PRECIP BEGIN 8 AM 8 AM  
PRECIP END 6 PM CONTINUING  
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) 28330 39090  
DISPERSION 5 5  
ADI EARLY 17 GEN POOR 7 POOR 35 FAIR  
ADI LATE 28 FAIR 7 POOR 62 GOOD  
MAX LVORI EARLY 7 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ031-202015-  
GREENE-  
INCLUDING THE CITY OF WAYNESBURG  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 30 30  
CHANCE OF THUNDER (%) 40 30 20  
TEMP (24H TREND) 83 (-5) 66 (0) 81  
RH % (24H TREND) 70 (+24) 100 (+3) 68  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.05 0.01 0.02  
PRECIP DURATION 2 0 2  
PRECIP BEGIN 8 AM CONTINUING 8 AM  
PRECIP END CONTINUING 8 PM CONTINUING  
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) 25590 40700  
DISPERSION 5 5  
ADI EARLY 16 GEN POOR 6 VERY POOR 33 FAIR  
ADI LATE 32 FAIR 5 VERY POOR 60 GEN GOOD  
MAX LVORI EARLY 6 7 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ073-202015-  
WESTMORELAND-  
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,  
LOWER BURRELL, LATROBE, AND MONESSEN  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 40 30  
CHANCE OF THUNDER (%) 40 40 20  
TEMP (24H TREND) 83 (-2) 65 (0) 80  
RH % (24H TREND) 70 (+17) 100 (+2) 67  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 6  
PRECIP AMOUNT 0.08 0.02 0.02  
PRECIP DURATION 3 1 2  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 12 AM CONTINUING  
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) 22520 36110  
DISPERSION 5 5  
ADI EARLY 20 GEN POOR 5 VERY POOR 31 FAIR  
ADI LATE 22 FAIR 6 VERY POOR 49 GEN GOOD  
MAX LVORI EARLY 7 9 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ074-202015-  
HIGHER ELEVATIONS OF WESTMORELAND-  
INCLUDING THE CITIES OF LIGONIER AND DONEGAL  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 50 40  
CHANCE OF THUNDER (%) 40 40 20  
TEMP (24H TREND) 82 (+2) 64 (0) 79  
RH % (24H TREND) 65 (+1) 100 (+4) 62  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.14 0.05 0.02  
PRECIP DURATION 3 1 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
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) 29590 28500  
DISPERSION 5 5  
ADI EARLY 18 GEN POOR 4 VERY POOR 26 FAIR  
ADI LATE 25 FAIR 4 VERY POOR 29 FAIR  
MAX LVORI EARLY 6 8 7  
MAX LVORI LATE 3 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ075-202015-  
FAYETTE-  
INCLUDING THE CITY OF UNIONTOWN  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 30 30  
CHANCE OF THUNDER (%) 40 30 20  
TEMP (24H TREND) 83 (-3) 66 (-1) 81  
RH % (24H TREND) 69 (+19) 100 (+6) 67  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.06 0.01 0.02  
PRECIP DURATION 3 1 2  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 10 PM CONTINUING  
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) 21250 36770  
DISPERSION 5 5  
ADI EARLY 16 GEN POOR 4 VERY POOR 28 FAIR  
ADI LATE 26 FAIR 4 VERY POOR 54 GEN GOOD  
MAX LVORI EARLY 6 8 8  
MAX LVORI LATE 3 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ076-202015-  
HIGHER ELEVATIONS OF FAYETTE-  
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 40 40  
CHANCE OF THUNDER (%) 40 40 20  
TEMP (24H TREND) 82 (0) 63 (-1) 79  
RH % (24H TREND) 70 (+6) 100 (+3) 68  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.10 0.02 0.02  
PRECIP DURATION 3 1 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
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) 28260 25360  
DISPERSION 5 5  
ADI EARLY 14 GEN POOR 4 VERY POOR 24 FAIR  
ADI LATE 23 FAIR 4 VERY POOR 31 FAIR  
MAX LVORI EARLY 7 9 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ077-202015-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 40 30  
CHANCE OF THUNDER (%) 40 40 0  
TEMP (24H TREND) 81 (0) 63 (-1) 78  
RH % (24H TREND) 69 (+8) 100 (+1) 64  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.10 0.07 0.02  
PRECIP DURATION 3 1 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
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) 20400 32890  
DISPERSION 5 5  
ADI EARLY 20 GEN POOR 5 VERY POOR 30 FAIR  
ADI LATE 21 FAIR 8 POOR 37 FAIR  
MAX LVORI EARLY 8 8 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
PAZ078-202015-  
HIGHER ELEVATIONS OF INDIANA-  
INCLUDING THE CITY OF ARMAGH  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER MCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 40 30  
CHANCE OF THUNDER (%) 40 40 0  
TEMP (24H TREND) 80 (+2) 64 (0) 76  
RH % (24H TREND) 70 (+5) 99 (+1) 67  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.12 0.03 0.02  
PRECIP DURATION 3 1 2  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 12 AM CONTINUING  
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) 17030 31440  
DISPERSION 5 5  
ADI EARLY 19 GEN POOR 4 VERY POOR 28 FAIR  
ADI LATE 22 FAIR 8 POOR 35 FAIR  
MAX LVORI EARLY 7 8 7  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ001-202015-  
HANCOCK-  
INCLUDING THE CITY OF WEIRTON  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 30  
CHANCE OF THUNDER (%) 20 0 20  
TEMP (24H TREND) 82 (-6) 65 (-1) 81  
RH % (24H TREND) 62 (+25) 99 (0) 59  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.03 0.00 0.01  
PRECIP DURATION 1 1  
PRECIP BEGIN 6 AM 2 PM  
PRECIP END 6 PM CONTINUING  
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) 31260 33850  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 8 POOR 39 FAIR  
ADI LATE 31 FAIR 8 POOR 64 GOOD  
MAX LVORI EARLY 8 5 7  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ002-202015-  
BROOKE-  
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 30  
CHANCE OF THUNDER (%) 20 0 20  
TEMP (24H TREND) 83 (-6) 66 (0) 82  
RH % (24H TREND) 62 (+24) 99 (+2) 59  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.02 0.00 0.02  
PRECIP DURATION 2 1  
PRECIP BEGIN 8 AM 8 AM  
PRECIP END 6 PM CONTINUING  
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) 28840 39320  
DISPERSION 5 5  
ADI EARLY 18 GEN POOR 8 POOR 39 FAIR  
ADI LATE 29 FAIR 7 POOR 66 GOOD  
MAX LVORI EARLY 7 5 7  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ003-202015-  
OHIO-  
INCLUDING THE CITY OF WHEELING  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS NONE TSTMS  
CHANCE PRECIP (%) 30 0 30  
CHANCE OF THUNDER (%) 20 0 20  
TEMP (24H TREND) 83 (-6) 66 (0) 82  
RH % (24H TREND) 65 (+24) 100 (+2) 63  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR NE 5  
PRECIP AMOUNT 0.02 0.00 0.02  
PRECIP DURATION 1 1  
PRECIP BEGIN 8 AM 8 AM  
PRECIP END 6 PM CONTINUING  
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) 27410 40060  
DISPERSION 5 5  
ADI EARLY 18 GEN POOR 7 POOR 33 FAIR  
ADI LATE 31 FAIR 8 POOR 68 GOOD  
MAX LVORI EARLY 8 6 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ004-202015-  
MARSHALL-  
INCLUDING THE CITY OF MOUNDSVILLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 30 20 30  
CHANCE OF THUNDER (%) 20 20 20  
TEMP (24H TREND) 83 (-6) 66 (0) 83  
RH % (24H TREND) 69 (+24) 100 (+2) 68  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.03 0.00 0.02  
PRECIP DURATION 1 0 1  
PRECIP BEGIN 8 AM CONTINUING 8 AM  
PRECIP END 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) 25830 42840  
DISPERSION 5 5  
ADI EARLY 16 GEN POOR 7 POOR 36 FAIR  
ADI LATE 31 FAIR 8 POOR 67 GOOD  
MAX LVORI EARLY 7 7 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ012-202015-  
WETZEL-  
INCLUDING THE CITY OF NEW MARTINSVILLE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 40 30 30  
CHANCE OF THUNDER (%) 30 30 20  
TEMP (24H TREND) 83 (-5) 66 (-1) 83  
RH % (24H TREND) 72 (+26) 100 (+2) 69  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.02 0.01 0.01  
PRECIP DURATION 1 0 1  
PRECIP BEGIN 8 AM CONTINUING 8 AM  
PRECIP END CONTINUING 8 PM 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) 23670 41890  
DISPERSION 5 5  
ADI EARLY 15 GEN POOR 6 VERY POOR 36 FAIR  
ADI LATE 32 FAIR 8 POOR 70 GOOD  
MAX LVORI EARLY 6 8 8  
MAX LVORI LATE 4 8 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ021-202015-  
MARION-  
INCLUDING THE CITY OF FAIRMONT  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 50 40 40  
CHANCE OF THUNDER (%) 40 40 20  
TEMP (24H TREND) 83 (-4) 66 (0) 81  
RH % (24H TREND) 71 (+27) 100 (+5) 70  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.04 0.01 0.03  
PRECIP DURATION 2 1 1  
PRECIP BEGIN 8 AM CONTINUING 8 AM  
PRECIP END CONTINUING 9 PM CONTINUING  
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) 25010 38340  
DISPERSION 5 5  
ADI EARLY 17 GEN POOR 5 VERY POOR 33 FAIR  
ADI LATE 29 FAIR 5 VERY POOR 57 GEN GOOD  
MAX LVORI EARLY 6 9 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ509-202015-  
MONONGALIA-  
INCLUDING THE CITY OF MORGANTOWN  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 50 30 40  
CHANCE OF THUNDER (%) 40 30 20  
TEMP (24H TREND) 83 (-4) 66 (-1) 81  
RH % (24H TREND) 72 (+25) 100 (+7) 70  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.05 0.01 0.03  
PRECIP DURATION 2 1 2  
PRECIP BEGIN 8 AM CONTINUING 8 AM  
PRECIP END CONTINUING 10 PM CONTINUING  
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) 24530 35880  
DISPERSION 5 5  
ADI EARLY 17 GEN POOR 5 VERY POOR 31 FAIR  
ADI LATE 26 FAIR 5 VERY POOR 56 GEN GOOD  
MAX LVORI EARLY 5 8 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ510-202015-  
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-  
INCLUDING THE CITY OF COOPERS ROCK  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 40 40  
CHANCE OF THUNDER (%) 40 40 20  
TEMP (24H TREND) 80 (-3) 64 (-1) 79  
RH % (24H TREND) 71 (+14) 100 (+6) 71  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.06 0.01 0.04  
PRECIP DURATION 4 1 2  
PRECIP BEGIN 8 AM CONTINUING 8 AM  
PRECIP END CONTINUING 10 PM CONTINUING  
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) 18780 29510  
DISPERSION 5 5  
ADI EARLY 16 GEN POOR 4 VERY POOR 27 FAIR  
ADI LATE 23 FAIR 4 VERY POOR 38 FAIR  
MAX LVORI EARLY 6 9 8  
MAX LVORI LATE 4 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ511-202015-  
PRESTON-  
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 50 40  
CHANCE OF THUNDER (%) 50 50 20  
TEMP (24H TREND) 83 (-1) 64 (-1) 79  
RH % (24H TREND) 69 (+11) 100 (+5) 68  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.08 0.03 0.03  
PRECIP DURATION 4 1 2  
PRECIP BEGIN 6 AM CONTINUING 8 AM  
PRECIP END CONTINUING 1 AM CONTINUING  
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) 21780 31240  
DISPERSION 5 5  
ADI EARLY 21 FAIR 3 VERY POOR 32 FAIR  
ADI LATE 26 FAIR 3 VERY POOR 39 FAIR  
MAX LVORI EARLY 7 9 8  
MAX LVORI LATE 3 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ512-202015-  
EASTERN PRESTON-  
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 70 50  
CHANCE OF THUNDER (%) 50 50 20  
TEMP (24H TREND) 81 (0) 63 (-1) 77  
RH % (24H TREND) 71 (+8) 100 (+4) 69  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.15 0.09 0.04  
PRECIP DURATION 4 2 2  
PRECIP BEGIN 8 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) 19440 31120  
DISPERSION 5 5  
ADI EARLY 22 FAIR 4 VERY POOR 29 FAIR  
ADI LATE 23 FAIR 4 VERY POOR 32 FAIR  
MAX LVORI EARLY 7 9 8  
MAX LVORI LATE 4 9 4  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ513-202015-  
WESTERN TUCKER-  
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 70 60 50  
CHANCE OF THUNDER (%) 50 50 20  
TEMP (24H TREND) 82 (-1) 63 (-1) 79  
RH % (24H TREND) 67 (+15) 100 (+5) 64  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.14 0.07 0.03  
PRECIP DURATION 4 2 2  
PRECIP BEGIN 9 AM CONTINUING 8 AM  
PRECIP END CONTINUING 2 AM 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) 33720 28200  
DISPERSION 5 5  
ADI EARLY 25 FAIR 3 VERY POOR 30 FAIR  
ADI LATE 27 FAIR 3 VERY POOR 36 FAIR  
MAX LVORI EARLY 6 9 8  
MAX LVORI LATE 3 9 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 
 
 
WVZ514-202015-  
EASTERN TUCKER-  
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY  
109 AM EDT WED AUG 20 2025  
 
TODAY TONIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 70 70 50  
CHANCE OF THUNDER (%) 50 50 20  
TEMP (24H TREND) 78 (+2) 60 (-1) 73  
RH % (24H TREND) 76 (+7) 100 (+1) 77  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.36 0.23 0.04  
PRECIP DURATION 4 3 2  
PRECIP BEGIN 10 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) 26750 21570  
DISPERSION 5 5  
ADI EARLY 19 GEN POOR 3 VERY POOR 21 FAIR  
ADI LATE 19 GEN POOR 4 VERY POOR 27 FAIR  
MAX LVORI EARLY 7 9 8  
MAX LVORI LATE 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. LOWS AROUND 60. HIGHS  
IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY  
MOSTLY CLEAR. A CHANCE OF SHOWERS. LOWS AROUND 60.  
HIGHS IN THE MID 80S. LIGHT WINDS.    
SUNDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS  
5 TO 10 MPH.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
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.  
 
 
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