577  
FNUS51 KPBZ 220451  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
1251 AM EDT FRI AUG 22 2025  
   
DISCUSSION
 
 
HIGH PRESSURE WILL RESULT IN DRY CONDITIONS AND SEASONABLE TEMPERATURES TODAY.  
MIN RH VALUES ARE FORECAST IN THE UPPER 40S TO LOWER 50S TODAY AND TOMORROW.  
 

 
 
OHZ039-222030-  
TUSCARAWAS-  
INCLUDING THE CITIES OF NEW PHILADELPHIA AND DOVER  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+4) 61 (0) 85  
RH % (24H TREND) 51 (-21) 99 (-1) 51  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1650 1850  
MIXING HGT(FT-AGL/MSL)5410 6080  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 16230 66880  
DISPERSION 2 4  
ADI EARLY 15 GEN POOR 2 VERY POOR 47 GEN GOOD  
ADI LATE 29 FAIR 3 VERY POOR 85 GOOD  
MAX LVORI EARLY 8 6 7  
MAX LVORI LATE 3 8 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ040-222030-  
CARROLL-  
INCLUDING THE CITIES OF CARROLLTON AND MALVERN  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 61 (0) 85  
RH % (24H TREND) 50 (-22) 97 (-3) 49  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1590 1950  
MIXING HGT(FT-AGL/MSL)5210 6410  
TRANSPORT WND (MPH) E 3 SW 13  
VENT RATE (KT-FT) 15630 70510  
DISPERSION 2 4  
ADI EARLY 17 GEN POOR 3 VERY POOR 53 GEN GOOD  
ADI LATE 29 FAIR 3 VERY POOR 89 GOOD  
MAX LVORI EARLY 8 5 6  
MAX LVORI LATE 3 8 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ041-222030-  
COLUMBIANA-  
INCLUDING THE CITIES OF EAST LIVERPOOL, SALEM, AND COLUMBIANA  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 60 (-1) 86  
RH % (24H TREND) 48 (-23) 98 (-1) 48  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1580 1910  
MIXING HGT(FT-AGL/MSL)5190 6260  
TRANSPORT WND (MPH) SE 3 SW 14  
VENT RATE (KT-FT) 15570 75120  
DISPERSION 2 4  
ADI EARLY 17 GEN POOR 2 VERY POOR 53 GEN GOOD  
ADI LATE 28 FAIR 3 VERY POOR 90 GOOD  
MAX LVORI EARLY 8 5 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ048-222030-  
COSHOCTON-  
INCLUDING THE CITY OF COSHOCTON  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 61 (0) 85  
RH % (24H TREND) 52 (-20) 100 (0) 52  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1650 1860  
MIXING HGT(FT-AGL/MSL)5400 6110  
TRANSPORT WND (MPH) SE 3 W 13  
VENT RATE (KT-FT) 16200 67210  
DISPERSION 2 4  
ADI EARLY 13 GEN POOR 2 VERY POOR 45 GEN GOOD  
ADI LATE 28 FAIR 3 VERY POOR 81 GOOD  
MAX LVORI EARLY 9 6 9  
MAX LVORI LATE 3 9 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ049-222030-  
HARRISON-  
INCLUDING THE CITY OF CADIZ  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+3) 62 (+1) 86  
RH % (24H TREND) 49 (-20) 97 (-3) 47  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT(M-AGL/MSL) 1660 1970  
MIXING HGT(FT-AGL/MSL)5460 6450  
TRANSPORT WND (MPH) E 3 SW 13  
VENT RATE (KT-FT) 16380 70950  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 3 VERY POOR 45 GEN GOOD  
ADI LATE 29 FAIR 3 VERY POOR 85 GOOD  
MAX LVORI EARLY 9 5 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ050-222030-  
JEFFERSON OH-  
INCLUDING THE CITY OF STEUBENVILLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+3) 62 (0) 87  
RH % (24H TREND) 46 (-20) 97 (-2) 45  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1680 1980  
MIXING HGT(FT-AGL/MSL)5520 6490  
TRANSPORT WND (MPH) E 3 SW 13  
VENT RATE (KT-FT) 16560 71390  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 3 VERY POOR 43 GEN GOOD  
ADI LATE 30 FAIR 3 VERY POOR 86 GOOD  
MAX LVORI EARLY 8 4 6  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ057-222030-  
MUSKINGUM-  
INCLUDING THE CITY OF ZANESVILLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+2) 61 (0) 85  
RH % (24H TREND) 54 (-17) 100 (0) 54  
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 0.03  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1590 1780  
MIXING HGT(FT-AGL/MSL)5230 5840  
TRANSPORT WND (MPH) E 3 SW 12  
VENT RATE (KT-FT) 15690 58400  
DISPERSION 2 4  
ADI EARLY 13 GEN POOR 2 VERY POOR 35 FAIR  
ADI LATE 29 FAIR 3 VERY POOR 71 GOOD  
MAX LVORI EARLY 9 6 9  
MAX LVORI LATE 3 9 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ058-222030-  
GUERNSEY-  
INCLUDING THE CITY OF CAMBRIDGE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+3) 62 (0) 86  
RH % (24H TREND) 51 (-19) 99 (-1) 52  
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 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1690 1790  
MIXING HGT(FT-AGL/MSL)5530 5860  
TRANSPORT WND (MPH) E 3 SW 12  
VENT RATE (KT-FT) 16590 58600  
DISPERSION 2 4  
ADI EARLY 12 POOR 2 VERY POOR 38 FAIR  
ADI LATE 23 FAIR 3 VERY POOR 73 GOOD  
MAX LVORI EARLY 9 6 8  
MAX LVORI LATE 3 9 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ059-222030-  
BELMONT-  
INCLUDING THE CITIES OF MARTINS FERRY AND ST. CLAIRSVILLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+2) 63 (0) 87  
RH % (24H TREND) 50 (-19) 97 (-3) 50  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1740 1940  
MIXING HGT(FT-AGL/MSL)5690 6360  
TRANSPORT WND (MPH) E 3 SW 12  
VENT RATE (KT-FT) 17070 63600  
DISPERSION 2 4  
ADI EARLY 19 GEN POOR 3 VERY POOR 43 GEN GOOD  
ADI LATE 23 FAIR 3 VERY POOR 82 GOOD  
MAX LVORI EARLY 9 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ068-222030-  
NOBLE-  
INCLUDING THE CITY OF CALDWELL  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR MCLEAR  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+3) 63 (+1) 86  
RH % (24H TREND) 52 (-18) 98 (-2) 53  
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 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1760 1840  
MIXING HGT(FT-AGL/MSL)5770 6030  
TRANSPORT WND (MPH) E 3 SW 12  
VENT RATE (KT-FT) 17310 60300  
DISPERSION 2 4  
ADI EARLY 13 GEN POOR 3 VERY POOR 31 FAIR  
ADI LATE 23 FAIR 3 VERY POOR 81 GOOD  
MAX LVORI EARLY 9 6 8  
MAX LVORI LATE 3 9 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
OHZ069-222030-  
MONROE-  
INCLUDING THE CITY OF WOODSFIELD  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 85 (+3) 64 (+1) 86  
RH % (24H TREND) 51 (-18) 97 (-3) 53  
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 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1850 1900  
MIXING HGT(FT-AGL/MSL)6060 6230  
TRANSPORT WND (MPH) NE 2 SW 12  
VENT RATE (KT-FT) 12120 62300  
DISPERSION 1 4  
ADI EARLY 17 GEN POOR 3 VERY POOR 38 FAIR  
ADI LATE 23 FAIR 3 VERY POOR 85 GOOD  
MAX LVORI EARLY 9 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ007-222030-  
MERCER-  
INCLUDING THE CITIES OF SHARON, HERMITAGE, AND GROVE CITY  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+4) 59 (0) 85  
RH % (24H TREND) 50 (-27) 97 (-3) 52  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1590 1710  
MIXING HGT(FT-AGL/MSL)5210 5610  
TRANSPORT WND (MPH) SE 3 SW 15  
VENT RATE (KT-FT) 15630 72930  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 43 GEN GOOD  
ADI LATE 26 FAIR 4 VERY POOR 85 GOOD  
MAX LVORI EARLY 8 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ008-222030-  
VENANGO-  
INCLUDING THE CITIES OF OIL CITY AND FRANKLIN  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+5) 58 (+1) 85  
RH % (24H TREND) 46 (-32) 95 (-5) 56  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1560 1580  
MIXING HGT(FT-AGL/MSL)5110 5180  
TRANSPORT WND (MPH) SE 3 SW 15  
VENT RATE (KT-FT) 15330 67340  
DISPERSION 2 4  
ADI EARLY 19 GEN POOR 2 VERY POOR 50 GEN GOOD  
ADI LATE 26 FAIR 4 VERY POOR 82 GOOD  
MAX LVORI EARLY 9 6 6  
MAX LVORI LATE 3 7 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ009-222030-  
FOREST-  
INCLUDING THE CITY OF TIONESTA  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+6) 56 (+1) 84  
RH % (24H TREND) 39 (-31) 92 (-8) 52  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1620 1570  
MIXING HGT(FT-AGL/MSL)5320 5160  
TRANSPORT WND (MPH) S 3 SW 15  
VENT RATE (KT-FT) 15960 67080  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 47 GEN GOOD  
ADI LATE 22 FAIR 5 VERY POOR 80 GOOD  
MAX LVORI EARLY 9 5 6  
MAX LVORI LATE 2 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ013-222030-  
LAWRENCE-  
INCLUDING THE CITIES OF NEW CASTLE AND ELLWOOD CITY  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 59 (-1) 86  
RH % (24H TREND) 48 (-26) 99 (-1) 49  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1610 1800  
MIXING HGT(FT-AGL/MSL)5280 5890  
TRANSPORT WND (MPH) SE 3 SW 15  
VENT RATE (KT-FT) 15840 76570  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 48 GEN GOOD  
ADI LATE 26 FAIR 3 VERY POOR 90 GOOD  
MAX LVORI EARLY 8 6 7  
MAX LVORI LATE 3 8 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ014-222030-  
BUTLER-  
INCLUDING THE CITY OF BUTLER  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+4) 59 (0) 86  
RH % (24H TREND) 48 (-26) 98 (-2) 53  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1620 1620  
MIXING HGT(FT-AGL/MSL)5310 5300  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 15930 58300  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 42 GEN GOOD  
ADI LATE 24 FAIR 3 VERY POOR 70 GOOD  
MAX LVORI EARLY 8 6 7  
MAX LVORI LATE 3 8 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ015-222030-  
CLARION-  
INCLUDING THE CITY OF CLARION  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+5) 58 (+1) 85  
RH % (24H TREND) 41 (-29) 92 (-8) 51  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1610 1600  
MIXING HGT(FT-AGL/MSL)5290 5260  
TRANSPORT WND (MPH) SE 3 SW 14  
VENT RATE (KT-FT) 15870 63120  
DISPERSION 2 4  
ADI EARLY 19 GEN POOR 2 VERY POOR 43 GEN GOOD  
ADI LATE 24 FAIR 4 VERY POOR 79 GOOD  
MAX LVORI EARLY 9 4 5  
MAX LVORI LATE 2 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ016-222030-  
JEFFERSON PA-  
INCLUDING THE CITIES OF PUNXSUTAWNEY AND BROOKVILLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+6) 57 (+1) 84  
RH % (24H TREND) 38 (-26) 88 (-11) 50  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR S 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1720 1570  
MIXING HGT(FT-AGL/MSL)5640 5160  
TRANSPORT WND (MPH) SE 3 SW 15  
VENT RATE (KT-FT) 16920 67080  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 43 GEN GOOD  
ADI LATE 23 FAIR 4 VERY POOR 72 GOOD  
MAX LVORI EARLY 8 3 5  
MAX LVORI LATE 2 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ020-222030-  
BEAVER-  
INCLUDING THE CITIES OF ALIQUIPPA, BEAVER FALLS, AMBRIDGE,  
AND MONACA  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+4) 61 (0) 87  
RH % (24H TREND) 45 (-23) 97 (-2) 46  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1630 1840  
MIXING HGT(FT-AGL/MSL)5340 6030  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 16020 66330  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 42 GEN GOOD  
ADI LATE 22 FAIR 3 VERY POOR 81 GOOD  
MAX LVORI EARLY 7 4 7  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ021-222030-  
ALLEGHENY-  
INCLUDING THE CITY OF PITTSBURGH METRO AREA  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+4) 61 (-1) 87  
RH % (24H TREND) 47 (-22) 96 (-2) 48  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1690 1800  
MIXING HGT(FT-AGL/MSL)5540 5900  
TRANSPORT WND (MPH) E 3 SW 12  
VENT RATE (KT-FT) 16620 59000  
DISPERSION 2 4  
ADI EARLY 17 GEN POOR 2 VERY POOR 43 GEN GOOD  
ADI LATE 23 FAIR 3 VERY POOR 77 GOOD  
MAX LVORI EARLY 7 4 6  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ022-222030-  
ARMSTRONG-  
INCLUDING THE CITIES OF KITTANNING AND FORD CITY  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+4) 59 (0) 87  
RH % (24H TREND) 44 (-26) 95 (-5) 53  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR S 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1600 1600  
MIXING HGT(FT-AGL/MSL)5240 5250  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 15720 57750  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 40 FAIR  
ADI LATE 25 FAIR 4 VERY POOR 72 GOOD  
MAX LVORI EARLY 9 5 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ029-222030-  
WASHINGTON-  
INCLUDING THE CITIES OF WASHINGTON AND CANONSBURG  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 62 (0) 86  
RH % (24H TREND) 48 (-17) 97 (-2) 49  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1650 1800  
MIXING HGT(FT-AGL/MSL)5410 5910  
TRANSPORT WND (MPH) NE 3 SW 13  
VENT RATE (KT-FT) 16230 65010  
DISPERSION 2 4  
ADI EARLY 19 GEN POOR 2 VERY POOR 43 GEN GOOD  
ADI LATE 28 FAIR 3 VERY POOR 77 GOOD  
MAX LVORI EARLY 8 5 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ031-222030-  
GREENE-  
INCLUDING THE CITY OF WAYNESBURG  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+2) 63 (+2) 86  
RH % (24H TREND) 51 (-20) 97 (-3) 52  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1690 1840  
MIXING HGT(FT-AGL/MSL)5540 6040  
TRANSPORT WND (MPH) NE 3 SW 13  
VENT RATE (KT-FT) 16620 66440  
DISPERSION 2 4  
ADI EARLY 20 GEN POOR 3 VERY POOR 45 GEN GOOD  
ADI LATE 29 FAIR 4 VERY POOR 83 GOOD  
MAX LVORI EARLY 9 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ073-222030-  
WESTMORELAND-  
INCLUDING THE CITIES OF MURRYSVILLE, GREENSBURG, NEW KENSINGTON,  
LOWER BURRELL, LATROBE, AND MONESSEN  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 61 (+1) 87  
RH % (24H TREND) 50 (-20) 96 (-3) 53  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1610 1830  
MIXING HGT(FT-AGL/MSL)5270 6000  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 15810 66000  
DISPERSION 2 4  
ADI EARLY 13 GEN POOR 3 VERY POOR 38 FAIR  
ADI LATE 22 FAIR 4 VERY POOR 73 GOOD  
MAX LVORI EARLY 9 5 6  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ074-222030-  
HIGHER ELEVATIONS OF WESTMORELAND-  
INCLUDING THE CITIES OF LIGONIER AND DONEGAL  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 40  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+7) 60 (+1) 86  
RH % (24H TREND) 45 (-22) 92 (-5) 48  
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 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1660 1820  
MIXING HGT(FT-AGL/MSL)5430 5960  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 16290 65560  
DISPERSION 2 4  
ADI EARLY 17 GEN POOR 4 VERY POOR 44 GEN GOOD  
ADI LATE 22 FAIR 5 VERY POOR 75 GOOD  
MAX LVORI EARLY 7 4 5  
MAX LVORI LATE 2 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ075-222030-  
FAYETTE-  
INCLUDING THE CITY OF UNIONTOWN  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 63 (+2) 88  
RH % (24H TREND) 50 (-17) 93 (-6) 50  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1640 1860  
MIXING HGT(FT-AGL/MSL)5370 6090  
TRANSPORT WND (MPH) NE 3 SW 13  
VENT RATE (KT-FT) 16110 66990  
DISPERSION 2 4  
ADI EARLY 19 GEN POOR 4 VERY POOR 50 GEN GOOD  
ADI LATE 22 FAIR 4 VERY POOR 88 GOOD  
MAX LVORI EARLY 9 5 5  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ076-222030-  
HIGHER ELEVATIONS OF FAYETTE-  
INCLUDING THE CITIES OF CHAMPION AND OHIOPYLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 40  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+5) 59 (+1) 85  
RH % (24H TREND) 51 (-20) 99 (-1) 53  
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 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1480 1780  
MIXING HGT(FT-AGL/MSL)4860 5830  
TRANSPORT WND (MPH) SE 2 SW 12  
VENT RATE (KT-FT) 9720 58300  
DISPERSION 1 4  
ADI EARLY 16 GEN POOR 4 VERY POOR 42 GEN GOOD  
ADI LATE 19 GEN POOR 5 VERY POOR 73 GOOD  
MAX LVORI EARLY 8 5 7  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ077-222030-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+6) 60 (+1) 86  
RH % (24H TREND) 43 (-26) 91 (-8) 53  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR S 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1660 1720  
MIXING HGT(FT-AGL/MSL)5460 5660  
TRANSPORT WND (MPH) SE 3 SW 13  
VENT RATE (KT-FT) 16380 62260  
DISPERSION 2 4  
ADI EARLY 17 GEN POOR 3 VERY POOR 38 FAIR  
ADI LATE 23 FAIR 4 VERY POOR 68 GOOD  
MAX LVORI EARLY 8 4 5  
MAX LVORI LATE 2 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
PAZ078-222030-  
HIGHER ELEVATIONS OF INDIANA-  
INCLUDING THE CITY OF ARMAGH  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 82 (+7) 61 (+2) 84  
RH % (24H TREND) 45 (-25) 89 (-7) 53  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR S 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1650 1630  
MIXING HGT(FT-AGL/MSL)5410 5350  
TRANSPORT WND (MPH) SE 3 SW 12  
VENT RATE (KT-FT) 16230 53500  
DISPERSION 2 4  
ADI EARLY 17 GEN POOR 4 VERY POOR 40 FAIR  
ADI LATE 22 FAIR 5 VERY POOR 64 GOOD  
MAX LVORI EARLY 6 4 5  
MAX LVORI LATE 2 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ001-222030-  
HANCOCK-  
INCLUDING THE CITY OF WEIRTON  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 62 (0) 86  
RH % (24H TREND) 46 (-20) 95 (-3) 45  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1670 1940  
MIXING HGT(FT-AGL/MSL)5470 6350  
TRANSPORT WND (MPH) E 3 SW 13  
VENT RATE (KT-FT) 16410 69850  
DISPERSION 2 4  
ADI EARLY 18 GEN POOR 2 VERY POOR 44 GEN GOOD  
ADI LATE 29 FAIR 3 VERY POOR 83 GOOD  
MAX LVORI EARLY 7 4 6  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ002-222030-  
BROOKE-  
INCLUDING THE CITIES OF FOLLANSBEE AND WELLSBURG  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 85 (+4) 63 (0) 87  
RH % (24H TREND) 45 (-20) 96 (-2) 45  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1730 1940  
MIXING HGT(FT-AGL/MSL)5690 6370  
TRANSPORT WND (MPH) NE 3 SW 12  
VENT RATE (KT-FT) 17070 63700  
DISPERSION 2 4  
ADI EARLY 21 FAIR 2 VERY POOR 45 GEN GOOD  
ADI LATE 30 FAIR 3 VERY POOR 81 GOOD  
MAX LVORI EARLY 8 4 6  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ003-222030-  
OHIO-  
INCLUDING THE CITY OF WHEELING  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 84 (+3) 63 (0) 87  
RH % (24H TREND) 49 (-19) 97 (-3) 49  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 6  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1740 1950  
MIXING HGT(FT-AGL/MSL)5700 6400  
TRANSPORT WND (MPH) E 3 SW 12  
VENT RATE (KT-FT) 17100 64000  
DISPERSION 2 4  
ADI EARLY 21 FAIR 3 VERY POOR 47 GEN GOOD  
ADI LATE 31 FAIR 3 VERY POOR 83 GOOD  
MAX LVORI EARLY 9 5 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ004-222030-  
MARSHALL-  
INCLUDING THE CITY OF MOUNDSVILLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 85 (+3) 64 (+1) 87  
RH % (24H TREND) 53 (-20) 96 (-4) 54  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.00 0.02  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1790 1940  
MIXING HGT(FT-AGL/MSL)5870 6360  
TRANSPORT WND (MPH) NE 3 SW 13  
VENT RATE (KT-FT) 17610 69960  
DISPERSION 2 4  
ADI EARLY 21 FAIR 3 VERY POOR 49 GEN GOOD  
ADI LATE 24 FAIR 4 VERY POOR 84 GOOD  
MAX LVORI EARLY 9 5 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ012-222030-  
WETZEL-  
INCLUDING THE CITY OF NEW MARTINSVILLE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 20  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 85 (+4) 64 (+2) 86  
RH % (24H TREND) 55 (-19) 96 (-4) 57  
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 0.04  
PRECIP DURATION 0  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1880 1850  
MIXING HGT(FT-AGL/MSL)6160 6060  
TRANSPORT WND (MPH) NE 3 SW 13  
VENT RATE (KT-FT) 18480 66660  
DISPERSION 2 4  
ADI EARLY 20 GEN POOR 3 VERY POOR 43 GEN GOOD  
ADI LATE 25 FAIR 4 VERY POOR 88 GOOD  
MAX LVORI EARLY 8 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ021-222030-  
MARION-  
INCLUDING THE CITY OF FAIRMONT  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+2) 64 (+2) 86  
RH % (24H TREND) 54 (-17) 96 (-4) 55  
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 0.03  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1770 1790  
MIXING HGT(FT-AGL/MSL)5800 5870  
TRANSPORT WND (MPH) NE 5 SW 13  
VENT RATE (KT-FT) 23200 64570  
DISPERSION 2 4  
ADI EARLY 21 FAIR 3 VERY POOR 34 FAIR  
ADI LATE 30 FAIR 3 VERY POOR 82 GOOD  
MAX LVORI EARLY 8 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ509-222030-  
MONONGALIA-  
INCLUDING THE CITY OF MORGANTOWN  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE SHOWERS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 0  
TEMP (24H TREND) 83 (+3) 64 (+2) 86  
RH % (24H TREND) 54 (-18) 95 (-4) 55  
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 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1610 1770  
MIXING HGT(FT-AGL/MSL)5270 5810  
TRANSPORT WND (MPH) NE 5 SW 12  
VENT RATE (KT-FT) 21080 58100  
DISPERSION 2 4  
ADI EARLY 20 GEN POOR 3 VERY POOR 45 GEN GOOD  
ADI LATE 29 FAIR 4 VERY POOR 78 GOOD  
MAX LVORI EARLY 9 6 6  
MAX LVORI LATE 3 6 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ510-222030-  
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-  
INCLUDING THE CITY OF COOPERS ROCK  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 80 (+2) 61 (+2) 83  
RH % (24H TREND) 54 (-18) 98 (-2) 54  
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 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1420 1650  
MIXING HGT(FT-AGL/MSL)4650 5420  
TRANSPORT WND (MPH) NE 3 SW 12  
VENT RATE (KT-FT) 13950 54200  
DISPERSION 2 4  
ADI EARLY 16 GEN POOR 4 VERY POOR 31 FAIR  
ADI LATE 19 GEN POOR 4 VERY POOR 71 GOOD  
MAX LVORI EARLY 8 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ511-222030-  
PRESTON-  
INCLUDING THE CITIES OF KINGWOOD AND BRUCETON MILLS  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 82 (+4) 60 (+1) 85  
RH % (24H TREND) 52 (-17) 99 (-1) 53  
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 0.02  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1550 1740  
MIXING HGT(FT-AGL/MSL)5100 5690  
TRANSPORT WND (MPH) N 3 SW 10  
VENT RATE (KT-FT) 15300 51210  
DISPERSION 2 4  
ADI EARLY 15 GEN POOR 4 VERY POOR 37 FAIR  
ADI LATE 21 FAIR 4 VERY POOR 74 GOOD  
MAX LVORI EARLY 8 6 7  
MAX LVORI LATE 3 8 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ512-222030-  
EASTERN PRESTON-  
INCLUDING THE CITIES OF TERRA ALTA, ROWLESBURG, AND HAZELTON  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 40  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 81 (+4) 60 (+1) 83  
RH % (24H TREND) 54 (-18) 98 (-2) 54  
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 0.03  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1460 1610  
MIXING HGT(FT-AGL/MSL)4790 5280  
TRANSPORT WND (MPH) N 3 SW 10  
VENT RATE (KT-FT) 14370 47520  
DISPERSION 2 4  
ADI EARLY 16 GEN POOR 4 VERY POOR 40 FAIR  
ADI LATE 20 GEN POOR 5 VERY POOR 61 GOOD  
MAX LVORI EARLY 8 6 7  
MAX LVORI LATE 3 7 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ513-222030-  
WESTERN TUCKER-  
INCLUDING THE CITIES OF PARSONS, HENDRICKS, AND SAINT GEORGE  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY MCLEAR PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 30  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 82 (+3) 61 (+3) 84  
RH % (24H TREND) 52 (-14) 95 (-5) 51  
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 0.03  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1590 1520  
MIXING HGT(FT-AGL/MSL)5210 4980  
TRANSPORT WND (MPH) NW 3 SW 10  
VENT RATE (KT-FT) 15630 44820  
DISPERSION 2 3  
ADI EARLY 14 GEN POOR 4 VERY POOR 41 GEN GOOD  
ADI LATE 21 FAIR 5 VERY POOR 58 GEN GOOD  
MAX LVORI EARLY 8 6 6  
MAX LVORI LATE 3 7 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
 
WVZ514-222030-  
EASTERN TUCKER-  
INCLUDING THE CITIES OF DAVIS, THOMAS, AND CANAAN VALLEY  
1251 AM EDT FRI AUG 22 2025  
 
TODAY TONIGHT SAT  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 40  
CHANCE OF THUNDER (%) 0 0 20  
TEMP (24H TREND) 77 (+6) 57 (+1) 79  
RH % (24H TREND) 62 (-10) 99 (-1) 59  
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 0.04  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 1380 1320  
MIXING HGT(FT-AGL/MSL)4520 4320  
TRANSPORT WND (MPH) N 3 SW 10  
VENT RATE (KT-FT) 13560 38880  
DISPERSION 2 3  
ADI EARLY 14 GEN POOR 5 VERY POOR 37 FAIR  
ADI LATE 19 GEN POOR 5 VERY POOR 50 GEN GOOD  
MAX LVORI EARLY 9 6 6  
MAX LVORI LATE 4 7 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
70S. WEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 70.  
WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S. NORTHWEST WINDS 5 TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. SOUTHWEST WINDS AROUND 5 MPH.  
 

 
 
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