147  
FNUS51 KPBZ 210701  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST FOR PENNSYLVANIA  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
301 AM EDT MON AUG 21 2017  
   
DISCUSSION
 
 
A WEAK UPPER LEVEL TROUGH WILL RETURN SLIGHT RAIN CHANCES TO THE  
FORECAST TODAY. WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED  
WITH THE APPROACH AND PASSAGE OF A COLD FRONT TUESDAY AND TUESDAY  
NIGHT.  
 
PAZ021-029-031-073>076-212130-  
ALLEGHENY-WASHINGTON-GREENE-WESTMORELAND-WESTMORELAND RIDGES-  
FAYETTE-FAYETTE RIDGES-  
INCLUDING THE CITIES OF PITTSBURGH METRO AREA, WASHINGTON,  
CANONSBURG, WAYNESBURG, MURRYSVILLE, GREENSBURG, NEW KENSINGTON,  
LIGONIER, DONEGAL, UNIONTOWN, CHAMPION, AND OHIOPYLE  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 0 20 70  
TEMP (24H TREND) 87 (+4) 68 (+6) 84  
RH % (24H TREND) 51 (+5) 96 (+2) 58  
20FT WND-VAL/AM(MPH) LGT/VAR SW 6 G21  
20FT WND-RDG/PM(MPH) SW 7 LGT/VAR SW 11 G22  
PRECIP AMOUNT 0.00 0.00 0.17  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM 10 AM  
PRECIP END 11 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 2160 2430  
MIXING HGT(FT-AGL/MSL)7100 7980  
TRANSPORT WND (MPH) SW 14 SW 29  
VENT RATE (KT-FT) 85200 199500  
DISPERSION 4 5  
LAL 2 2 5  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
WVZ001>004-012-021-212130-  
HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-  
INCLUDING THE CITIES OF WEIRTON, FOLLANSBEE, WELLSBURG, WHEELING,  
MOUNDSVILLE, NEW MARTINSVILLE, AND FAIRMONT  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 0 20 70  
TEMP (24H TREND) 87 (+2) 69 (+5) 84  
RH % (24H TREND) 52 (+6) 93 (0) 58  
20FT WND-VAL/AM(MPH) LGT/VAR S 6 G18  
20FT WND-RDG/PM(MPH) SW 6 LGT/VAR SW 11 G19  
PRECIP AMOUNT 0.00 0.00 0.17  
PRECIP DURATION 1 2  
PRECIP BEGIN 6 PM 9 AM  
PRECIP END 11 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 2230 2410  
MIXING HGT(FT-AGL/MSL)7300 7900  
TRANSPORT WND (MPH) SW 12 SW 26  
VENT RATE (KT-FT) 73000 181700  
DISPERSION 4 5  
LAL 2 2 5  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
MDZ001-WVZ509>514-212130-  
GARRETT-MONONGALIA-  
RIDGES OF EASTERN MONONGALIA AND NORTHWESTERN PRESTON-PRESTON-  
EASTERN PRESTON-WESTERN TUCKER-EASTERN TUCKER-  
INCLUDING THE CITIES OF MOUNTAIN LAKE PARK, OAKLAND MD,  
GRANTSVILLE, MORGANTOWN, COOPERS ROCK, KINGWOOD, BRUCETON MILLS,  
TERRA ALTA, ROWLESBURG, HAZELTON, PARSONS, HENDRICKS,  
SAINT GEORGE, DAVIS, THOMAS, AND CANAAN VALLEY  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE NONE TSTMS  
CHANCE PRECIP (%) 0 0 50  
TEMP (24H TREND) 85 (+3) 66 (+3) 84  
RH % (24H TREND) 50 (+2) 91 (-3) 54  
20FT WND-VAL/AM(MPH) LGT/VAR SW 5 G19  
20FT WND-RDG/PM(MPH) W 6 LGT/VAR SW 10 G21  
PRECIP AMOUNT 0.00 0.00 0.08  
PRECIP DURATION 1  
PRECIP BEGIN 2 PM  
PRECIP END CONTINUING  
MIXING HGT(M-AGL/MSL) 2030 2220  
MIXING HGT(FT-AGL/MSL)6660 7280  
TRANSPORT WND (MPH) W 10 SW 26  
VENT RATE (KT-FT) 59940 167440  
DISPERSION 4 5  
LAL 2 2 4  
HAINES INDEX 4 4 4  
 
REMARKS...NONE.  
 

 
 
OHZ057>059-068-069-212130-  
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-  
INCLUDING THE CITIES OF ZANESVILLE, CAMBRIDGE, MARTINS FERRY,  
ST. CLAIRSVILLE, CALDWELL, AND WOODSFIELD  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 0 20 80  
TEMP (24H TREND) 87 (+1) 69 (+4) 83  
RH % (24H TREND) 52 (-1) 92 (-3) 62  
20FT WND-VAL/AM(MPH) LGT/VAR S 6 G17  
20FT WND-RDG/PM(MPH) SW 6 LGT/VAR SW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.25  
PRECIP DURATION 1 3  
PRECIP BEGIN 6 PM 9 AM  
PRECIP END 11 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 2370 2320  
MIXING HGT(FT-AGL/MSL)7780 7600  
TRANSPORT WND (MPH) SW 13 SW 28  
VENT RATE (KT-FT) 85580 182400  
DISPERSION 4 5  
LAL 2 2 5  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
OHZ039>041-048>050-212130-  
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON-  
INCLUDING THE CITIES OF NEW PHILADELPHIA, DOVER, CARROLLTON,  
MALVERN, EAST LIVERPOOL, SALEM, COLUMBIANA, COSHOCTON, CADIZ,  
AND STEUBENVILLE  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE NONE TSTMS TSTMS  
CHANCE PRECIP (%) 0 20 80  
TEMP (24H TREND) 87 (+3) 69 (+5) 82  
RH % (24H TREND) 52 (+2) 95 (0) 63  
20FT WND-VAL/AM(MPH) LGT/VAR S 7 G18  
20FT WND-RDG/PM(MPH) SW 6 LGT/VAR SW 11 G21  
PRECIP AMOUNT 0.00 0.00 0.32  
PRECIP DURATION 1 4  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 2200 2290  
MIXING HGT(FT-AGL/MSL)7230 7500  
TRANSPORT WND (MPH) SW 13 SW 28  
VENT RATE (KT-FT) 79530 180000  
DISPERSION 4 5  
LAL 2 2 5  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
PAZ007>009-013>016-020-022-212130-  
MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON-BEAVER-  
ARMSTRONG-  
INCLUDING THE CITIES OF SHARON, HERMITAGE, GROVE CITY, OIL CITY,  
FRANKLIN, TIONESTA, NEW CASTLE, ELLWOOD CITY, BUTLER, CLARION,  
PUNXSUTAWNEY, BROOKVILLE, ALIQUIPPA, BEAVER FALLS, AMBRIDGE,  
MONACA, KITTANNING, AND FORD CITY  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 20 20 80  
TEMP (24H TREND) 86 (+4) 67 (+7) 82  
RH % (24H TREND) 52 (+8) 98 (+6) 61  
20FT WND-VAL/AM(MPH) LGT/VAR S 7 G18  
20FT WND-RDG/PM(MPH) SW 7 LGT/VAR SW 12 G22  
PRECIP AMOUNT 0.00 0.00 0.30  
PRECIP DURATION 1 1 4  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 2130 2280  
MIXING HGT(FT-AGL/MSL)7000 7470  
TRANSPORT WND (MPH) SW 13 SW 30  
VENT RATE (KT-FT) 77000 194220  
DISPERSION 4 5  
LAL 2 2 5  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
 

 
 
PAZ023-212130-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
301 AM EDT MON AUG 21 2017  
 
TODAY TONIGHT TUE  
 
CLOUD COVER PCLDY PCLDY PCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 20 20 70  
TEMP (24H TREND) 85 (+4) 67 (+7) 83  
RH % (24H TREND) 57 (+10) 100 (+5) 60  
20FT WND-VAL/AM(MPH) LGT/VAR SW 6 G19  
20FT WND-RDG/PM(MPH) SW 7 LGT/VAR SW 12 G23  
PRECIP AMOUNT 0.00 0.00 0.17  
PRECIP DURATION 0 1 2  
PRECIP BEGIN 4 PM CONTINUING 11 AM  
PRECIP END CONTINUING 11 PM CONTINUING  
MIXING HGT(M-AGL/MSL) 2140 2380  
MIXING HGT(FT-AGL/MSL)7010 7810  
TRANSPORT WND (MPH) SW 14 SW 32  
VENT RATE (KT-FT) 84120 218680  
DISPERSION 4 5  
LAL 2 2 5  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE  
LOWER 70S. NORTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER  
70S. NORTHEAST WINDS AROUND 5 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
70S. NORTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID  
70S. SOUTHEAST WINDS AROUND 5 MPH.  
 

 
 
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