763  
FNUS51 KPBZ 201652  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST FOR PENNSYLVANIA  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
1252 PM EDT FRI JUL 20 2018  
   
DISCUSSION
 
 
PERIODIC RAIN CHANCE RETURNS TODAY AND THROUGH THE WEEKEND WITH  
THE ENCROACHMENT OF SLOW MOVING LOW PRESSURE.  
 
PAZ021-029-031-073>076-210915-  
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  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 40 40 30 50  
TEMP (24H TREND) 66 (+1) 79 (-4) 63 79  
RH % (24H TREND) 81 (-1) 61 (+16) 91 66  
20FT WND-VAL/AM(MPH) SE 9 G18 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 7 G21 SE 10 G18 E 7 LGT/VAR  
PRECIP AMOUNT 0.02 0.09 0.09 0.09  
PRECIP DURATION 2 2 1 2  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1380 1570  
MIXING HGT(FT-AGL/MSL) 4510 5150  
TRANSPORT WND (MPH) SE 18 E 10  
VENT RATE (KT-FT) 72160 46350  
DISPERSION 4 3  
LAL 3 3 3 3  
HAINES INDEX 4 2 2 3  
 
REMARKS...NONE.  
 

 
 
WVZ001>004-012-021-210915-  
HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-  
INCLUDING THE CITIES OF WEIRTON, FOLLANSBEE, WELLSBURG, WHEELING,  
MOUNDSVILLE, NEW MARTINSVILLE, AND FAIRMONT  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 60 40 60  
TEMP (24H TREND) 66 (0) 78 (-5) 64 78  
RH % (24H TREND) 84 (-3) 67 (+18) 92 71  
20FT WND-VAL/AM(MPH) SE 7 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 6 SE 8 E 6 LGT/VAR  
PRECIP AMOUNT 0.04 0.15 0.14 0.13  
PRECIP DURATION 2 2 2 3  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1360 1770  
MIXING HGT(FT-AGL/MSL) 4470 5810  
TRANSPORT WND (MPH) S 14 E 9  
VENT RATE (KT-FT) 53640 46480  
DISPERSION 4 3  
LAL 3 3 3 3  
HAINES INDEX 4 3 2 3  
 
REMARKS...NONE.  
 

 
 
MDZ001-WVZ509>514-210915-  
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  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 20 40 30 60  
TEMP (24H TREND) 62 (-1) 76 (-3) 61 76  
RH % (24H TREND) 83 (-3) 65 (+15) 93 71  
20FT WND-VAL/AM(MPH) SE 8 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 8 G18 SE 9 G17 E 6 SE 5  
PRECIP AMOUNT 0.01 0.09 0.13 0.14  
PRECIP DURATION 1 2 2 4  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1350 1480  
MIXING HGT(FT-AGL/MSL) 4420 4850  
TRANSPORT WND (MPH) SE 16 SE 13  
VENT RATE (KT-FT) 61880 53350  
DISPERSION 4 4  
LAL 2 3 3 3  
HAINES INDEX 3 3 2 2  
 
REMARKS...NONE.  
 

 
 
OHZ057>059-068-069-210915-  
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-  
INCLUDING THE CITIES OF ZANESVILLE, CAMBRIDGE, MARTINS FERRY,  
ST. CLAIRSVILLE, CALDWELL, AND WOODSFIELD  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 50 60 60 60  
TEMP (24H TREND) 67 (0) 77 (-3) 64 77  
RH % (24H TREND) 85 (0) 72 (+17) 94 71  
20FT WND-VAL/AM(MPH) SE 7 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 7 SE 7 SE 5 LGT/VAR  
PRECIP AMOUNT 0.10 0.28 0.21 0.17  
PRECIP DURATION 2 8 4 4  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1450 1600  
MIXING HGT(FT-AGL/MSL) 4770 5230  
TRANSPORT WND (MPH) S 14 E 12  
VENT RATE (KT-FT) 57240 52300  
DISPERSION 4 4  
LAL 3 4 3 3  
HAINES INDEX 3 3 3 2  
 
REMARKS...NONE.  
 

 
 
OHZ039>041-048>050-210915-  
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON-  
INCLUDING THE CITIES OF NEW PHILADELPHIA, DOVER, CARROLLTON,  
MALVERN, EAST LIVERPOOL, SALEM, COLUMBIANA, COSHOCTON, CADIZ,  
AND STEUBENVILLE  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 40 60 60 50  
TEMP (24H TREND) 66 (+1) 77 (-4) 64 76  
RH % (24H TREND) 88 (+2) 69 (+16) 94 74  
20FT WND-VAL/AM(MPH) SE 8 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 7 SE 8 G17 SE 7 LGT/VAR  
PRECIP AMOUNT 0.07 0.28 0.22 0.12  
PRECIP DURATION 2 6 4 2  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1530 1270  
MIXING HGT(FT-AGL/MSL) 5030 4160  
TRANSPORT WND (MPH) S 15 NE 9  
VENT RATE (KT-FT) 65390 33280  
DISPERSION 4 3  
LAL 3 3 3 3  
HAINES INDEX 3 3 3 2  
 
REMARKS...NONE.  
 

 
 
PAZ007>009-013>016-020-022-210915-  
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  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 30 20 50  
TEMP (24H TREND) 64 (+2) 77 (-5) 59 77  
RH % (24H TREND) 83 (-6) 63 (+17) 90 66  
20FT WND-VAL/AM(MPH) SE 10 G18 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 8 G21 SE 11 G19 E 8 G17 LGT/VAR  
PRECIP AMOUNT 0.02 0.08 0.06 0.06  
PRECIP DURATION 2 2 1 2  
PRECIP BEGIN 6 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1130 1300  
MIXING HGT(FT-AGL/MSL) 3710 4270  
TRANSPORT WND (MPH) SE 23 E 9  
VENT RATE (KT-FT) 74200 34160  
DISPERSION 4 3  
LAL 3 3 3 1  
HAINES INDEX 4 2 2 2  
 
REMARKS...NONE.  
 

 
 
PAZ023-210915-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
1252 PM EDT FRI JUL 20 2018  
 
TONIGHT SAT SAT NIGHT SUN  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 20 30 30 50  
TEMP (24H TREND) 64 (+1) 75 (-6) 60 77  
RH % (24H TREND) 86 (-3) 63 (+17) 94 65  
20FT WND-VAL/AM(MPH) SE 9 G17 LGT/VAR  
20FT WND-RDG/PM(MPH) SE 9 G20 SE 10 G18 E 7 SE 5  
PRECIP AMOUNT 0.00 0.07 0.07 0.06  
PRECIP DURATION 0 1 2 2  
PRECIP BEGIN 4 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1080 1220  
MIXING HGT(FT-AGL/MSL) 3550 4010  
TRANSPORT WND (MPH) SE 24 SE 10  
VENT RATE (KT-FT) 74550 36090  
DISPERSION 4 3  
LAL 1 3 3 1  
HAINES INDEX 3 2 2 2  
 
REMARKS...NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
MONDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS  
5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S.  
SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.  
LOWS IN THE UPPER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO  
10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS  
AROUND 5 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
80S. WEST WINDS AROUND 5 MPH.  
 

 
 
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