342  
FNUS51 KPBZ 111933  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST FOR PENNSYLVANIA  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
233 PM EST TUE DEC 11 2018  
   
DISCUSSION
 
 
EXCEPT FOR A PASSING SNOW SHOWER NORTH OF PITTSBURGH TONIGHT,  
COLD AND DRY WEATHER LOOKS TO CONTINUE THROUGH WEDNESDAY. THE  
CHANCE FOR SNOW WILL BE MORE WIDESPREAD WEDNESDAY NIGHT.  
 
PAZ021-029-031-073>076-120915-  
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  
233 PM EST TUE DEC 11 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SNOW SHOWERS SNOW SHOWERS  
CHANCE PRECIP (%) 0 0 40 20  
TEMP (24H TREND) 23 (+3) 39 (+6) 30 43  
RH % (24H TREND) 89 (-3) 61 (+3) 100 73  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) SW 7 G17 LGT/VAR LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.02 0.00  
PRECIP DURATION 2 1  
PRECIP BEGIN 8 PM CONTINUING  
PRECIP END CONTINUING 11 AM  
MIXING HGT(M-AGL/MSL) 590 580  
MIXING HGT(FT-AGL/MSL) 1940 1920  
TRANSPORT WND (MPH) SW 10 SW 7  
VENT RATE (KT-FT) 17460 11520  
DISPERSION 2 1  
LAL 1 1 1 1  
HAINES INDEX 3 4 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ001>004-012-021-120915-  
HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-  
INCLUDING THE CITIES OF WEIRTON, FOLLANSBEE, WELLSBURG, WHEELING,  
MOUNDSVILLE, NEW MARTINSVILLE, AND FAIRMONT  
233 PM EST TUE DEC 11 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SNOW SHOWERS NONE  
CHANCE PRECIP (%) 0 0 20 0  
TEMP (24H TREND) 25 (+5) 41 (+7) 31 45  
RH % (24H TREND) 86 (-7) 56 (+1) 98 67  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) SW 6 S 5 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 10 PM  
PRECIP END 6 AM  
MIXING HGT(M-AGL/MSL) 410 520  
MIXING HGT(FT-AGL/MSL) 1360 1710  
TRANSPORT WND (MPH) SW 15 SW 7  
VENT RATE (KT-FT) 17680 10260  
DISPERSION 2 1  
LAL 1 1 1 1  
HAINES INDEX 3 3 3 3  
 
REMARKS...NONE.  
 

 
 
MDZ001-WVZ509>514-120915-  
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  
233 PM EST TUE DEC 11 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SNOW SHOWERS SNOW SHOWERS  
CHANCE PRECIP (%) 0 0 40 30  
TEMP (24H TREND) 23 (+8) 39 (+7) 28 43  
RH % (24H TREND) 86 (-8) 55 (+9) 99 68  
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR  
20FT WND-RDG/PM(MPH) W 10 G24 LGT/VAR S 5 LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.02 0.01  
PRECIP DURATION 2 1  
PRECIP BEGIN 9 PM CONTINUING  
PRECIP END CONTINUING 11 AM  
MIXING HGT(M-AGL/MSL) 440 790  
MIXING HGT(FT-AGL/MSL) 1450 2600  
TRANSPORT WND (MPH) SW 12 SW 6  
VENT RATE (KT-FT) 14500 13000  
DISPERSION 2 2  
LAL 1 1 1 1  
HAINES INDEX 3 3 3 3  
 
REMARKS...NONE.  
 

 
 
OHZ057>059-068-069-120915-  
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-  
INCLUDING THE CITIES OF ZANESVILLE, CAMBRIDGE, MARTINS FERRY,  
ST. CLAIRSVILLE, CALDWELL, AND WOODSFIELD  
233 PM EST TUE DEC 11 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLEAR PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SNOW SHOWERS NONE  
CHANCE PRECIP (%) 0 0 20 0  
TEMP (24H TREND) 25 (+4) 39 (+4) 31 44  
RH % (24H TREND) 87 (-6) 58 (+3) 98 70  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) SW 5 S 6 S 5 LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 11 PM  
PRECIP END 6 AM  
MIXING HGT(M-AGL/MSL) 240 280  
MIXING HGT(FT-AGL/MSL) 770 920  
TRANSPORT WND (MPH) SW 18 S 6  
VENT RATE (KT-FT) 12320 4600  
DISPERSION 1 1  
LAL 1 1 1 1  
HAINES INDEX 2 3 2 3  
 
REMARKS...NONE.  
 

 
 
OHZ039>041-048>050-120915-  
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON-  
INCLUDING THE CITIES OF NEW PHILADELPHIA, DOVER, CARROLLTON,  
MALVERN, EAST LIVERPOOL, SALEM, COLUMBIANA, COSHOCTON, CADIZ,  
AND STEUBENVILLE  
233 PM EST TUE DEC 11 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SNOW SHOWERS NONE  
CHANCE PRECIP (%) 0 0 30 0  
TEMP (24H TREND) 23 (+2) 37 (+3) 30 42  
RH % (24H TREND) 91 (0) 62 (+1) 100 72  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) SW 5 S 6 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.00 0.01 0.00  
PRECIP DURATION 1  
PRECIP BEGIN 7 PM  
PRECIP END 6 AM  
MIXING HGT(M-AGL/MSL) 420 790  
MIXING HGT(FT-AGL/MSL) 1370 2590  
TRANSPORT WND (MPH) SW 7 S 6  
VENT RATE (KT-FT) 8220 12950  
DISPERSION 1 2  
LAL 1 1 1 1  
HAINES INDEX 3 4 3 3  
 
REMARKS...NONE.  
 

 
 
PAZ007>009-013>016-020-022-023-120915-  
MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON-BEAVER-  
ARMSTRONG-INDIANA-  
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, FORD CITY, AND INDIANA  
233 PM EST TUE DEC 11 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SNOW SHOWERS NONE SNOW SHOWERS SNOW SHOWERS  
CHANCE PRECIP (%) 30 0 60 40  
TEMP (24H TREND) 23 (+2) 35 (+4) 27 39  
RH % (24H TREND) 94 (+5) 66 (-1) 100 76  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) W 6 SE 5 SE 5 SE 5  
PRECIP AMOUNT 0.00 0.00 0.04 0.01  
PRECIP DURATION 2 5 1  
PRECIP BEGIN 6 PM 7 PM CONTINUING  
PRECIP END 5 AM CONTINUING 1 PM  
MIXING HGT(M-AGL/MSL) 680 870  
MIXING HGT(FT-AGL/MSL) 2230 2840  
TRANSPORT WND (MPH) S 8 S 7  
VENT RATE (KT-FT) 15610 17040  
DISPERSION 2 2  
LAL 1 1 1 1  
HAINES INDEX 3 4 2 3  
 
REMARKS...NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY
 
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND A CHANCE OF  
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.  
SOUTHEAST WINDS 10 TO 15 MPH.    
SATURDAY
 
CLOUDY WITH RAIN SHOWERS LIKELY. LOWS IN THE UPPER  
30S. HIGHS IN THE UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE MID 40S. WEST WINDS 5 TO  
10 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. LOWS IN  
THE LOWER 30S. HIGHS AROUND 40. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 30S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
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