106  
FNUS51 KPBZ 162005  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST FOR PENNSYLVANIA  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
305 PM EST SAT DEC 16 2017  
   
DISCUSSION
 
 
NEXT UPPER LEVEL DISTURBANCE APPROACHES SUNDAY AFTERNOON WITH  
INCREASING RAIN CHANCES, THOUGH SOME SNOW MAY MIX IN SUNDAY NIGHT.  
TEMPERATURES WILL MODERATE TO ABOVE SEASONAL AVERAGES THROUGH THE  
BEGINNING OF THE WEEK.  
 
PAZ021-029-031-073>076-170945-  
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  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN RAIN RAIN  
CHANCE PRECIP (%) 0 50 40 40  
TEMP (24H TREND) 26 (+1) 41 (+3) 34 44  
RH % (24H TREND) 96 (+11) 69 (+7) 96 80  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR SW 5 LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.06 0.03 0.02  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 12 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 440 390  
MIXING HGT(FT-AGL/MSL) 1440 1280  
TRANSPORT WND (MPH) SW 10 W 14  
VENT RATE (KT-FT) 12960 15360  
DISPERSION 2 2  
LAL 1 1 1 1  
HAINES INDEX 2 3 2 2  
 
REMARKS...NONE.  
 

 
 
WVZ001>004-012-021-170945-  
HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-  
INCLUDING THE CITIES OF WEIRTON, FOLLANSBEE, WELLSBURG, WHEELING,  
MOUNDSVILLE, NEW MARTINSVILLE, AND FAIRMONT  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN RAIN RAIN  
CHANCE PRECIP (%) 0 40 30 40  
TEMP (24H TREND) 28 (0) 42 (0) 34 46  
RH % (24H TREND) 90 (+15) 64 (+11) 94 78  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR SW 5 LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.04 0.02 0.02  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 400 450  
MIXING HGT(FT-AGL/MSL) 1310 1490  
TRANSPORT WND (MPH) SW 10 W 15  
VENT RATE (KT-FT) 11790 19370  
DISPERSION 2 2  
LAL 1 1 1 1  
HAINES INDEX 3 4 2 2  
 
REMARKS...NONE.  
 

 
 
MDZ001-WVZ509>514-170945-  
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  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SNOW/RAIN RAIN  
CHANCE PRECIP (%) 0 40 40 40  
TEMP (24H TREND) 26 (+3) 42 (+4) 32 45  
RH % (24H TREND) 95 (+11) 61 (+2) 95 73  
20FT WND-VAL/AM(MPH) SW 5 SW 6  
20FT WND-RDG/PM(MPH) W 7 G18 SW 5 LGT/VAR W 6  
PRECIP AMOUNT 0.00 0.04 0.07 0.04  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 11 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 440 500  
MIXING HGT(FT-AGL/MSL) 1430 1630  
TRANSPORT WND (MPH) SW 10 W 17  
VENT RATE (KT-FT) 12870 24450  
DISPERSION 2 3  
LAL 1 1 1 1  
HAINES INDEX 2 3 2 2  
 
REMARKS...NONE.  
 

 
 
OHZ057>059-068-069-170945-  
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-  
INCLUDING THE CITIES OF ZANESVILLE, CAMBRIDGE, MARTINS FERRY,  
ST. CLAIRSVILLE, CALDWELL, AND WOODSFIELD  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN RAIN RAIN  
CHANCE PRECIP (%) 0 40 30 30  
TEMP (24H TREND) 27 (-2) 41 (-3) 34 45  
RH % (24H TREND) 90 (+15) 67 (+16) 94 76  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR S 5 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.00 0.06 0.01 0.01  
PRECIP DURATION 1 1 2  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 380 510  
MIXING HGT(FT-AGL/MSL) 1240 1660  
TRANSPORT WND (MPH) SW 9 W 14  
VENT RATE (KT-FT) 9920 19920  
DISPERSION 1 2  
LAL 1 1 1 1  
HAINES INDEX 3 4 2 2  
 
REMARKS...NONE.  
 

 
 
OHZ039>041-048>050-170945-  
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON-  
INCLUDING THE CITIES OF NEW PHILADELPHIA, DOVER, CARROLLTON,  
MALVERN, EAST LIVERPOOL, SALEM, COLUMBIANA, COSHOCTON, CADIZ,  
AND STEUBENVILLE  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER MCLEAR MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN RAIN RAIN  
CHANCE PRECIP (%) 0 50 40 30  
TEMP (24H TREND) 26 (0) 39 (-1) 33 43  
RH % (24H TREND) 93 (+10) 70 (+9) 95 78  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR S 5 LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.06 0.02 0.01  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 11 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 380 400  
MIXING HGT(FT-AGL/MSL) 1240 1300  
TRANSPORT WND (MPH) S 9 W 14  
VENT RATE (KT-FT) 9920 15600  
DISPERSION 1 2  
LAL 1 1 1 1  
HAINES INDEX 3 4 2 2  
 
REMARKS...NONE.  
 

 
 
PAZ007>009-013>016-020-022-170945-  
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  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE NONE RAIN SNOW/RAIN SNOW/RAIN  
CHANCE PRECIP (%) 0 40 50 40  
TEMP (24H TREND) 21 (-2) 38 (+4) 32 40  
RH % (24H TREND) 100 (+7) 76 (+5) 96 82  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.01 0.04 0.03  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 2 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 440 320  
MIXING HGT(FT-AGL/MSL) 1460 1050  
TRANSPORT WND (MPH) SW 9 SW 10  
VENT RATE (KT-FT) 11680 9450  
DISPERSION 1 1  
LAL 1 1 1 1  
HAINES INDEX 2 2 2 2  
 
REMARKS...NONE.  
 

 
 
PAZ023-170945-  
INDIANA-  
INCLUDING THE CITY OF INDIANA  
305 PM EST SAT DEC 16 2017  
 
TONIGHT SUN SUN NIGHT MON  
 
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE RAIN SNOW/RAIN SNOW/RAIN  
CHANCE PRECIP (%) 0 50 50 40  
TEMP (24H TREND) 24 (+1) 40 (+5) 33 42  
RH % (24H TREND) 100 (+7) 73 (+3) 98 81  
20FT WND-VAL/AM(MPH) LGT/VAR LGT/VAR  
20FT WND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR SW 5  
PRECIP AMOUNT 0.00 0.02 0.07 0.02  
PRECIP DURATION 1 2 2  
PRECIP BEGIN 2 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 470 300  
MIXING HGT(FT-AGL/MSL) 1560 970  
TRANSPORT WND (MPH) SW 12 SW 10  
VENT RATE (KT-FT) 15600 8730  
DISPERSION 2 1  
LAL 1 1 1 1  
HAINES INDEX 2 2 2 2  
 
REMARKS...NONE.  
 

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

 
 
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