849  
FNUS51 KPBZ 170835  
FWFPBZ  
 
FIRE WEATHER PLANNING FORECAST FOR PENNSYLVANIA  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
435 AM EDT FRI AUG 17 2018  
   
DISCUSSION
 
 
PERIODIC SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH  
SATURDAY ASSOCIATED WITH A SERIES OF CROSSING DISTURBANCES. DRY  
WEATHER RETURNS SUNDAY UNDER HIGH PRESSURE.  
 
PAZ021-029-031-073>076-172115-  
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  
435 AM EDT FRI AUG 17 2018  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 50 60  
TEMP (24H TREND) 79 (-2) 67 (-1) 76  
RH % (24H TREND) 76 (+12) 100 (+3) 80  
20FT WND-VAL/AM(MPH) SW 7 LGT/VAR  
20FT WND-RDG/PM(MPH) SW 8 SW 5 LGT/VAR  
PRECIP AMOUNT 0.11 0.40 0.21  
PRECIP DURATION 5 2 8  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1100 690  
MIXING HGT(FT-AGL/MSL)3610 2270  
TRANSPORT WND (MPH) SW 18 SW 10  
VENT RATE (KT-FT) 57760 20430  
DISPERSION 4 2  
LAL 3 3 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
WVZ001>004-012-021-172115-  
HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION-  
INCLUDING THE CITIES OF WEIRTON, FOLLANSBEE, WELLSBURG, WHEELING,  
MOUNDSVILLE, NEW MARTINSVILLE, AND FAIRMONT  
435 AM EDT FRI AUG 17 2018  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 60 60  
TEMP (24H TREND) 80 (-2) 67 (-2) 78  
RH % (24H TREND) 75 (+13) 100 (+2) 78  
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR  
20FT WND-RDG/PM(MPH) SW 8 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.10 0.44 0.22  
PRECIP DURATION 5 2 8  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1120 980  
MIXING HGT(FT-AGL/MSL)3680 3200  
TRANSPORT WND (MPH) SW 18 S 9  
VENT RATE (KT-FT) 58880 25600  
DISPERSION 4 2  
LAL 3 3 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
MDZ001-WVZ509>514-172115-  
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  
435 AM EDT FRI AUG 17 2018  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY CLOUDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 50 60  
TEMP (24H TREND) 78 (-3) 65 (0) 75  
RH % (24H TREND) 69 (+10) 100 (+7) 74  
20FT WND-VAL/AM(MPH) SW 7 SW 5  
20FT WND-RDG/PM(MPH) SW 8 SW 5 W 5  
PRECIP AMOUNT 0.08 0.38 0.26  
PRECIP DURATION 5 2 8  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 990 740  
MIXING HGT(FT-AGL/MSL)3250 2430  
TRANSPORT WND (MPH) SW 22 SW 12  
VENT RATE (KT-FT) 61750 24300  
DISPERSION 4 2  
LAL 3 3 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
OHZ057>059-068-069-172115-  
MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-  
INCLUDING THE CITIES OF ZANESVILLE, CAMBRIDGE, MARTINS FERRY,  
ST. CLAIRSVILLE, CALDWELL, AND WOODSFIELD  
435 AM EDT FRI AUG 17 2018  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 60 60  
TEMP (24H TREND) 82 (+2) 67 (-2) 78  
RH % (24H TREND) 75 (+4) 100 (+3) 74  
20FT WND-VAL/AM(MPH) SW 5 LGT/VAR  
20FT WND-RDG/PM(MPH) SW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.12 0.43 0.15  
PRECIP DURATION 5 3 8  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1160 870  
MIXING HGT(FT-AGL/MSL)3790 2850  
TRANSPORT WND (MPH) SW 16 W 8  
VENT RATE (KT-FT) 53060 19950  
DISPERSION 4 2  
LAL 3 3 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
OHZ039>041-048>050-172115-  
TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON-  
INCLUDING THE CITIES OF NEW PHILADELPHIA, DOVER, CARROLLTON,  
MALVERN, EAST LIVERPOOL, SALEM, COLUMBIANA, COSHOCTON, CADIZ,  
AND STEUBENVILLE  
435 AM EDT FRI AUG 17 2018  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 60 60  
TEMP (24H TREND) 81 (+3) 67 (-2) 79  
RH % (24H TREND) 71 (-4) 100 (+3) 72  
20FT WND-VAL/AM(MPH) SW 6 LGT/VAR  
20FT WND-RDG/PM(MPH) SW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.11 0.33 0.12  
PRECIP DURATION 5 4 4  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1200 870  
MIXING HGT(FT-AGL/MSL)3920 2860  
TRANSPORT WND (MPH) SW 14 NE 5  
VENT RATE (KT-FT) 47040 11440  
DISPERSION 3 1  
LAL 3 4 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
 
PAZ007>009-013>016-020-022-023-172115-  
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  
435 AM EDT FRI AUG 17 2018  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLDY MCLDY MCLDY  
PRECIP TYPE TSTMS TSTMS TSTMS  
CHANCE PRECIP (%) 60 60 50  
TEMP (24H TREND) 79 (-2) 66 (-1) 77  
RH % (24H TREND) 76 (+6) 100 (+2) 71  
20FT WND-VAL/AM(MPH) S 7 LGT/VAR  
20FT WND-RDG/PM(MPH) SW 7 LGT/VAR LGT/VAR  
PRECIP AMOUNT 0.13 0.25 0.17  
PRECIP DURATION 5 6 2  
PRECIP BEGIN 6 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1130 1300  
MIXING HGT(FT-AGL/MSL)3700 4270  
TRANSPORT WND (MPH) SW 15 E 6  
VENT RATE (KT-FT) 48100 21350  
DISPERSION 3 2  
LAL 3 3 4  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
 

 
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND  
5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY.  
LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. WEST  
WINDS 5 TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID  
70S. NORTH WINDS 5 TO 10 MPH.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OH Page
The Nexlab PA Page
The Nexlab WV Page
The Nexlab MD Page Main Text Page