227  
FNUS71 KPBZ 092103  
FWSPBZ  
 
SPOT FORECAST FOR PURPLE BURN...CAMP ROBERTS FIRE DEPARTMENT  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
403 PM EST WED DEC 9 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON DECEMBER 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (412) 262-1485, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
ISOLATED LIGHT PRECIPITATION NORTH AND NORTHEAST OF PITTSBURGH WILL  
BE FOLLOWED BY DRY CONDITIONS AND A WARMING TREND THROUGH THE END OF  
THE WORK WEEK.  
 

 
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 49.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....SOUTH 3 TO 8 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........45 47 42 46 34 28 24 16 17  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1  
TEMP............32 36 40 44 47 48 49 49 45  
RH..............90 83 74 66 62 59 57 58 66  
20 FT WIND DIR..SE SE SE SE S S S S SE  
20 FT WIND SPD..1 2 2 2 2 2 2 2 2  
20 FT WIND GUST.  
MIX HGT (KFT)...0.5 0.8 1.1 1.4 1.5 1.2 0.7 0.3 0.1  
TRANSP WIND DIR.SE SE SE S S S S S S  
TRANSP WIND SPD.3 5 6 7 8 7 6 5 3  
HAINES INDEX....4 4 4 4 4 4 4 4 4  
 

 
FORECASTER...PH  
REQUESTED BY...NATE DITMORE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2016269.0/PBZ  
.DELDT 12/09/20  
.FORMATTERVERSION 1.0.26  
.EMAIL CRFDNATE@GMAIL.COM  
 
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