508  
FNUS71 KPBZ 102209  
FWSPBZ  
 
SPOT FORECAST FOR YECR WSG RX...PA DCNR  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
609 PM EDT THU OCT 10 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 1900 EDT ON OCTOBER 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
 
 
DRY WEATHER AND WARMER TEMPERATURE CAN BE EXPECTED THROUGH FRIDAY  
UNDER HIGH PRESSURE. SHOWER CHANCES RETURN WITH A SATURDAY COLD  
FRONT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 47.  
MAX HUMIDITY........89 PERCENT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 2 1 3 8 10 10 11 7 6 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............65 61 57 55 54 53 52 52 51 50 49 49  
RH..............56 65 74 80 83 86 85 85 88 89 88 85  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 MPH LATE IN  
THE AFTERNOON.  
MIXING HEIGHT.......3200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 12 MPH.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 5 3 4 4 4 7 9 10 11 11 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............48 47 47 51 57 61 64 67 68 69 69 68  
RH..............82 82 84 77 66 57 53 48 46 46 46 48  
20 FT WIND DIR..E E E E SE SE SE SE SE SE SE SE  
20 FT WIND SPD..4 4 4 4 5 5 5 5 4 4 4 4  
20 FT WIND GUST.6 8 6 10 10 7 6 6 6 5 5 5  
MIX HGT (KFT)...0.1 0.1 0.1 0.4 1.0 1.6 2.2 2.8 3.1 3.2 3.0 2.5  
TRANSP WIND DIR.E E E SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.6 5 6 8 10 12 10 9 8 8 9 9  
HAINES INDEX....4 4 4 4 4 4 4 4 5 5 5 5  
 

 
FORECASTER...PH  
REQUESTED BY...MICHAEL DIRINALDO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1917057.0/PBZ  
.DELDT 10/10/19  
.FORMATTERVERSION 1.0.26  
.EMAIL MDIRINALDO@PA.GOV  
 
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