702  
FNUS71 KPBZ 141059  
FWSPBZ  
 
SPOT FORECAST FOR SGL 130 PHRAGMITES...PGC  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
659 AM EDT THU AUG 14 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON AUGUST 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
ADVANCING HIGH PRESSURE IS EXPECTED TO KEEP LARGELY DRY CONDITIONS  
UNDER SUNNY SKIES. WINDS WILL BE GENERALLY EASTERLY TO BEGIN THE  
DAY AND THEN WILL SLOWLY VEER TO THE SOUTH AND THEN WEST. WINDS  
ARE EXPECTED TO BE LARGELY ON THE LIGHTER SIDE OWING TO HIGH  
PRESSURE. A BRIEF PERIOD IN THE MID MORNING HOURS MAY FEATURE  
SE'RLY WINDS PARALLEL TO THE TWO RIDGES ON EITHER SIDE OF SANDY  
CREEK BUT WIND SPEEDS ARE EXPECTED TO BE LESS THAN 10 MPH DURING  
THIS TIME FRAME. MINIMUM RH IS EXPECTED TO BE NEAR 50 PERCENT BUT  
COULD DIP INTO THE UPPER 40 PERCENTS. THE INVERSION LOOKS TO BREAK  
BY NOON.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...5 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........51 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......6400 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 7 MPH SHIFTING TO THE SOUTH 5 TO 7  
MPH IN THE AFTERNOON.  
LVORI...............4.  
ADI.................6 EARLY IN THE MORNING INCREASING TO 52 IN THE  
AFTERNOON.  
 
TIME (EDT) 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM  
SKY (%).........21 18 17 14 10 11 13 14 14 15 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 10 10  
TEMP............61 64 70 74 79 81 83 85 85 85 86  
RH..............96 92 85 77 69 64 58 54 53 52 51  
20 FT WIND DIR..E E E E E SE S S S W W  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.6 6 5 5 5 4 4 4 4 4 4  
MIX HGT (KFT)...0.5 0.5 1.2 1.9 2.7 3.9 5.2 6.1 6.4 6.0 5.2  
TRANSP WIND DIR.E E E E E SE SE S S S S  
TRANSP WIND SPD.7 6 6 6 6 6 7 7 6 6 5  
LVORI...........6 6 4 4 3 1 1 1 1 1 2  
ADI.............7 6 9 14 20 31 44 52 48 39 30  
 

 
FORECASTER...AK  
REQUESTED BY...JOSH ESTER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2519888.0/PBZ  
.DELDT 08/15/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JESTER@PA.GOV  
 
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