889  
FNUS71 KPBZ 121838  
FWSPBZ  
 
SPOT FORECAST FOR SGL 270 FROGBIT...PGC  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
238 PM EDT FRI SEP 12 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON SEPTEMBER 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
PRELIMINARY FORECAST: ON TUESDAY SEPTEMBER 16TH, A SURFACE LEVEL HIGH  
WILL BE LOCATED OVER NORTHERN NEW YORK AND VERMONT WITH A RIDGE EXTENDING  
SOUTHWESTWARD TOWARD TENNESSEE. WINDS WILL BE OUT OF THE E-SE AROUND 5-10  
MPH. TEMPERATURES CURRENTLY EXPECTED TO REACH THE MID-80S WITH LOWEST  
POSSIBLE DEW POINTS ARE THE LOW TO MID-50S. THIS WILL RESULT IN A MINIMUM  
RELATIVE HUMIDITY AROUND 40%-45%. NO RAIN EXPECTED.  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........43 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS.  
 
TIME (EDT) 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM  
SKY (%).........15 16 16 17 18 18 19 17 15 13  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
TEMP............59 64 69 74 76 79 81 82 82 82  
RH..............87 77 69 61 56 51 46 45 44 43  
SURFACE WND DIR.E SE SE SE SE SE SE SE E E  
SURFACE WND SPD.5 5 5 5 5 5 5 5 5 5  
SURFACE WND GST.7 7 7 7 7 7 6 7 7 7  
 
 
FORECASTER...LUPO  
REQUESTED BY...JOSH ESTER  
TYPE OF REQUEST...OTHER  
.TAG 2521875.0/PBZ  
.DELDT 09/16/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JESTER@PA.GOV  
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