708  
FNUS71 KPHI 030905  
FWSPHI  
 
SPOT FORECAST FOR SGL 043 FIELDS...PGC  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
505 AM EDT WED SEP 3 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON SEPTEMBER 03.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
HIGH PRESSURE CENTERED OVER THE AREA TODAY WILL GRADUALLY SHIFT  
EASTWARD THROUGH THURSDAY. A PAIR OF COLD FRONTS WILL PASS  
THROUGH THE AREA LATE THIS WEEK- THE FIRST THURSDAY NIGHT OR  
FRIDAY MORNING AND THE SECOND, STRONGER FRONT ON SATURDAY. HIGH  
PRESSURE TO THE WEST WILL BUILD BACK INTO THE REGION LATE THIS  
WEEKEND INTO EARLY NEXT WEEK.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........45 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......6400 FT AGL.  
TRANSPORT WINDS.....WEST 2 TO 3 MPH SHIFTING TO THE SOUTHWEST 2 TO  
5 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (23300 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................2 TO 33.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........40 41 35 39 25 21 23 31 45 52 50 34  
WEATHER COV.....PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 56 59 64 68 71 74 75 76 77 77 77  
RH..............96 93 90 81 70 63 53 50 48 45 45 45  
20 FT WIND DIR..N N NW S S S S S S S S S  
20 FT WIND SPD..0 0 1 1 1 2 2 2 3 3 3 3  
20 FT WIND GUST.2 2 3 3 5 6 7 7 8 8 9 9  
MIX HGT (KFT)...0.3 0.3 0.3 0.9 1.9 3.7 5.0 5.7 6.2 6.4 6.2 5.8  
TRANSP WIND DIR.W NW W W SW S S SW SW SW SW SW  
TRANSP WIND SPD.3 3 2 2 2 3 2 3 3 3 3 5  
ADI.............2 3 2 3 6 16 14 24 26 24 26 33  
VRATE KT-FT/1K..1 1 1 2 4 11 10 17 19 19 19 23  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........100 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR (18300 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (1400 KNOT-FT) LATE IN THE  
NIGHT.  
ADI.................2 TO 26.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........24 35 22 28 18 17 6 3 3 8 13 21  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............75 73 69 66 64 63 62 60 59 59 58 58  
RH..............48 51 61 65 73 78 81 90 93 93 96 96  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..3 3 3 3 3 3 3 3 3 3 3 3  
20 FT WIND GUST.8 8 8 8 9 8 8 8 8 9 9 9  
MIX HGT (KFT)...4.6 0.4 0.3 0.3 0.3 0.3 0.3 0.4 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.5 5 6 7 9 10 9 8 9 9 10 9  
ADI.............26 2 3 3 4 5 4 4 4 4 5 4  
VRATE KT-FT/1K..18 2 1 2 2 3 3 3 3 3 3 3  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). CHANCE OF RAIN  
SHOWERS LATE IN THE AFTERNOON. SLIGHT CHANCE OF  
THUNDERSTORMS LATE IN THE AFTERNOON.  
CWR.................0 PERCENT INCREASING TO 40 PERCENT LATE IN THE  
AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 82.  
MIN HUMIDITY........53 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 23 MPH IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH INCREASING TO 20 TO 22 MPH IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (2700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (100100 KNOT-FT) IN THE  
AFTERNOON INCREASING TO EXCELLENT (79400  
KNOT-FT) LATE IN THE AFTERNOON.  
ADI.................4 EARLY IN THE MORNING INCREASING TO 113 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........26 29 38 33 28 23 34 46 57 57 57 57  
WEATHER COV..... CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH  
CWR.............0 0 0 0 0 0 0 0 40 40 40 40  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 40 40 40 40  
TEMP............57 58 62 66 70 74 77 79 80 81 81 80  
RH..............100 100 97 87 78 69 62 56 54 53 53 54  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..5 5 5 6 8 9 10 10 10 12 12 12  
20 FT WIND GUST.10 10 10 13 16 18 21 21 22 23 23 23  
MIX HGT (KFT)...0.3 0.4 0.5 1.2 2.1 3.0 4.1 5.0 5.6 5.6 5.2 4.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.9 9 10 13 15 17 18 20 21 22 22 21  
ADI.............4 9 10 20 40 65 90 113 90 95 92 81  
VRATE KT-FT/1K..3 3 5 14 28 46 67 87 100 104 97 79  
VENTRATE CAT....PR PR PR PR PR FR GD GD VGD VGD GD GD  
 

 
FORECASTER...MJL  
REQUESTED BY...TYLER HUDOCK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2521134.0/PHI  
.DELDT 09/03/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TYHUDOCK@PA.GOV  
 
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