715  
FNUS71 KPHI 061106  
FWSPHI  
 
SPOT FORECAST FOR DELMARVA BAY RX...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
706 AM EDT MON OCT 6 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 EDT ON OCTOBER 06.  
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 REMAINS IN CONTROL THROUGH TUESDAY. A COLD FRONT MOVES  
THROUGH THE AREA WEDNESDAY FOLLOWED BY A RETURN OF HIGH PRESSURE TO  
END THE WEEK. A DEEPENING LOW PRESSURE SYSTEM COULD AFFECT THE AREA  
NEXT WEEKEND.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........54 PERCENT.  
WIND SHIFT..........NONE EXPECTED.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......4200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 8 MPH.  
SMOKE DISPERSAL.....FAIR (24100 KNOT-FT).  
ADI.................MISSING.  
 
TIME (EDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 13 18 10 14  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0  
TEMP............78 78 79 79 80  
RH..............60 60 56 56 54  
20 FT WIND DIR..SW SW SW SW SW  
20 FT WIND SPD..3 3 5 5 5  
20 FT WIND GUST.8 8 9 9 9  
MIX HGT (KFT)...4.0 4.2 4.2 4.2 3.4  
TRANSP WIND DIR.SW SW SW S S  
TRANSP WIND SPD.8 7 8 8 8  
ADI.............M M M M M  
VRATE KT-FT/1K..28 25 30 29 24  
VENTRATE CAT....PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........100 PERCENT.  
WIND SHIFT..........NONE EXPECTED.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (2900 KNOT-FT).  
ADI.................MISSING.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........10 10 17 6 1 2 4 9 14 12 13 17  
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............76 73 70 65 64 62 61 60 60 60 59 59  
RH..............62 68 73 87 87 93 97 96 96 93 100 100  
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 2 2 2 2 3  
20 FT WIND GUST.8 8 7 7 7 8 8 7 8 7 7 8  
MIX HGT (KFT)...1.1 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.8 8 9 10 12 12 12 12 12 10 10 10  
ADI.............M M M M M M M M M M M M  
VRATE KT-FT/1K..8 3 3 4 4 4 4 4 4 4 4 4  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........56 PERCENT.  
WIND SHIFT..........NONE EXPECTED.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 16 MPH.  
SMOKE DISPERSAL.....POOR (3800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (59600 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................MISSING.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........21 15 23 10 21 31 39 47 55 60 66 71  
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............58 59 60 65 70 74 77 78 78 79 78 77  
RH..............100 100 100 100 87 74 64 62 60 56 58 60  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..3 3 5 6 7 8 9 10 12 12 10 10  
20 FT WIND GUST.8 8 8 9 12 14 16 17 18 18 18 18  
MIX HGT (KFT)...0.4 0.4 0.5 1.2 1.9 2.7 3.4 4.0 4.4 4.4 4.0 3.4  
TRANSP WIND DIR.S S S SW SW S S S S S S S  
TRANSP WIND SPD.10 12 10 13 13 13 14 14 15 16 16 16  
ADI.............M M M M M M M M M M M M  
VRATE KT-FT/1K..4 4 4 13 22 29 39 50 57 60 56 47  
VENTRATE CAT....PR PR PR PR PR PR PR FR FR FR FR FR  
 

 
FORECASTER...HOEFLICH  
REQUESTED BY...GABRIEL CAHALAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2523012.1/PHI  
.DELDT 10/06/25  
.FORMATTERVERSION 2.0.0  
.EMAIL GCAHALAN@TNC.ORG  
 
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