842  
FNUS71 KPHI 260744  
FWSPHI  
 
SPOT FORECAST FOR DUCK POND RX FIRE...PA GAME COMMISSION  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
344 AM EDT MON OCT 26 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON OCTOBER 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
A STRONG AREA OF HIGH PRESSURE ACROSS THE AREA TODAY WILL GIVE WAY  
TO A WEAK COLD FRONT TONIGHT. MORE HIGH PRESSURE RETURNS TO THE  
REGION TUESDAY AND DOMINATES THROUGH THE BEGINNING OF NEXT WEEKEND.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........43 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........NORTHWEST WINDS 4 TO 6 MPH.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 15 MPH.  
SMOKE DISPERSAL.....POOR (7600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (32100 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................13 TO 47.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........12 4 2 2 2 8 2 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............49 54 57 60 62 62 62 62  
RH..............77 59 53 46 43 44 46 48  
20 FT WIND DIR..NW NW NW NW NW NW NW NW  
20 FT WIND SPD..5 5 6 6 6 6 6 5  
20 FT WIND GUST.10 10 12 13 13 13 13 12  
MIX HGT (KFT)...0.7 1.3 1.8 2.0 2.5 2.4 2.5 1.4  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.13 13 13 12 14 14 15 12  
ADI.............13 21 29 30 43 42 47 21  
VRATE KT-FT/1K..8 14 19 20 30 29 32 14  
VENTRATE CAT....PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........93 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH EARLY  
IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 9 TO 15 MPH SHIFTING TO THE NORTH 12  
TO 13 MPH OVERNIGHT.  
SMOKE DISPERSAL.....POOR (3500 KNOT-FT).  
ADI.................4 TO 10.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 3 2 3 6 17 23 19 13 19 30 20  
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 55 53 50 50 49 48 47 47 46 44 43  
RH..............59 69 77 86 86 93 93 93 89 89 93 89  
20 FT WIND DIR..W W NW NW NW NW N N N N N N  
20 FT WIND SPD..5 5 5 6 6 7 8 8 8 8 8 7  
20 FT WIND GUST.10 12 10 12 14 15 17 18 17 17 17 16  
MIX HGT (KFT)...0.6 0.5 0.4 0.5 0.5 0.6 0.6 0.6 0.5 0.6 0.5 0.5  
TRANSP WIND DIR.W NW NW NW NW N N N N N N N  
TRANSP WIND SPD.9 9 9 10 13 14 15 14 13 13 13 12  
ADI.............10 4 4 5 6 6 10 9 8 8 8 5  
VRATE KT-FT/1K..5 4 4 4 5 7 8 8 6 6 5 5  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........40 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH IN THE MORNING BECOMING  
LIGHT.  
MIXING HEIGHT.......3200 FT AGL.  
TRANSPORT WINDS.....NORTH 7 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (4100 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (27800 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................5 TO 39.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........24 19 18 15 5 3 3 2 2 2 11 14  
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............42 40 40 43 48 50 53 55 55 57 55 55  
RH..............93 92 89 82 68 58 50 43 43 40 41 41  
20 FT WIND DIR..N N N N N N N N N N N N  
20 FT WIND SPD..7 6 6 6 6 6 5 3 3 3 3 3  
20 FT WIND GUST.15 14 13 13 12 12 9 8 7 6 6 6  
MIX HGT (KFT)...0.5 0.5 0.6 1.5 2.0 2.3 2.6 2.8 3.2 3.1 2.7 2.4  
TRANSP WIND DIR.N N N N N N N N N N NW N  
TRANSP WIND SPD.12 10 10 13 13 13 10 9 8 10 9 7  
ADI.............5 11 11 24 33 36 34 33 32 39 31 21  
VRATE KT-FT/1K..5 4 5 16 22 25 24 23 22 28 21 14  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
 

 
FORECASTER...OHARA  
REQUESTED BY...BRIAN WILLIAMSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2624322.1/PHI  
.DELDT 10/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIANWILLI@PA.GOV  
 
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