461  
FNUS71 KPHI 281449  
FWSPHI  
 
SPOT FORECAST FOR BEF...SILVIX  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1049 AM EDT SAT MAR 28 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MARCH 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
A HIGH PRESSURE SYSTEM BUILDS IN FROM THE WEST TODAY. THE HIGH  
PRESSURE SYSTEM PASSES OVERHEARD TONIGHT AND DEPARTS THROUGH THE DAY  
SUNDAY. MULTIPLE SYSTEMS WILL THEN BRING THE POTENTIAL FOR RAIN  
SHOWERS NEXT WEEK.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........35 PERCENT.  
WIND SHIFT..........NONE.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 12 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 15 MPH INCREASING TO SOUTHWEST 18 TO  
24 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (2200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (85500 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................7 EARLY IN THE MORNING INCREASING TO 89 IN THE  
AFTERNOON.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 5 7 16 25 32 39 46 51 56 61  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............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  
TEMP............31 31 37 42 46 49 51 52 53 54 54  
RH..............63 61 52 45 40 37 36 36 35 35 35  
20 FT WIND DIR..S S S S S S SW SW SW SW SW  
20 FT WIND SPD..2 3 6 7 9 10 12 13 13 13 13  
20 FT WIND GUST.6 7 9 13 16 18 21 22 22 22 21  
MIX HGT (KFT)...0.4 0.5 1.4 2.5 3.3 4.0 4.4 4.4 4.3 4.1 3.9  
TRANSP WIND DIR.S S S S S SW SW SW SW SW SW  
TRANSP WIND SPD.7 7 12 15 18 21 22 22 23 24 24  
ADI.............7 7 21 46 62 77 85 85 66 66 89  
VRATE KT-FT/1K..2 3 14 32 53 72 83 83 86 84 82  
VENTRATE CAT....PR PR PR PR FR GD GD GD GD GD GD  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 44.  
MAX HUMIDITY........60 PERCENT.  
WIND SHIFT..........NONE.  
WIND (20 FT)........SOUTHWEST WINDS 9 TO 12 MPH.  
MIXING HEIGHT.......1100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 22 MPH.  
SMOKE DISPERSAL.....GOOD (57600 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO FAIR (15300 KNOT-FT) LATE IN THE  
NIGHT.  
ADI.................71 EARLY IN THE EVENING DECREASING TO 13 LATE  
IN THE NIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........62 63 64 61 59 56 55 54 53 52 52 51  
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............53 52 51 49 47 46 45 45 45 45 45 46  
RH..............38 39 41 46 49 53 55 58 58 58 58 58  
20 FT WIND DIR..SW S S S S S S S SW SW SW SW  
20 FT WIND SPD..12 9 10 10 12 13 12 12 12 12 12 13  
20 FT WIND GUST.20 17 18 18 18 21 20 20 20 20 20 21  
MIX HGT (KFT)...3.0 2.1 1.1 1.2 1.2 1.3 1.2 1.2 1.2 1.2 1.2 1.2  
TRANSP WIND DIR.SW S S S SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.22 21 18 18 20 20 18 16 15 15 15 15  
ADI.............71 27 16 17 17 18 16 15 13 13 13 13  
VRATE KT-FT/1K..58 36 18 19 20 21 19 17 15 15 15 15  
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
CWR.................10 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........45 PERCENT.  
WIND SHIFT..........NONE.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 13 MPH.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 13 TO 18 MPH.  
SMOKE DISPERSAL.....POOR (12100 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (52200 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................13 TO 40.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........55 59 63 66 70 73 68 63 58 60 63 65  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 10 10 10 10 10 10 10 10 10 10  
CHC OF PCPN (%).0 0 10 10 10 10 10 10 10 10 10 10  
TEMP............46 47 48 50 53 56 59 61 62 64 64 64  
RH..............58 58 60 58 57 53 49 48 48 45 46 48  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..13 13 13 13 13 14 14 14 14 14 13 12  
20 FT WIND GUST.20 20 21 21 22 23 23 23 24 23 22 21  
MIX HGT (KFT)...1.2 1.1 1.1 1.4 1.7 2.0 2.4 2.9 3.3 3.7 4.0 4.4  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.14 14 13 15 16 18 17 15 14 14 14 14  
ADI.............13 19 17 26 29 35 36 36 35 37 38 40  
VRATE KT-FT/1K..14 13 12 18 24 32 35 38 40 44 48 52  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR FR FR FR  
 
 
FORECASTER...FITZSIMMONS  
REQUESTED BY...SHANNON HENRY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2608247.0/PHI  
.DELDT 03/28/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SHANNON@SILVIXFORESTRY.COM  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab PA Page
The Nexlab NJ Page
The Nexlab DE Page
The Nexlab MD Page
Main Text Page