885  
FNUS71 KPHI 011427  
FWSPHI  
 
SPOT FORECAST FOR TYLER UNIT 1...SILVIX  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
1027 AM EDT TUE APR 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON APRIL 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
A COLD FRONT WILL MOVE OUT TO SEA TODAY. COOL AND DRY HIGH  
PRESSURE WILL SETTLE INTO THE AREA THROUGH WEDNESDAY, THEN MOVES  
QUICKLY OFFSHORE. A WARM FRONT WILL LIFT NORTH WEDNESDAY NIGHT  
INTO THURSDAY. THIS FRONT WILL RETURN SOUTH THROUGH THE AREA  
LATE FRIDAY, THEN LOW PRESSURE WILL PASS OFFSHORE OVER THE  
WEEKEND, KEEPING GENERALLY UNSETTLED CONDITIONS IN PLACE THROUGH  
THE WEEKEND.  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING  
PARTLY SUNNY (60-70 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........44 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........EAST WINDS 6 TO 8 MPH SHIFTING TO THE SOUTHEAST  
9 TO 13 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....EAST 10 TO 15 MPH SHIFTING TO THE SOUTHEAST 17  
TO 22 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (68300 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................11 EARLY IN THE MORNING INCREASING TO 67 IN THE  
AFTERNOON.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........33 45 46 56 72 72 67 62 60 59 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............34 36 38 42 45 48 50 52 53 53 53  
RH..............61 59 54 50 49 46 46 46 44 44 46  
20 FT WIND DIR..NE E E E E SE SE SE SE SE SE  
20 FT WIND SPD..6 7 7 8 9 10 12 13 14 14 14  
20 FT WIND GUST.14 13 14 14 15 18 21 21 23 23 23  
MIX HGT (KFT)...0.5 1.2 1.8 2.2 2.8 3.2 3.5 3.9 3.8 3.7 3.6  
TRANSP WIND DIR.E E E E E SE SE SE SE S S  
TRANSP WIND SPD.10 14 14 13 13 15 17 18 20 21 22  
ADI.............11 21 32 35 39 50 59 67 53 55 57  
VRATE KT-FT/1K..5 14 21 24 30 42 51 62 64 66 68  
VENTRATE CAT....PR PR PR PR PR FR FR GD GD GD GD  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG  
OVERNIGHT. CHANCE OF RAIN SHOWERS OVERNIGHT.  
CWR.................10 PERCENT INCREASING TO 30 PERCENT OVERNIGHT.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 45.  
MAX HUMIDITY........96 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 12 MPH.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 21 MPH.  
SMOKE DISPERSAL.....GOOD (56000 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (8500 KNOT-FT) LATE IN THE  
NIGHT.  
ADI.................12 TO 51.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........65 70 75 80 84 87 89 90 91 93 95 95  
WEATHER COV..... CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........  
CWR.............0 0 10 10 10 10 10 10 30 30 30 30  
CHC OF PCPN (%).0 0 10 10 10 10 10 10 30 30 30 30  
TEMP............52 50 49 48 47 47 47 47 48 49 50 51  
RH..............48 54 56 63 68 74 79 83 86 89 89 93  
20 FT WIND DIR..SE SE SE SE SE SE SE S S S S S  
20 FT WIND SPD..14 13 12 12 10 10 9 9 9 9 10 10  
20 FT WIND GUST.22 21 18 17 17 17 17 17 17 17 17 18  
MIX HGT (KFT)...3.1 2.5 2.0 1.7 1.5 1.2 1.2 1.2 1.1 1.0 0.9 0.7  
TRANSP WIND DIR.S SE SE S S S S S S S S S  
TRANSP WIND SPD.21 21 20 18 17 16 16 16 16 15 15 14  
ADI.............51 27 26 21 19 14 14 14 14 14 13 12  
VRATE KT-FT/1K..56 44 34 28 22 17 17 16 16 13 11 9  
VENTRATE CAT....FR FR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY  
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). PATCHY FOG EARLY IN THE  
MORNING. CHANCE OF RAIN SHOWERS EARLY IN THE  
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS  
LATE IN THE AFTERNOON.  
CWR.................30 PERCENT DECREASING TO 20 PERCENT EARLY IN  
THE MORNING, THEN INCREASING TO 40 PERCENT LATE  
IN THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........64 PERCENT.  
WIND SHIFT..........  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 16 MPH. GUSTS UP TO 30  
MPH.  
MIXING HEIGHT.......2300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 24 MPH INCREASING TO 24 TO 28  
MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (9700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (55500 KNOT-FT) IN THE  
AFTERNOON.  
ADI.................13 EARLY IN THE MORNING INCREASING TO 58 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........95 94 93 92 91 90 88 86 85 84 84 86  
WEATHER COV.....CHC CHC SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............30 30 20 20 20 20 20 20 40 40 40 40  
CHC OF PCPN (%).30 30 20 20 20 20 20 20 40 40 40 40  
TEMP............53 54 56 57 63 65 67 70 72 73 74 75  
RH..............93 93 93 96 81 81 78 73 71 68 66 64  
20 FT WIND DIR..S S S S S SW SW SW SW SW SW SW  
20 FT WIND SPD..12 13 14 15 16 17 18 18 18 18 18 16  
20 FT WIND GUST.18 21 22 24 26 28 29 30 30 29 29 25  
MIX HGT (KFT)...0.7 0.8 0.8 1.2 1.5 1.8 2.0 2.2 2.3 2.3 2.3 2.3  
TRANSP WIND DIR.S S S SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.15 16 17 21 24 28 28 28 28 26 25 24  
ADI.............13 18 19 29 40 51 53 55 58 55 53 51  
VRATE KT-FT/1K..10 11 12 21 31 44 48 52 56 53 51 49  
VENTRATE CAT....PR PR PR PR PR FR FR FR FR FR FR FR  
 
 
FORECASTER...MJL  
REQUESTED BY...SHANNON HENRY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2508585.0/PHI  
.DELDT 04/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SHANNON@SILVIXFORESTRY.COM  
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