675
FNUS71 KPHI 111505
FWSPHI
SPOT FORECAST FOR COVERDALE FARM PRESERVE...DELAWARE NATURE SOCIETY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1005 AM EST THU DEC 11 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON DECEMBER 11.
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 BUILDS INTO OUR AREA TODAY AND REMAIN THROUGH FRIDAY.
SEVERAL WEAK DISTURBANCES WILL PASS THROUGH THE REGION THROUGH SATURDAY.
LOW PRESSURE PASSES THROUGH THE REGION SATURDAY NIGHT THROUGH SUNDAY
MORNING, AND THEN A STRONG COLD FRONT MOVES THROUGH THE REGION
LATER SUNDAY. ARCTIC HIGH PRESSURE BUILDS IN FROM THE WEST FOR THE
START OF THE NEW WORK WEEK BEFORE SAGGING INTO THE SOUTHEAST AND
MID-ATLANTIC BY THE MIDDLE OF NEXT WEEK.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CWR.................10 PERCENT.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 35.
MIN HUMIDITY........41 PERCENT.
WIND SHIFT..........
WIND (20 FT)........WEST WINDS 14 TO 20 MPH WITH GUSTS TO AROUND 37
MPH.
MIXING HEIGHT.......5200 FT AGL.
TRANSPORT WINDS.....WEST 25 TO 30 MPH DECREASING TO AROUND 20 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (77400 KNOT-FT) DECREASING TO FAIR
(16500 KNOT-FT) LATE IN THE AFTERNOON.
ADI.................25 EARLY IN THE MORNING INCREASING TO 94 IN THE
AFTERNOON.
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 55 57 59 59 58 58 43
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............10 10 10 10 0 0 0 0
CHC OF PCPN (%).10 10 10 10 0 0 0 0
TEMP............32 33 33 35 34 34 33 31
RH..............51 47 47 41 41 41 41 45
20 FT WIND DIR..NW NW W W W W W W
20 FT WIND SPD..21 20 20 20 18 17 16 15
20 FT WIND GUST.33 35 36 37 33 31 30 29
MIX HGT (KFT)...4.4 4.9 5.2 5.2 5.2 4.9 3.4 1.0
TRANSP WIND DIR.NW NW W W W W W W
TRANSP WIND SPD.25 26 28 29 30 30 26 20
ADI.............73 81 86 89 94 91 67 25
VRATE KT-FT/1K..98 114 124 129 137 127 77 17
VENTRATE CAT....GD VGD VGD VGD VGD VGD GD PR
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 23.
MAX HUMIDITY........71 PERCENT.
WIND SHIFT..........
WIND (20 FT)........WEST WINDS 8 TO 13 MPH. GUSTS UP TO 29 MPH IN
THE EVENING AND OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 14 TO 20 MPH.
SMOKE DISPERSAL.....FAIR (17100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (7700 KNOT-FT) LATE IN THE
NIGHT.
ADI.................10 TO 18.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........29 14 11 8 5 12 19 26 29 33 36 45
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............30 28 28 27 27 26 25 26 25 25 25 25
RH..............49 53 53 55 55 57 60 57 60 60 60 62
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..15 14 13 12 12 12 13 13 13 12 10 9
20 FT WIND GUST.29 28 24 22 22 22 21 21 21 20 18 16
MIX HGT (KFT)...0.8 0.6 0.5 0.6 0.7 0.6 0.6 0.6 1.3 1.0 1.1 1.4
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 20 20 20 17 16 16 16 15 15 15 14
ADI.............18 18 18 13 12 11 14 14 13 10 10 15
VRATE KT-FT/1K..13 9 9 11 10 9 8 9 17 13 15 17
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 37.
MIN HUMIDITY........47 PERCENT.
WIND SHIFT..........
WIND (20 FT)........WEST WINDS 5 TO 7 MPH BECOMING LIGHT.
MIXING HEIGHT.......3700 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 15 MPH.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (43100 KNOT-FT) IN THE
AFTERNOON.
ADI.................6 TO 46.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 64 57 54 50 52 54 56 51 46 41 40
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............23 25 26 29 32 34 35 35 36 36 35 33
RH..............71 68 65 60 56 51 49 49 47 47 49 53
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..7 6 6 7 7 7 7 7 7 6 5 3
20 FT WIND GUST.14 12 12 13 14 15 15 14 13 10 8 7
MIX HGT (KFT)...0.6 0.7 1.2 2.5 3.2 3.5 3.6 3.7 3.5 3.1 1.4 0.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.12 12 12 15 14 14 14 13 12 12 7 6
ADI.............13 9 18 33 46 36 36 34 30 38 13 6
VRATE KT-FT/1K..6 7 12 33 38 42 43 40 35 31 9 3
VENTRATE CAT....PR PR PR PR PR FR FR FR PR PR PR PR
FORECASTER...OHARA
REQUESTED BY...DAVE PRO
TYPE OF REQUEST...PRESCRIBED
.TAG 2527491.0/PHI
.DELDT 12/11/25
.FORMATTERVERSION 2.0.0
.EMAIL DAVE@DELNATURE.ORG
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