972
FNUS71 KPHI 221146
FWSPHI
SPOT FORECAST FOR AREC...DE FISH & WILDLIFE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
646 AM EST MON DEC 22 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON DECEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
COLDER AND DRY CANADIAN HIGH PRESSURE WILL BUILD INTO THE REGION
THROUGH TODAY. NORTHWEST WINDS 5-10 MPH WILL EVENTUALLY SHIFT MORE
WESTERLY TO SOUTHWESTERLY THIS AFTERNOON, THEN BECOME LIGHT.
MINIMUM RELATIVE HUMIDITY WILL BE NEAR 35-40% TODAY WITH HIGH
TEMPERATURES IN THE LOW 40S UNDER MOSTLY SUNNY SKIES. CLOUDS WILL
MOVE INTO THE AREA TONIGHT WITH WINDS REMAINING LIGHT. THERE'S A
40-50% CHANCE OF SNOW OR RAIN LATE TONIGHT INTO TUESDAY MORNING.
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 41.
MIN HUMIDITY........41 PERCENT.
WIND SHIFT..........NONE EXPECTED.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
MIXING HEIGHT.......1800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 10 MPH SHIFTING TO THE SOUTHWEST
AROUND 8 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (15600 KNOT-FT) IN THE
AFTERNOON.
ADI.................7 TO 23.
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 4 1 2 2 4 6 4 18 15 35
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............24 25 30 33 35 38 39 40 40 40 37
RH..............68 68 55 51 47 42 42 41 42 42 50
20 FT WIND DIR..NW NW NW NW W W W W W SW SW
20 FT WIND SPD..3 3 5 6 6 6 6 6 5 3 2
20 FT WIND GUST.9 8 8 9 9 9 9 9 8 7 6
MIX HGT (KFT)...0.6 0.7 1.1 1.3 1.5 1.6 1.8 1.7 1.5 1.3 0.8
TRANSP WIND DIR.NW NW NW NW NW W W W W SW SW
TRANSP WIND SPD.7 8 9 10 9 8 9 10 9 8 8
ADI.............7 8 13 18 17 17 21 23 18 13 8
VRATE KT-FT/1K..4 5 9 12 12 11 15 16 12 9 5
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
SNOW OVERNIGHT. CHANCE OF SNOW OVERNIGHT.
CWR.................10 PERCENT INCREASING TO 50 PERCENT.
CHANCE OF PCPN......50 PERCENT.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........79 PERCENT.
WIND SHIFT..........NONE EXPECTED.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH
OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 13 MPH.
SMOKE DISPERSAL.....POOR (3600 KNOT-FT).
ADI.................4 TO 8.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........39 42 55 63 71 85 92 97 97 97 97 97
WEATHER COV..... SCH CHC CHC CHC CHC
WEATHER TYPE.... SN SN SN SN SN
TSTM COV........
CWR.............10 10 10 10 10 0 10 20 30 40 50 50
CHC OF PCPN (%).10 10 10 10 10 0 10 20 30 40 50 50
TEMP............35 33 32 31 32 32 31 32 33 34 35 35
RH..............54 61 66 69 66 66 72 72 72 72 72 72
20 FT WIND DIR..SW SW SW SW SW SW SW S S S S S
20 FT WIND SPD..2 2 2 2 3 3 3 3 5 5 5 6
20 FT WIND GUST.7 6 7 8 8 9 9 10 12 12 12 13
MIX HGT (KFT)...0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.7 0.8
TRANSP WIND DIR.SW SW SW SW SW SW S S S S S S
TRANSP WIND SPD.8 9 9 9 12 10 10 12 12 12 13 13
ADI.............4 4 4 4 5 5 5 5 8 8 8 8
VRATE KT-FT/1K..4 4 4 4 5 5 5 6 6 6 8 8
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SNOW
EARLY IN THE MORNING, THEN CHANCE OF RAIN IN
THE MORNING.
CWR.................50 PERCENT DECREASING TO 0 PERCENT.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........65 PERCENT.
WIND SHIFT..........NONE EXPECTED.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 7 MPH SHIFTING TO THE WEST
5 TO 6 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......1900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 15 MPH SHIFTING TO THE WEST 8
TO 9 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (5500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (23000 KNOT-FT) IN THE
AFTERNOON.
ADI.................9 TO 27.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........97 96 96 92 87 84 82 79 76 73 70 74
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....SN RN RN RN RN RN RN
TSTM COV........
CWR.............50 40 40 40 40 40 40 0 0 0 0 0
CHC OF PCPN (%).50 40 40 40 40 40 40 0 0 0 0 0
TEMP............35 36 37 38 40 42 43 45 46 46 46 45
RH..............75 75 79 79 73 70 70 68 65 65 65 68
20 FT WIND DIR..S S S S S SW SW SW SW W W W
20 FT WIND SPD..6 6 6 7 7 8 8 8 7 7 6 5
20 FT WIND GUST.13 14 14 14 15 15 15 15 14 12 10 10
MIX HGT (KFT)...0.8 0.8 1.5 1.8 1.9 1.9 1.8 1.6 1.4 1.2 1.0 0.8
TRANSP WIND DIR.S S S S SW SW SW SW W W W W
TRANSP WIND SPD.14 15 15 15 14 14 14 13 12 9 8 8
ADI.............16 17 24 27 26 26 25 22 18 13 10 9
VRATE KT-FT/1K..10 11 19 23 23 23 21 18 14 10 7 6
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...STAARMANN
REQUESTED BY...BRANDON NELSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2528002.0/PHI
.DELDT 12/22/25
.FORMATTERVERSION 2.0.0
.EMAIL BRANDON.NELSON@DELAWARE.GOV
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