400
FNUS71 KPHI 031616
FWSPHI
SPOT FORECAST FOR 123...PENNDOT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1116 AM EST TUE FEB 3 2026
FORECAST IS BASED ON FORECAST START TIME OF 1200 EST ON FEBRUARY 03.
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 SOUTH OF THE REGION TODAY. WEAK LOW PRESSURE
PASSES SOUTH OF THE REGION TONIGHT WITH SURFACE HIGH PRESSURE
BRIEFLY RETURNING FOR WEDNESDAY AND THURSDAY. A CLIPPER SYSTEM WILL
THEN PASS NORTH OF THE REGION ON FRIDAY WITH A STRONG COLD FRONT
PASSING THROUGH FRIDAY NIGHT. ARCTIC HIGH PRESSURE WILL THEN BE IN
PLACE FOR THE WEEKEND INTO EARLY NEXT WEEK.
REST OF TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 34.
MIN HUMIDITY........60 PERCENT.
DEWPOINT............22.
SURFACE WINDS (MPH).WEST WINDS 5 TO 10 MPH.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 20 MPH.
SMOKE DISPERSAL.....POOR (5500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (42900 KNOT-FT) IN THE
AFTERNOON.
ADI.................9 EARLY IN THE MORNING INCREASING TO 54 IN THE
AFTERNOON.
TIME (EST) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90 86 87 87 88 87
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............33 34 34 34 34 32
DEWPOINT........23 23 22 23 22 22
RH..............65 64 62 64 62 65
20 FT WIND DIR..W W W W W W
20 FT WIND SPD..6 7 6 6 5 3
20 FT WIND GUST.12 12 12 10 8 6
SURFACE WND DIR.W W W W W W
SURFACE WND SPD.6 7 6 6 5 3
SURFACE WND GST.12 12 12 10 8 6
MIX HGT (KFT)...2.9 2.8 2.9 2.7 2.4 0.8
TRANSP WIND DIR.W W W W W W
TRANSP WIND SPD.17 16 15 13 12 8
ADI.............54 49 47 29 25 9
VRATE KT-FT/1K..43 39 38 30 24 6
VENTRATE CAT....FR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 19.
MAX HUMIDITY........86 PERCENT.
DEWPOINT............19.
SURFACE WINDS (MPH).LIGHT WINDS LESS THAN 5 MPH.
WIND (20 FT)........LIGHT WINDS LESS THAN 5 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE NORTHWEST 5 TO
10 MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (2000 KNOT-FT).
ADI.................3 TO 4.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........89 95 82 79 94 85 88 85 81 80 79 66
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 10 0 0 0 0
TEMP............31 30 27 26 26 26 24 24 24 23 23 22
DEWPOINT........21 21 20 20 20 20 20 20 20 19 18 18
RH..............67 69 75 79 79 79 83 83 83 83 80 86
20 FT WIND DIR..W W W W W W W W NW NW NW NW
20 FT WIND SPD..2 2 2 1 1 1 1 2 2 2 2 2
20 FT WIND GUST.3 2 2 2 2 3 5 6
SURFACE WND DIR.W W W W W W W W NW NW NW NW
SURFACE WND SPD.2 2 2 1 1 1 1 2 2 2 2 2
SURFACE WND GST.3 2 2 2 2 3 5 6
MIX HGT (KFT)...0.6 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5
TRANSP WIND DIR.W SW SW W SW W W W W NW NW NW
TRANSP WIND SPD.7 7 7 6 6 7 7 6 7 7 7 8
ADI.............3 3 3 3 3 3 3 3 3 3 3 4
VRATE KT-FT/1K..3 4 3 2 2 2 2 2 3 3 3 3
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 30.
MIN HUMIDITY........62 PERCENT.
DEWPOINT............17.
SURFACE WINDS (MPH).NORTH WINDS 5 TO 10 MPH
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR (4000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (19100 KNOT-FT) IN THE
AFTERNOON.
ADI.................10 TO 28.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 44 24 16 12 17 20 26 39 50 58 59
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............21 20 19 22 24 26 27 28 29 29 29 28
DEWPOINT........17 16 16 17 16 17 17 18 18 19 18 17
RH..............85 85 86 81 71 67 66 64 62 65 62 64
20 FT WIND DIR..NW N N N N N N N N N N N
20 FT WIND SPD..3 5 5 5 6 6 6 6 6 6 5 3
20 FT WIND GUST.6 7 8 8 10 10 10 10 9 9 7 5
SURFACE WND DIR.NW N N N N N N N N N N N
SURFACE WND SPD.3 5 5 5 6 6 6 6 6 6 5 3
SURFACE WND GST.6 7 8 8 10 10 10 10 9 9 7 5
MIX HGT (KFT)...0.5 0.5 0.7 1.1 1.4 1.7 1.9 2.0 2.2 2.4 2.3 1.7
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.9 9 10 12 12 12 10 9 9 9 9 8
ADI.............10 10 11 16 22 25 25 23 26 28 27 18
VRATE KT-FT/1K..4 4 6 10 14 16 16 16 18 19 18 13
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...HOEFLICH
REQUESTED BY...MATT ELLIOTT
TYPE OF REQUEST...OTHER
.TAG 2601590.0/PHI
.DELDT 02/03/26
.FORMATTERVERSION 2.0.0
.EMAIL MAELLIOTT@PA.GOV
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