448
FNUS71 KPHI 192014
FWSPHI
SPOT FORECAST FOR NASCAR RACE WEEKEND AT POCONO RACEWAY...MONROE COUNTY OFFICE OF EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
414 PM EDT THU JUN 19 2025
FORECAST IS BASED ON FORECAST START TIME OF 0600 EDT ON JUNE 20.
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 CROSS OUR AREA LATER TONIGHT, BRINGING SOME RELIEF
FROM THE HOT AND HUMID CONDITIONS ON FRIDAY. HIGH PRESSURE IN THE
WESTERN ATLANTIC SHOULD THEN BUILD WESTWARD SOME THROUGH THE WEEKEND
AND PERSIST FOR THE FIRST HALF OF NEXT WEEK. THE HIGH MAY THEN
SETTLE MORE TO THE SOUTH AND WEST WEDNESDAY AND THURSDAY.
FRIDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........55 PERCENT.
DEWPOINT............55 INCREASING TO 58 LATE IN THE MORNING.
SURFACE WINDS (MPH).WEST WINDS 12 TO 14 MPH WITH GUSTS TO AROUND 26
MPH.
WIND (20 FT)........WEST WINDS 10 TO 13 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 18 TO 25 MPH.
SMOKE DISPERSAL.....POOR (6800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (98700 KNOT-FT) IN THE
AFTERNOON.
ADI.................14 EARLY IN THE MORNING INCREASING TO 97 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 16 11 8 8 7 13 16 19 24 13 31
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 10
TEMP............56 57 59 62 66 69 71 72 75 75 75 76
DEWPOINT........53 54 55 56 57 58 58 58 58 58 59 59
RH..............90 90 87 81 73 68 63 61 55 55 58 56
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..13 13 14 13 13 13 13 13 13 13 12 12
20 FT WIND GUST.26 26 26 25 24 24 24 23 23 22 21 20
SURFACE WND DIR.W W W W W W W W W W W W
SURFACE WND SPD.13 13 14 13 13 13 13 13 13 13 12 12
SURFACE WND GST.26 26 26 25 24 24 24 23 23 22 21 20
MIX HGT (KFT)...0.4 0.7 1.3 1.9 2.5 3.4 4.0 4.7 4.8 4.3 4.5 4.1
TRANSP WIND DIR.NW NW NW NW NW NW NW W W W W W
TRANSP WIND SPD.18 18 22 25 23 25 24 24 23 22 21 21
ADI.............16 14 36 60 66 86 90 97 93 84 82 78
VRATE KT-FT/1K..7 12 25 42 49 74 84 99 95 81 81 73
VENTRATE CAT....PR PR PR FR FR GD GD GD GD GD GD GD
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........90 PERCENT.
DEWPOINT............59.
SURFACE WINDS (MPH).WEST WINDS 5 TO 9 MPH.
WIND (20 FT)........WEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 17 MPH.
SMOKE DISPERSAL.....GOOD (37800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1300 KNOT-FT) LATE IN THE
NIGHT.
ADI.................55 EARLY IN THE EVENING DECREASING TO 6 LATE IN
THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........32 33 52 55 57 58 56 53 51 51 50 50
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0
TEMP............74 73 71 66 64 64 63 62 62 62 61 62
DEWPOINT........59 60 59 59 59 58 58 58 58 58 58 59
RH..............59 64 66 78 84 81 84 87 87 87 90 90
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..9 8 6 6 6 5 5 5 5 5 5 5
20 FT WIND GUST.16 15 14 13 12 12 12 12 12 12 12 12
SURFACE WND DIR.W W W W W W W W W W W W
SURFACE WND SPD.9 8 6 6 6 5 5 5 5 5 5 5
SURFACE WND GST.16 15 14 13 12 12 12 12 12 12 12 12
MIX HGT (KFT)...2.5 1.1 0.5 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.17 14 12 12 9 10 9 9 9 10 10 12
ADI.............55 9 8 8 6 7 6 6 6 7 7 8
VRATE KT-FT/1K..38 13 5 3 2 2 1 1 1 1 2 2
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........56 PERCENT.
DEWPOINT............61.
SURFACE WINDS (MPH).SOUTHWEST WINDS 5 TO 8 MPH.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......4800 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 20 MPH SHIFTING TO THE SOUTHWEST
AROUND 8 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (76800 KNOT-FT) IN THE
AFTERNOON.
ADI.................8 EARLY IN THE MORNING INCREASING TO 103 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 35 28 32 35 39 40 42 43 46 50 53
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............63 65 67 69 72 74 76 79 80 80 80 79
DEWPOINT........60 61 62 62 62 62 62 63 63 63 63 63
RH..............90 87 84 78 71 66 62 58 56 56 56 58
20 FT WIND DIR..W W W W W W W W W W SW SW
20 FT WIND SPD..5 5 5 5 6 6 6 7 7 8 8 8
20 FT WIND GUST.12 12 12 12 13 13 14 14 15 16 16 16
SURFACE WND DIR.W W W W W W W W W W SW SW
SURFACE WND SPD.5 5 5 5 6 6 6 7 7 8 8 8
SURFACE WND GST.12 12 12 12 13 13 14 14 15 16 16 16
MIX HGT (KFT)...0.4 0.5 0.7 1.4 2.2 2.9 3.6 4.2 4.8 4.2 3.6 3.0
TRANSP WIND DIR.W W W W W W W W W W W SW
TRANSP WIND SPD.12 12 12 14 17 20 20 18 18 15 12 8
ADI.............8 11 11 26 48 74 87 93 103 75 50 26
VRATE KT-FT/1K..4 5 7 18 32 50 59 68 77 55 36 21
VENTRATE CAT....PR PR PR PR PR FR FR GD GD FR PR PR
FORECASTER...FITZSIMMONS
REQUESTED BY...MARYELLEN KEEGAN
TYPE OF REQUEST...OTHER
.TAG 2516136.0/PHI
.DELDT 06/19/25
.FORMATTERVERSION 2.0.0
.EMAIL MKEEGAN1@MONROECOUNTYPA.GOV
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