738
FNUS71 KPHI 301959
FWSPHI
SPOT FORECAST FOR JB MDL D12-4,3 AND 2...USFWS
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
359 PM EDT THU MAR 30 2023
FORECAST IS BASED ON IGNITION TIME OF 1700 EDT ON MARCH 30.
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 CENTERED IN THE SOUTHERN GREAT LAKES REGION EARLY
THIS MORNING WILL BUILD TO THE SOUTHEAST. THE CORE OF THE AIR
MASS IS FORECAST TO SLIDE OFF THE VIRGINIA COAST THIS AFTERNOON
BEFORE MOVING FARTHER OUT TO SEA. A WARM FRONT APPROACHING FROM
THE SOUTHWEST IS EXPECTED TO LIFT THROUGH OUR REGION ON FRIDAY.
STRONG LOW PRESSURE IS ANTICIPATED TO PASS ACROSS THE GREAT
LAKES ON FRIDAY NIGHT BEFORE MOVING DOWN THE SAINT LAWRENCE
RIVER VALLEY ON SATURDAY. THE LOW IS FORECAST TO PULL A STRONG
COLD FRONT THROUGH OUR AREA ON SATURDAY EVENING. HIGH PRESSURE
IS EXPECTED TO FOLLOW FOR SUNDAY INTO MONDAY. A FRONTAL BOUNDARY
MAY DROP INTO OUR REGION FROM THE NORTHWEST ON MONDAY NIGHT AND
IT COULD MEANDER IN OUR VICINITY ON TUESDAY AND WEDNESDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........25 PERCENT.
WIND SHIFT..........GRADUAL SHIFT TO SOUTHWEST THROUGH THE EVENING.
WIND (20 FT)........NORTHWEST WINDS AROUND 9 MPH.
MIXING HEIGHT.......5900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 18 MPH.
SMOKE DISPERSAL.....EXCELLENT (95100 KNOT-FT).
ADI.................82.
TIME (EDT) 5PM
SKY (%).........5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0
CHC OF PCPN (%).0
LAL.............1
TEMP............46
RH..............25
20 FT WIND DIR..NW
20 FT WIND SPD..10
20 FT WIND GUST.15
MIX HGT (KFT)...5.9
TRANSP WIND DIR.W
TRANSP WIND SPD.18
ADI.............82
VRATE KT-FT/1K..95
VENTRATE CAT....GD
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-55 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........88 PERCENT.
WIND SHIFT..........GRADUAL SHIFT TO SOUTHWEST THROUGH THE EVENING
WIND (20 FT)........WEST WINDS 5 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING SOUTH AROUND 5
MPH EARLY IN THE MORNING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 16 MPH DECREASING TO AROUND 5 MPH
LATE IN THE EVENING, THEN SHIFTING TO THE SOUTH
6 TO 9 MPH OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (73000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (2000 KNOT-FT) LATE IN THE
NIGHT.
ADI.................96 EARLY IN THE EVENING DECREASING TO 2 LATE IN
THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 5 5 5 4 7 5 22 30 45 42 52
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
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............46 45 40 37 35 34 32 31 30 30 30 30
RH..............26 28 36 38 41 43 49 53 58 60 66 75
20 FT WIND DIR..W W W W W SW SW S S S S S
20 FT WIND SPD..8 6 5 3 2 2 3 3 3 3 5 5
20 FT WIND GUST.12 8 6 6 5 3 5 6 6 6 7 7
MIX HGT (KFT)...5.2 0.8 0.6 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W W W W SW S S S SW S
TRANSP WIND SPD.16 12 9 7 7 5 5 6 7 7 8 9
ADI.............96 5 4 3 3 2 2 3 3 3 5 6
VRATE KT-FT/1K..73 8 5 3 3 2 2 2 2 2 3 3
VENTRATE CAT....GD PR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
RAIN LATE IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........48 PERCENT.
WIND SHIFT..........NONE EXPECTED.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 14 TO 15 MPH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH INCREASING TO SOUTHWEST 22
TO 29 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR (3400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (86900 KNOT-FT) IN THE
AFTERNOON.
ADI.................7 EARLY IN THE MORNING INCREASING TO 74 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 43 29 52 53 72 76 80 76 79 77 70
WEATHER COV..... SCH SCH
WEATHER TYPE.... RN RN
TSTM COV........
CWR.............0 0 0 0 10 10 10 10 10 10 20 20
CHC OF PCPN (%).0 0 0 0 10 10 10 10 10 10 20 20
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............31 31 37 43 48 52 54 56 58 59 60 61
RH..............81 88 75 67 58 50 48 49 49 49 49 51
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..5 6 5 8 10 13 14 16 16 16 15 15
20 FT WIND GUST.8 9 8 14 16 20 21 24 24 24 24 24
MIX HGT (KFT)...0.4 0.4 0.6 1.5 1.8 2.5 2.8 3.3 3.5 3.4 3.0 2.6
TRANSP WIND DIR.S S S S S S S S S SW SW SW
TRANSP WIND SPD.10 10 12 17 18 22 23 28 29 29 28 25
ADI.............7 11 12 28 34 48 53 69 74 73 66 56
VRATE KT-FT/1K..3 4 6 22 29 48 57 78 87 85 73 56
VENTRATE CAT....PR PR PR PR PR FR FR GD GD GD GD FR
FORECASTER...JOHNSON
REQUESTED BY...STEVEN HOLMES
TYPE OF REQUEST...PRESCRIBED
.TAG 2307903.0/PHI
.DELDT 03/30/23
.FORMATTERVERSION 2.0.0
.EMAIL STEVEN_HOLMES@FWS.GOV
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