675
FNUS71 KPHI 201030
FWSPHI
SPOT FORECAST FOR RANGE 61...JBMDL FIRE DEPARTMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
630 AM EDT WED MAY 20 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
..HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
DISCUSSION
A STRONG COLD FRONT CROSSES OUR AREA WEDNESDAY AFTERNOON AND
WEDNESDAY EVENING BEFORE STALLING TO OUR SOUTH THURSDAY.
SIGNIFICANTLY COOLER TEMPERATURES SETTLE IN BEHIND THE FRONT FOR THE
END OF THE WEEK AND INTO THE HOLIDAY WEEKEND. SEVERAL ROUNDS OF
SHOWERS WILL OCCUR TO END THE WEEK AND CONTINUE RIGHT INTO EARLY
NEXT WEEK.
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
SUNNY (60-70 PERCENT). SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 70 PERCENT.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........37 PERCENT.
WIND SHIFT..........PREVAILING WEST WINDS MAY BECOME GUSTY AND VARIABLE
IN AND AROUND ANY THUNDERSTORMS DURING THE AFTERNOON.
WIND (20 FT)........WEST WINDS 6 TO 10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......8100 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 22 MPH.
SMOKE DISPERSAL.....POOR (5600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (96300 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (68100
KNOT-FT) IN THE AFTERNOON.
ADI.................13 EARLY IN THE MORNING INCREASING TO 162 IN
THE AFTERNOON.
EYE LEVEL WINDS.....WEST WINDS UP TO 7 MPH.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 7 1 1 2 8 2 38 53 61 77
WEATHER COV..... SCH CHC CHC LKY
WEATHER TYPE.... RW LOW RW RW RW
TSTM COV........ SCH CHC CHC CHC
CWR.............0 0 0 0 0 0 0 20 30 40 70
CHC OF PCPN (%).0 0 0 0 0 0 0 20 30 40 70
TEMP............74 77 81 85 89 92 94 94 93 91 89
RH..............71 67 60 55 48 43 39 37 41 44 50
20 FT WIND DIR..SW W W W W W W W W W W
20 FT WIND SPD..7 7 8 9 9 10 10 12 12 12 10
20 FT WIND GUST.14 14 15 15 16 17 18 20 20 20 18
EYE LVL WND DIR.SW W W W W W W W W W W
EYE LVL WND SPD.4 4 5 5 5 6 6 7 7 7 6
EYE LVL WND GST.8 8 9 9 10 10 11 12 12 12 11
MIX HGT (KFT)...0.5 1.2 1.8 3.0 4.5 5.7 6.9 7.8 8.1 7.5 4.5
TRANSP WIND DIR.W W W W W W W W W W W
TRANSP WIND SPD.13 13 14 16 18 20 22 22 22 21 17
ADI.............13 20 32 59 97 125 162 108 79 101 68
VRATE KT-FT/1K..6 13 22 41 72 96 131 149 155 134 68
VENTRATE CAT....PR PR PR FR GD GD VGD VGD EXL VGD GD
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
CHANCE OF SHOWERS OVERNIGHT.
CWR.................80 PERCENT DECREASING TO 70 PERCENT EARLY IN
THE EVENING, THEN INCREASING TO 90 PERCENT
EARLY IN THE EVENING DECREASING TO 80 PERCENT
LATE IN THE EVENING DECREASING TO 60 PERCENT
DECREASING TO 40 PERCENT OVERNIGHT DECREASING
TO 30 PERCENT DECREASING TO 20 PERCENT
OVERNIGHT.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........87 PERCENT.
WIND SHIFT..........
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH 5 TO 6 MPH
OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 15 MPH SHIFTING TO THE NORTH 9 TO 13
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....FAIR (24700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (4400 KNOT-FT) LATE IN THE
NIGHT.
ADI.................5 TO 35.
EYE LEVEL WINDS.....NORTH WINDS UP TO 6 MPH SHIFTING TO THE UP TO 4
MPH IN THE LATE EVENING AND OVERNIGHT, THEN
INCREASING TO NORTH UP TO 4 MPH OVERNIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........86 81 90 86 91 95 77 84 77 85 91 87
WEATHER COV.....DEF LKY DEF DEF DEF LKY CHC CHC SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC SCH SCH SCH
CWR.............80 70 90 80 80 60 40 30 20 20 20 20
CHC OF PCPN (%).80 70 90 80 80 60 40 30 20 20 20 20
TEMP............85 81 77 75 73 71 69 67 65 64 61 60
RH..............59 67 76 82 84 87 84 87 84 78 78 75
20 FT WIND DIR..W W NW N NW N N N N N N N
20 FT WIND SPD..10 8 7 5 5 3 6 5 5 6 5 6
20 FT WIND GUST.17 15 12 9 9 9 10 9 9 10 10 10
EYE LVL WND DIR.W W NW N NW N N N N N N N
EYE LVL WND SPD.6 5 4 3 3 2 4 3 3 4 3 4
EYE LVL WND GST.10 9 7 5 5 5 6 5 5 6 6 6
MIX HGT (KFT)...1.9 0.8 0.5 0.9 1.2 1.2 1.3 1.2 0.9 0.8 0.9 0.8
TRANSP WIND DIR.W NW NW N N N N N N N N N
TRANSP WIND SPD.15 10 9 9 9 12 13 12 10 10 10 12
ADI.............35 9 6 6 6 5 8 8 7 7 7 8
VRATE KT-FT/1K..25 7 4 8 10 12 14 12 8 8 8 8
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...MJL
REQUESTED BY...ANDREW DECKER
TYPE OF REQUEST...WILDFIRE
.TAG 2614095.0/PHI
.DELDT 05/20/26
.FORMATTERVERSION 2.0.0
.EMAIL CROMNCE817@GMAIL.COM
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