416
FNUS72 KJAX 200916
FWSJAX
SPOT FORECAST FOR 215G WILDFIRE...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
516 AM EDT WED AUG 20 2025
FORECAST IS BASED ON FORECAST START TIME OF 0610 EDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (904) 741-4370 IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
MOSTLY DRY TODAY WITH A LOW 20% OF AFTERNOON SHOWERS
OR A THUNDERSTORM AFTER 3 PM. NORTH-NORTHEAST WINDS 3-8 MPH
TODAY WITH GUSTS UP TO 15 MPH IN THE AFTERNOON. WIND BACKS NNW INTO
THE LATE AFTERNOON AND EARLY EVENING THEN W TONIGHT WITH SPEEDS
LESS THAN 5 MPH. GOOD DISPERSION TODAY UNDER ELEVATED NORTHERLY
TRANSPORT WINDS. MINIMUM HUMIDITY ABOVE CRITICAL VALUES.
HEAT INDEX NEAR 100 DEGREES MID TO LATE AFTERNOON.
REST OF TODAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 14 13 16 12 18 28 28 30 34 33 36
WEATHER COV..... SCH SCH
WEATHER TYPE.... RW RW
TSTM COV........ SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 20 20
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 20 20 20
TEMP............73 73 74 78 82 85 88 89 91 92 91 90
RH..............97 97 97 88 77 70 61 59 54 52 52 54
HEAT INDEX (F)..73 73 74 78 88 93 96 97 99 100 98 96
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..3 3 3 6 6 7 7 7 7 6 6 6
20 FT WIND GUST.6 6 6 9 9 10 10 10 10 9 9 9
MIX HGT (KFT)...0.4 0.4 0.7 1.3 2.1 3.1 4.0 4.5 4.9 5.0 4.8 4.9
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.8 9 9 10 12 12 12 12 12 10 10 9
DISPERSION IDX..4 4 9 18 31 45 56 61 64 63 61 55
LVORI...........8 8 7 4 3 1 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........38 45 34 30 22 32 22 11 7 6 6 11
WEATHER COV.....SCH
WEATHER TYPE....RW
TSTM COV........SCH
CHC OF PCPN (%).20 10 10 10 10 10 10 0 0 0 0 0
CHC OF THDR (%).20 20 10 10 10 10 0 0 0 0 0 0
TEMP............89 88 84 82 80 80 78 77 76 75 75 75
RH..............57 59 70 72 79 77 82 85 87 90 87 87
HEAT INDEX (F)..96 95 90 87 84 84 78 77 76 75 75 75
20 FT WIND DIR..N N N W W SW W W W W W W
20 FT WIND SPD..5 3 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.7 6 3 3 3 3 3 3 3 3 3 3
MIX HGT (KFT)...4.0 2.2 0.5 0.5 0.5 0.5 0.4 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N NW NW NW W W W W W W W W
TRANSP WIND SPD.8 7 7 6 6 6 6 6 7 6 6 6
DISPERSION IDX..42 21 3 3 3 3 3 3 3 3 3 2
LVORI...........1 2 3 3 4 4 5 5 6 6 6 6
THURSDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........16 13 9 2 4 6 13 21 28 34 39 45
WEATHER COV..... CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........ CHC CHC CHC CHC
CHC OF PCPN (%).0 0 0 0 0 0 0 0 50 50 50 50
CHC OF THDR (%).0 0 0 0 0 0 0 0 50 50 50 50
TEMP............74 74 75 80 84 88 91 92 93 93 93 91
RH..............90 97 90 79 74 68 60 58 54 54 54 58
HEAT INDEX (F)..74 74 75 84 92 99 102 103 103 103 103 101
20 FT WIND DIR..W W NW NW NW W W W W W W W
20 FT WIND SPD..2 2 2 2 3 5 6 6 6 6 6 6
20 FT WIND GUST.3 3 3 3 6 7 9 9 9 9 9 9
MIX HGT (KFT)...0.4 0.4 0.4 1.5 2.7 3.8 4.5 5.1 5.8 5.1 4.4 3.7
TRANSP WIND DIR.W W NW W W W W W W W W W
TRANSP WIND SPD.5 5 5 6 8 9 9 9 9 9 9 9
DISPERSION IDX..2 2 5 12 26 43 51 58 64 57 52 45
LVORI...........7 8 6 4 3 1 1 1 1 1 1 1
FORECASTER...ENYEDI
REQUESTED BY...RIDDLE
TYPE OF REQUEST...WILDFIRE
.TAG 2520212.1/JAX
.DELDT 08/20/25
.FORMATTERVERSION 2.0.0
.EMAIL JASON.RIDDLE@USDA.GOV
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