649
FNUS72 KJAX 181340
FWSJAX
SPOT FORECAST FOR SALT SPRINGS SCRUB UNIT...US FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
840 AM EST THU DEC 18 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON DECEMBER 18.
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
SKIES WILL BE MOSTLY CLOUDY TODAY WITH SOUTHEASTERLY WINDS 5-10 MPH
GUSTING UP TO 15 MPH TURNING SOUTHERLY THIS AFTERNOON. ISOLATED
SHOWER COVERAGE WILL BECOME SCATTERED THIS AFTERNOON WITH AN
ISOLATED THUNDERSTORM POSSIBLE LATE THIS AFTERNOON THROUGH LATE
EVENING. DISPERSIONS WILL BE IN THE GOOD RANGE WITH PARTIAL BREAKS
IN CLOUD COVER AND BREEZY SOUTHERLY TRANSPORT WINDS.
SHOWER COVERAGE WILL BECOME MORE ISOLATED AFTER SUNSET AND INTO THE
OVERNIGHT HOURS WITH LOW STRATUS CLOUDS DEVELOPING AFTER MIDNIGHT
THROUGH SUNRISE. SOUTHERLY WINDS WILL BECOME SOUTHWESTERLY AS WELL
AFTER MIDNIGHT 5-10 MPH WITH HIGHER GUSTS TO 15 MPH AHEAD OF AN
APPROACHING COLD FRONT THAT WILL PUSH THROUGH THE SITE LATE FRIDAY
MORNING.
REST OF TODAY
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........66 68 70 73 72 71 70 72
WEATHER COV..... SCH SCH CHC CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........ SCH SCH
CHC OF PCPN (%).10 20 20 30 30 30 30 20
CHC OF THDR (%).0 0 0 10 10 10 20 20
TEMP............72 75 77 78 79 80 78 74
RH..............76 69 64 62 58 54 56 66
20 FT WIND DIR..SE SE SE SE S S S S
20 FT WIND SPD..6 7 8 9 9 9 8 7
20 FT WIND GUST.9 10 13 14 14 14 13 10
MIX HGT (KFT)...1.0 1.9 2.7 3.5 3.1 2.8 2.4 1.8
TRANSP WIND DIR.SE SE S S S S S S
TRANSP WIND SPD.14 15 17 17 16 15 13 12
DISPERSION IDX..18 36 50 57 51 44 35 25
TONIGHT
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........74 76 70 64 59 59 60 60 64 67 70 74
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH CHC SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH SCH SCH
CHC OF PCPN (%).20 20 20 20 20 20 20 30 20 20 20 10
CHC OF THDR (%).20 20 10 10 20 20 20 10 10 10 10 10
TEMP............69 68 66 65 64 66 66 66 66 66 66 64
RH..............81 87 93 97 100 93 93 93 93 97 97 100
20 FT WIND DIR..S S S S S S S SW SW SW SW SW
20 FT WIND SPD..6 5 3 5 5 6 7 7 8 8 8 7
20 FT WIND GUST.9 7 6 7 7 9 10 10 13 13 13 10
MIX HGT (KFT)...1.1 0.4 0.5 0.5 0.5 0.6 0.6 0.6 0.7 0.7 0.7 0.7
TRANSP WIND DIR.S S S S S S SW SW SW SW SW SW
TRANSP WIND SPD.10 9 9 10 12 12 13 14 14 13 13 12
DISPERSION IDX..14 6 6 7 8 8 9 11 12 12 11 9
FORECASTER...BRICKER
REQUESTED BY...JOHN RAMSAY
TYPE OF REQUEST...PRESCRIBED
.TAG 2527920.0/JAX
.DELDT 12/18/25
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.RAMSAY@USDA.GOV
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