854
FNUS72 KJAX 180554
FWSJAX
SPOT FORECAST FOR FERRY...US FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1254 AM EST THU DEC 18 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 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
CHANCES OF PRECIPITATION WILL STEADILY INCREASE TODAY AHEAD OF AN
APPROACHING COLD FRONT, WITH THUNDERSTORM CHANCES EXPECTED DURING
THE MID AFTERNOON AND THROUGH THE EARLY EVENING. SOUTHEASTERLY TO
SOUTHERLY WINDS THROUGH THE MAJORITY OF THE DAY WILL SHIFT TO
SOUTHWESTERLY DURING THE OVERNIGHT HOURS. DECENT DISPERSIONS ARE
EXPECTED TODAY AS TRANSPORT WINDS RANGE FROM 10 MPH TO 16 MPH
DURING THE AFTERNOON HOURS. MIN RHS WILL BE IN THE 50% TO 60%
DURING THE MID MORNING TO EARLY EVENING.
REST OF TODAY
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 61 63 65 68 72 76 74 72 70 73
WEATHER COV..... SCH SCH SCH CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH
CHC OF PCPN (%).10 10 10 20 20 20 30 30 30 30 30
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 20 20
TEMP............59 61 66 71 75 77 78 79 79 78 74
RH..............93 93 84 79 69 64 62 58 58 58 66
HEAT INDEX (F)..54 58 62 67 71 73 75 77 77 76 74
WIND CHILL (F)..54 58 62 67 71 73 75 77 77 76 74
20 FT WIND DIR..E E SE SE SE SE SE S S S S
20 FT WIND SPD..2 3 5 6 7 8 9 9 9 8 7
20 FT WIND GUST.3 6 7 9 10 13 14 14 14 13 10
MIX HGT (KFT)...0.4 0.6 0.8 1.0 1.6 2.3 3.0 2.8 2.6 2.4 1.7
TRANSP WIND DIR.E SE SE SE SE S S S S S S
TRANSP WIND SPD.7 9 10 13 15 16 16 16 15 13 12
DISPERSION IDX..7 8 9 15 31 42 48 44 39 33 23
LVORI...........6 6 4 4 3 1 1 1 1 1 3
TONIGHT
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........76 80 73 67 61 61 61 61 64 68 72 74
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH 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 20 20 20 20 10
CHC OF THDR (%).20 20 10 10 20 20 20 10 10 10 10 10
TEMP............69 67 66 65 64 65 65 66 66 66 66 65
RH..............81 87 90 97 100 97 97 93 93 97 97 100
HEAT INDEX (F)..71 67 65 63 61 60 59 58 57 57 57 56
WIND CHILL (F)..71 67 65 63 61 60 59 58 57 57 57 56
20 FT WIND DIR..S SW S S S S S SW SW SW SW SW
20 FT WIND SPD..6 5 5 5 5 6 7 7 8 8 8 7
20 FT WIND GUST.9 7 7 7 7 9 10 10 13 13 13 10
MIX HGT (KFT)...1.1 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.7 0.7 0.7
TRANSP WIND DIR.S S S S S S SW SW SW SW SW SW
TRANSP WIND SPD.9 8 9 9 10 12 13 14 14 13 13 12
DISPERSION IDX..12 6 6 7 8 9 10 11 12 12 11 10
LVORI...........4 5 6 6 6 6 6 5 5 6 6 7
FORECASTER...CRUZ
REQUESTED BY...JOHN RAMSAY
TYPE OF REQUEST...PRESCRIBED
.TAG 2527896.0/JAX
.DELDT 12/18/25
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.RAMSAY@USDA.GOV
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