090
FNUS72 KJAX 160613
FWSJAX
SPOT FORECAST FOR D. WOOLEY...FFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
113 AM EST FRI JAN 16 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 16.
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.
..LONG DURATIONS OF CRITICALLY LOW HUMIDITY TODAY
DISCUSSION
A VERY DRY AIR MASS WILL PREVAIL AT THE BURN SITE TODAY, WITH
LONG DURATIONS OF CRITICALLY LOW HUMIDITY VALUES EXPECTED THIS
AFTERNOON. LIGHT SOUTHEASTERLY SURFACE AND TRANSPORT WINDS
AROUND IGNITION TIME WILL SHIFT TO SOUTHERLY TOWARDS NOON AND
THEN SOUTHWESTERLY THIS AFTERNOON. TRANSPORT SPEEDS SHOULD
INCREASE TO 5-10 MPH BY THE MID TO LATE AFTERNOON HOURS,
BUT LIGHT SURFACE SPEEDS WILL RESULT IN GENERALLY POOR TO
MARGINALLY LOW DAYTIME DISPERSION VALUES TODAY. PATCHY TO
AREAS OF FROST FORMATION ARE EXPECTED AT THE BURN SITE
OVERNIGHT THROUGH THE EARLY MORNING HOURS ON SATURDAY.
TRANSPORT WINDS WILL BECOME SOUTHERLY AND WILL GRADUALLY
STRENGTHEN OVERNIGHT THROUGH SATURDAY MORNING, FOLLOWED
BY DECREASING SPEEDS DURING THE AFTERNOON HOURS AS
TRANSPORT WINDS SHIFT TO SOUTHWESTERLY. SURFACE SPEEDS OF
ONLY 5-10 MPH AND INCREASING CLOUD COVER WILL KEEP POOR TO
MARGINALLY LOW DAYTIME DISPERSION VALUES IN THE FORECAST
FOR SATURDAY.
REST OF TODAY
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 1 2 2 3 2 2 4
CHC OF PCPN (%).0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............39 44 47 51 53 55 56 55
RH..............40 30 25 20 20 20 20 25
WIND CHILL (F)..39 44 47 51 53 55 56 55
20 FT WIND DIR..SE SE S S S SW SW S
20 FT WIND SPD..2 2 2 3 3 3 3 2
20 FT WIND GUST.6 6 6 7 7 7 7 7
MIX HGT (KFT)...1.5 1.8 2.1 2.4 2.7 3.0 3.3 2.3
TRANSP WIND DIR.SE SE S S SW SW SW SW
TRANSP WIND SPD.6 5 5 5 5 6 6 6
DISPERSION IDX..10 15 15 20 20 25 25 20
LVORI...........2 2 2 2 2 2 2 2
TONIGHT
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 5 5 5 5 4 5 8 11 24 25 41
WEATHER COV..... PTY PTY PTY PTY PTY
WEATHER TYPE.... FST FST FST FST FST
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............51 46 41 40 38 35 36 36 36 36 37 37
RH..............30 40 50 55 59 64 61 64 64 67 67 67
WIND CHILL (F)..51 46 41 40 38 35 36 33 33 33 33 33
20 FT WIND DIR..S S S S S SE SE S S SE SE S
20 FT WIND SPD..2 2 2 2 2 2 2 3 3 3 5 5
20 FT WIND GUST.6 6 7 7 7 8 9 9 9 9 10 10
MIX HGT (KFT)...1.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.SW S S S S S S S S S S S
TRANSP WIND SPD.6 6 6 7 7 8 10 12 12 12 12 13
DISPERSION IDX..10 5 3 3 3 4 4 5 5 5 5 6
LVORI...........2 2 2 2 3 3 3 3 3 3 3 3
SATURDAY
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 44 48 51 54 56 58 60 60 60 60 63
WEATHER COV.....PTY PTY PTY
WEATHER TYPE....FST FST FST
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 36 38 45 53 59 64 67 69 70 68 65
RH..............70 75 79 70 55 50 45 40 40 40 45 50
WIND CHILL (F)..33 32 34 43 53 59 64 67 69 70 68 65
20 FT WIND DIR..S SE S S S S S S S SW SW SW
20 FT WIND SPD..5 5 5 5 6 6 7 7 7 7 6 5
20 FT WIND GUST.10 10 10 10 12 12 12 12 12 12 10 9
MIX HGT (KFT)...0.4 0.4 0.5 0.7 0.8 1.3 1.7 2.1 2.5 2.9 3.2 2.3
TRANSP WIND DIR.S S S S S S S S S SW SW SW
TRANSP WIND SPD.13 13 13 13 13 12 9 8 7 7 6 5
DISPERSION IDX..5 15 15 15 20 25 25 25 25 25 20 15
LVORI...........3 3 4 3 2 2 2 2 2 2 2 2
FORECASTER...NELSON
REQUESTED BY...RONALD PALMER
TYPE OF REQUEST...PRESCRIBED
.TAG 2600284.0/JAX
.DELDT 01/16/26
.FORMATTERVERSION 2.0.0
.EMAIL RONALD.PALMER@FDACS.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page