732
FNUS72 KJAX 201227
FWSJAX
SPOT FORECAST FOR MASF...FFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
727 AM EST FRI DEC 20 2024
FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON DECEMBER 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.
..ELEVATED NIGHTTIME DISPERSION VALUES TONIGHT
DISCUSSION
DRY WEATHER WILL CONTINUE AT THE BURN SITE THROUGH THE
WEEKEND. WEST-NORTHWESTERLY SURFACE AND TRANSPORT WINDS
WILL BECOME BREEZY SHORTLY AFTER IGNITION TIME, WITH A
DRIER AIR MASS EXPECTED ACROSS OUR AREA THIS AFTERNOON.
BREEZY SURFACE AND TRANSPORT WINDS WILL RESULT IN GOOD
DAYTIME DISPERSION VALUES BY THE LATE MORNING HOURS
TODAY. SURFACE AND TRANSPORT WINDS WILL REMAIN BREEZY
OVERNIGHT AS THEY SHIFT TO NORTHWESTERLY, RESULTING IN
ELEVATED NIGHTTIME DISPERSION VALUES TONIGHT. SURFACE
AND TRANSPORT WINDS WILL THEN SHIFT TO NORTHERLY AFTER
SUNRISE ON SATURDAY, WITH TRANSPORT SPEEDS REMAINING
STEADY AROUND 15 MPH RESULTING IN FAIR TO GOOD DAYTIME
DISPERSION VALUES.
REST OF TODAY
TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........33 20 7 6 7 9 5 3 3 2
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1
TEMP............57 60 64 66 69 70 70 70 69 65
RH..............93 78 65 60 50 45 40 40 40 45
WIND CHILL (F)..57 60 64 66 69 70 70 70 69 65
20 FT WIND DIR..W W W W W W W W W W
20 FT WIND SPD..7 8 9 10 13 14 15 14 14 13
20 FT WIND GUST.10 13 14 16 20 21 23 21 21 20
MIX HGT (KFT)...1.1 1.1 1.7 2.0 2.5 2.8 2.8 2.8 2.0 0.7
TRANSP WIND DIR.W W W W W W W W W W
TRANSP WIND SPD.15 15 16 17 18 20 18 17 16 15
DISPERSION IDX..25 30 35 45 50 50 45 40 35 20
LVORI...........5 3 3 1 1 1 1 1 1 2
TONIGHT
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 4 6 5 5 6 7 7 7 9 8 9
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............61 58 56 54 53 52 50 49 48 46 45 44
RH..............50 55 59 61 61 61 66 66 65 65 62 62
WIND CHILL (F)..61 58 56 54 53 52 46 45 43 41 39 38
20 FT WIND DIR..W W W NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 9 8 8 8 9 9 10 12 12 12 10
20 FT WIND GUST.16 14 13 13 13 14 14 16 17 17 17 16
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.7 0.8 0.9 1.0 1.0
TRANSP WIND DIR.W W W NW NW NW NW NW NW N N N
TRANSP WIND SPD.14 14 14 15 15 16 17 17 17 17 16 16
DISPERSION IDX..15 10 10 10 15 15 15 15 15 15 15 15
LVORI...........2 2 2 3 3 2 3 2 3 3 3 2
SATURDAY
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........12 10 8 9 19 21 23 25 25 26 26 25
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
TEMP............42 43 44 48 50 52 53 55 55 56 56 54
RH..............65 65 65 60 55 55 55 55 55 55 55 55
WIND CHILL (F)..36 38 39 44 46 52 53 55 55 56 56 54
20 FT WIND DIR..NW NW NW N N N N N N N N N
20 FT WIND SPD..9 8 9 9 9 9 10 10 10 10 10 9
20 FT WIND GUST.14 13 14 14 14 14 16 16 16 16 16 14
MIX HGT (KFT)...0.9 0.9 1.2 1.6 2.0 2.3 2.5 2.8 2.8 2.8 2.8 2.3
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.15 14 14 13 13 13 13 13 13 14 14 15
DISPERSION IDX..15 20 25 30 35 35 35 40 40 40 45 40
LVORI...........3 3 3 2 2 2 1 1 1 1 1 1
FORECASTER...NELSON
REQUESTED BY...JEFF DARR
TYPE OF REQUEST...PRESCRIBED
.TAG 2428821.0/JAX
.DELDT 12/20/24
.FORMATTERVERSION 2.0.0
.EMAIL JEFF.DARR@FDACS.GOV
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