543
FNUS72 KJAX 201322
FWSJAX
SPOT FORECAST FOR UNITS 25 AND 34...FWC
NATIONAL WEATHER SERVICE JACKSONVILLE FL
822 AM EST FRI DEC 20 2024
FORECAST IS BASED ON IGNITION TIME OF 0900 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.
DISCUSSION
DRY WEATHER WILL CONTINUE AT THE BURN SITE THROUGH THE
WEEKEND. WEST-NORTHWESTERLY SURFACE AND TRANSPORT WINDS
WILL BECOME BREEZY LATE THIS MORNING, 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 NORTHERLY DURING THE PREDAWN
HOURS. NORTHERLY SURFACE WINDS WILL GRADUALLY DIMINISH
ON SATURDAY AFTERNOON, YIELDING FAIR DAYTIME DISPERSION
VALUES NEAR THE BURN SITE.
REST OF TODAY
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 9 9 9 9 5 2 1 1
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............59 64 66 68 69 70 70 69 65
RH..............78 65 55 50 40 40 35 35 40
WIND CHILL (F)..59 64 66 68 69 70 70 69 65
20 FT WIND DIR..W W W W W W W W W
20 FT WIND SPD..6 8 9 12 14 14 14 14 12
20 FT WIND GUST.9 13 14 17 21 21 21 21 17
MIX HGT (KFT)...1.1 1.8 2.1 2.5 2.7 2.8 2.8 1.9 0.6
TRANSP WIND DIR.W W W W W W W W W
TRANSP WIND SPD.14 15 16 17 17 17 16 14 13
DISPERSION IDX..20 35 45 50 50 45 40 30 20
LVORI...........3 2 1 1 1 1 1 2 2
TONIGHT
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........2 3 4 4 4 6 8 7 8 9 8 6
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 57 55 52 50 49 48 47 46 45 43 41
RH..............45 50 55 61 66 63 65 68 68 68 70 67
WIND CHILL (F)..60 57 55 52 48 47 45 44 42 41 39 36
20 FT WIND DIR..W W NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..9 7 6 5 5 5 6 7 7 7 7 7
20 FT WIND GUST.14 10 9 7 7 7 9 10 10 10 10 10
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W NW NW NW NW NW NW N N N
TRANSP WIND SPD.13 12 10 10 10 12 13 14 14 14 14 14
DISPERSION IDX..10 5 5 5 5 5 6 6 6 6 6 6
LVORI...........2 2 3 3 3 3 3 3 3 3 3 3
SATURDAY
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 4 2 1 3 5 7 9 10 12 13 12
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 39 40 43 46 49 52 55 56 57 58 55
RH..............73 73 70 60 55 50 45 40 40 40 40 45
WIND CHILL (F)..35 35 36 39 43 47 52 55 56 57 58 55
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 6 6 5
20 FT WIND GUST.9 9 9 9 9 9 9 9 9 9 9 7
MIX HGT (KFT)...0.5 0.5 0.9 1.3 1.7 2.0 2.4 2.7 2.8 2.9 3.0 2.2
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.13 12 10 10 9 9 8 8 8 9 9 9
DISPERSION IDX..6 15 15 20 25 25 25 30 30 35 35 30
LVORI...........3 3 3 2 2 2 2 2 2 1 1 2
FORECASTER...NELSON
REQUESTED BY...STORM WITTENBERG
TYPE OF REQUEST...PRESCRIBED
.TAG 2428828.0/JAX
.DELDT 12/20/24
.FORMATTERVERSION 2.0.0
.EMAIL STORM.WITTENBERG@MYFWC.COM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page