066
FNUS72 KJAX 241253
FWSJAX
SPOT FORECAST FOR GRIFFIS REFORESTATION PROJECT...FLORIDA FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
853 AM EDT FRI JUL 24 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON JULY 24.
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
VERY HOT AND SEASONABLY HUMID WEATHER WILL CONTINUE AT THE BURN
SITE TODAY THROUGH THE WEEKEND. AN ISOLATED SHOWER OR THUNDERSTORM
MAY DEVELOP TOWARDS SUNSET THIS EVENING, WITH ANY ACTIVITY THAT
MANAGES TO DEVELOP DISSIPATING BEFORE MIDNIGHT. SCATTERED MAINLY
LATE AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ARE THEN
FORECAST ON SATURDAY, WITH STRONG STORMS AND LOCALLY HEAVY
DOWNPOURS POSSIBLE. LIGHT SURFACE AND TRANSPORT WINDS THIS MORNING
WILL BECOME EASTERLY THIS AFTERNOON, WITH ELEVATED MIXING HEIGHTS
COUNTERING LIGHT WIND SPEEDS AND YIELDING GOOD DAYTIME DISPERSION
VALUES. SURFACE AND TRANSPORT WINDS WILL SHIFT TO SOUTHERLY
OVERNIGHT AS SPEEDS DIMINISH. SOUTHWESTERLY SURFACE AND TRANSPORT
WINDS WILL THEN DEVELOP SHORTLY AFTER SUNRISE ON SATURDAY,
FOLLOWED BY WINDS SHIFTING TO WESTERLY DURING THE AFTERNOON HOURS.
ELEVATED MIXING HEIGHTS WILL AGAIN YIELD GOOD DAYTIME DISPERSION
VALUES ON SATURDAY AFTERNOON.
REST OF TODAY
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 18 12 21 31 32 32 28 34
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 10 10 10 10
TEMP............81 87 90 93 96 97 98 99 97
RH..............85 70 60 50 45 40 40 35 40
HEAT INDEX (F)..87 98 101 103 106 105 106 107 104
20 FT WIND DIR..S S S SE NE E E E E
20 FT WIND SPD..1 1 2 3 3 5 5 6 6
20 FT WIND GUST.5 5 5 7 9 10 12 12 12
MIX HGT (KFT)...1.7 2.7 3.7 4.8 5.9 7.0 7.3 7.6 7.9
TRANSP WIND DIR.SE SE SE E E E E E E
TRANSP WIND SPD.6 5 3 3 5 6 6 6 7
DISPERSION IDX..15 20 25 30 35 50 50 55 55
LVORI...........4 3 2 2 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........44 54 53 50 45 46 49 42 43 43 42 39
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).10 20 20 20 10 0 0 0 0 0 0 0
CHC OF THDR (%).10 20 10 10 10 0 0 0 0 0 0 0
TEMP............96 94 90 86 83 81 80 79 78 78 77 77
RH..............40 45 50 60 70 77 79 82 85 85 87 87
HEAT INDEX (F)..103 100 96 91 88 86 84 79 78 78 77 77
20 FT WIND DIR..E E SE SE SE SE SE SE SE S S S
20 FT WIND SPD..6 6 7 5 3 3 2 2 2 2 2 2
20 FT WIND GUST.12 12 13 12 10 9 9 8 8 8 8 8
MIX HGT (KFT)...5.5 3.1 0.8 0.7 0.6 0.6 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E E E SE SE S S S S S S S
TRANSP WIND SPD.8 9 9 9 8 7 7 7 7 7 7 7
DISPERSION IDX..50 35 10 5 4 3 3 3 3 3 3 3
LVORI...........1 1 2 3 3 3 4 5 5 5 6 6
SATURDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 32 38 44 48 53 55 61 64 62 62 66
WEATHER COV..... SCH CHC CHC
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH CHC CHC
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 20 30 40
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 20 30 40
TEMP............76 75 77 81 87 91 94 96 98 98 96 94
RH..............90 97 94 85 70 60 50 45 45 45 45 50
HEAT INDEX (F)..76 75 77 87 98 103 106 107 109 109 106 105
20 FT WIND DIR..S S S SW SW W W W W W W W
20 FT WIND SPD..2 2 3 5 7 7 8 8 8 8 9 9
20 FT WIND GUST.8 7 6 7 10 10 13 13 13 13 14 14
MIX HGT (KFT)...0.6 0.7 0.8 1.5 2.3 3.0 4.1 5.3 6.4 5.5 4.5 3.6
TRANSP WIND DIR.S SW SW SW W W W W W NW NW NW
TRANSP WIND SPD.7 7 7 7 8 8 8 8 8 9 10 12
DISPERSION IDX..3 3 10 15 25 30 40 50 60 60 60 50
LVORI...........6 7 6 4 3 2 1 1 1 1 1 1
FORECASTER...NELSON
REQUESTED BY...WYATT ELLEDGE
TYPE OF REQUEST...PRESCRIBED
.TAG 2618123.0/JAX
.DELDT 07/24/26
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM.ELLEDGE@FDACS.GOV
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