896
FNUS72 KJAX 081338
FWSJAX
SPOT FORECAST FOR 130/190 TRAINING EXAMPLE...FLORIDA FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
938 AM EDT TUE SEP 8 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON SEPTEMBER 08.
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
HIGH PRESSURE TO THE NORTH WILL SHIFT MORE TO THE NORTH NORTHEAST
THROUGH THIS EVENING AS AN INVERTED TROUGH PERSISTS OFFSHORE TO
THE EAST. MOIST, ONSHORE FLOW AND A TIGHTER LOCAL PRESSURE GRADIENT
WILL DELIVER BREEZY EAST NORTHEASTERLY WINDS TODAY 10-15 MPH WITH
GUSTS TO 25 MPH. SCATTERED SHOWERS OVER THE COASTAL WATERS WILL
MOVE ONSHORE THE SE GA COAST AND INTO INLAND NE FL THROUGH THIS
AFTERNOON WITH AN ISOLATED THUNDERSTORM NEAR THE SITE THROUGH
SUNSET. DISPERSIONS IN THE GOOD RANGE TODAY FROM BREEZY SURFACE
AND TRANSPORT WINDS FROM THE EAST NORTHEAST.
TONIGHT, THE TROUGH WILL MOVE ONSHORE AND WEAKEN OVER THE AREA.
SHOWER CHANCES WILL DIMINISH AFTER 10PM WITH DECREASING WINDS
5-10 MPH WITH GUSTS TO 15 MPH BEFORE MIDNIGHT. SKIES WILL BECOME
MOSTLY CLEAR WITH AN OCCASIONAL LIGHT SHOWER POSSIBLE.
WEDNESDAY, CHANCES FOR SHOWERS AND THUNDERSTORMS INCREASE OVER THE
SITE AREA AS A FRONTAL BOUNDARY REMAINS TO THE SOUTH WITH HIGH
PRESSURE TO THE NORTHEAST. EASTERLY WINDS 8-12 MPH WILL PREVAIL
WITH GUSTS TO 20 MPH. DISPERSIONS WILL AGAIN BE IN THE GOOD RANGE
FROM THE BREEZY SURFACE AND TRANSPORT EASTERLY WINDS.
REST OF TODAY
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........49 61 57 57 59 56 57 54
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH
CHC OF PCPN (%).20 30 40 40 30 30 40 30
CHC OF THDR (%).10 20 20 20 20 20 20 20
TEMP............82 86 88 88 88 87 86 86
RH..............82 72 68 68 68 68 72 70
HEAT INDEX (F)..89 96 99 99 99 96 96 95
20 FT WIND DIR..NE NE E E E E E E
20 FT WIND SPD..9 10 12 12 13 13 13 13
20 FT WIND GUST.18 20 21 21 21 23 24 23
MIX HGT (KFT)...2.4 3.4 3.5 3.7 3.9 3.8 3.6 3.5
TRANSP WIND DIR.E E E E E E E E
TRANSP WIND SPD.13 15 15 15 15 15 16 16
DISPERSION IDX..38 50 53 53 53 53 53 56
LVORI...........3 3 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........36 35 43 25 25 21 22 20 28 24 24 42
WEATHER COV.....SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW
TSTM COV........
CHC OF PCPN (%).20 20 20 20 10 10 10 10 10 10 10 10
CHC OF THDR (%).10 10 10 10 0 0 10 10 0 0 0 0
TEMP............84 82 79 78 77 77 76 76 75 75 74 74
RH..............74 79 85 88 90 90 94 94 100 100 100 100
HEAT INDEX (F)..92 89 79 78 77 77 76 76 75 75 74 74
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..12 10 9 8 7 6 6 6 6 6 5 3
20 FT WIND GUST.24 21 18 16 15 14 13 10 9 9 9 9
MIX HGT (KFT)...2.6 1.7 0.8 0.7 0.6 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E NE NE E E E E E E E E E
TRANSP WIND SPD.15 14 13 12 10 10 9 8 8 7 7 7
DISPERSION IDX..45 31 9 7 6 5 4 4 4 3 3 4
LVORI...........3 3 4 5 6 6 7 7 8 8 9 9
WEDNESDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........39 37 31 29 37 46 58 59 76 69 65 62
WEATHER COV..... SCH CHC CHC LKY CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC
CHC OF PCPN (%).10 10 0 0 0 20 30 40 60 50 50 40
CHC OF THDR (%).0 0 0 0 0 20 20 20 40 40 40 40
TEMP............74 74 76 78 82 85 86 87 87 87 86 85
RH..............100 100 97 94 85 77 75 72 72 70 72 75
HEAT INDEX (F)..74 74 76 78 90 96 97 99 99 98 96 94
20 FT WIND DIR..NE NE NE NE E E E E E E E E
20 FT WIND SPD..5 3 3 3 6 7 7 7 8 8 9 9
20 FT WIND GUST.9 9 9 9 12 13 14 15 16 17 18 18
MIX HGT (KFT)...0.5 0.5 0.5 1.4 2.4 3.3 3.7 4.0 4.4 4.1 3.8 3.4
TRANSP WIND DIR.E NE NE E E E E E E E E E
TRANSP WIND SPD.7 7 7 8 8 9 9 9 10 10 10 10
DISPERSION IDX..3 3 7 14 25 38 41 46 38 39 39 38
LVORI...........9 9 6 5 4 3 3 2 3 3 3 3
FORECASTER...BRICKER
REQUESTED BY...SIERRA BLACKWELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2621416.0/JAX
.DELDT 09/08/26
.FORMATTERVERSION 2.0.0
.EMAIL SIERRA.BLACKWELL@FDACS.GOV,MICHELLE.MAYLON@FDACS.GOV
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