857
FNUS72 KJAX 211203
FWSJAX
SPOT FORECAST FOR JOHN BETHEA P BURN...FLORIDA FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
803 AM EDT WED OCT 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON OCTOBER 21.
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
NORTHEASTERLY WINDS CONTINUE TODAY AND THURSDAY, WITH GOOD AFTERNOON
DISPERSIONS EXPECTED. NO PRECIPITATION IS FORECAST, AND IT WILL
BE MOSTLY SUNNY SKIES WITH HIGH TEMPERATURES IN THE UPPER 70S.
MINIMUM RELATIVE HUMIDITY VALUES WILL APPROACH 30% BOTH WEDNESDAY
AND THURSDAY AFTERNOONS. HIGHER MOISTURE AND STRONGER ONSHORE
WINDS RETURN THIS WEEKEND.
REST OF TODAY
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 1 1 1 1 3 2 1 1 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............47 53 61 70 73 76 78 78 77 77
RH..............83 77 70 57 51 43 38 35 33 32
20 FT WIND DIR..N N N NE NE NE NE NE NE NE
20 FT WIND SPD..5 6 6 6 7 6 6 7 6 6
20 FT WIND GUST.13 15 14 14 14 15 15 14 14 14
MIX HGT (KFT)...0.4 0.9 1.5 2.1 2.9 3.8 4.7 4.6 4.6 4.5
TRANSP WIND DIR.N N NE NE NE NE NE NE N N
TRANSP WIND SPD.9 10 10 12 12 12 12 12 10 10
DISPERSION IDX..10 12 20 29 42 53 63 62 56 55
LVORI...........4 4 3 2 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........0 0 1 1 1 1 1 2 3 3 3 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
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............71 66 62 59 57 55 54 53 52 51 50 50
RH..............41 52 62 69 75 80 80 80 83 83 86 83
20 FT WIND DIR..NE NE NE NE NE NE NE N N N N N
20 FT WIND SPD..5 3 3 2 1 1 1 1 1 1 1 1
20 FT WIND GUST.12 10 9 7 5 5 3 5 5 5 6 6
MIX HGT (KFT)...3.1 1.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N NE NE NE N N N N N N N N
TRANSP WIND SPD.9 9 8 7 7 6 6 6 6 6 6 6
DISPERSION IDX..36 20 4 3 3 3 3 3 3 3 3 3
LVORI...........1 2 3 3 3 4 4 4 5 5 5 5
THURSDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 4 8 4 2 3 2 0 1 2 1 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
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............49 49 48 53 62 68 71 75 76 77 77 76
RH..............86 83 86 77 62 49 41 34 32 31 31 32
20 FT WIND DIR..N N N N N N NE NE NE NE NE NE
20 FT WIND SPD..2 2 1 1 1 3 5 5 5 5 5 3
20 FT WIND GUST.6 7 7 6 6 7 10 12 12 12 12 10
MIX HGT (KFT)...0.3 0.3 0.3 1.1 1.9 2.6 3.4 4.1 4.9 5.1 5.4 5.6
TRANSP WIND DIR.N N N N NE NE NE NE NE NE NE NE
TRANSP WIND SPD.6 6 6 7 8 9 10 10 10 9 9 8
DISPERSION IDX..3 3 6 10 20 32 42 51 57 54 56 50
LVORI...........5 5 4 3 2 1 1 1 1 1 1 1
FORECASTER...KLINGLER
REQUESTED BY...MATTHEW DARNELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2624223.0/JAX
.DELDT 10/21/26
.FORMATTERVERSION 2.0.0
.EMAIL MATTHEW.DARNELL@FDACS.GOV,STEPHEN.DICENSO@FDACS.GOV
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