883
FNUS72 KJAX 152258
FWSJAX
SPOT FORECAST FOR SR 26 FIRE...FLORIDA FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
658 PM EDT WED APR 15 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 EDT ON APRIL 15.
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
THE ATLANTIC SEA BREEZE WILL REACH THE SR-26 FIRE
AROUND 1930 WITH EASTERLY WINDS AROUND 6-10 MPH AT EYE LEVEL AND
GUSTS UP TO 15 MPH. SEA BREEZE WINDS WILL LINGER THROUGH 9 PM AND
THEN EASE WITH WIND SPEEDS TRENDING LIGHT TO CALM. THE OVERNIGHT
INVERSION WILL BEGIN TO TRAP SMOKE BY 9 PM AND THE LINGER EAST
WINDS WILL PUSH IT WESTWARD ALONG SR-26. EARLY THURSDAY, THERE IS THE
POTENTIAL FOR PATCHY FOG DEVELOPMENT AND THE VISIBILITY
DEGRADATION MAY BE ENHANCED IN AREAS OF HEAVY SURFACE SMOKE.
THOUGH MIXING HEIGHTS WILL PUSH TOWARD 6K FT, LIGHT TRANSPORT
WINDS WILL LEAD TO AN OVERALL POOR DISPERSION THURSDAY. HOT AND
DRY CONDITIONS WILL PERSIST THROUGH THE END OF THE WEEK WITH LOW
HUMIDITY AROUND 25-30% AND TEMPERATURES NEARING RECORD LEVELS. THE
SEA BREEZE WILL PUSH ACROSS THE FIRE AREA AGAIN THURSDAY AROUND
THE SAME TIME BETWEEN 7-8 PM, TURNING VARIABLE WINDS SOUTHEASTERLY
AROUND 10 MPH.
REST OF TONIGHT
TIME (EDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........7 4 12 10 17 12 12 9 14 28 35
WEATHER COV..... PTY PTY
WEATHER TYPE.... FOGFOG
TSTM COV........
CHC OF PCPN (%).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
TEMP............84 78 75 72 69 67 65 63 62 60 60
RH..............37 47 54 60 69 74 77 83 86 92 92
HEAT INDEX (F)..83 78 75 72 69 67 65 63 62 60 60
WIND CHILL (F)..83 78 74 71 68 66 64 62 61 59 59
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..7 7 6 5 5 3 3 3 2 2 1
20 FT WIND GUST.12 14 15 13 9 9 9 8 8 8 7
MIX HGT (KFT)...2.6 1.0 0.5 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E E SE SE SE SE SE SE S S S
TRANSP WIND SPD.10 12 10 9 8 8 9 9 10 10 10
DISPERSION IDX..33 5 5 4 4 4 4 4 5 5 4
LVORI...........1 2 2 3 3 3 4 5 5 6 6
THURSDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........37 36 37 25 16 16 9 21 20 26 22 24
WEATHER COV.....PTY PTY PTY
WEATHER TYPE....FOG FOG FOG
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............59 58 60 64 71 77 81 84 87 88 88 90
RH..............95 98 92 89 71 60 52 46 39 36 34 31
HEAT INDEX (F)..59 58 60 64 71 77 82 84 86 87 86 88
WIND CHILL (F)..58 57 59 63 71 77 82 84 86 87 86 88
20 FT WIND DIR..S S S S S SW SW S SE SE SE S
20 FT WIND SPD..1 1 2 2 2 2 2 2 2 2 3 3
20 FT WIND GUST.7 6 6 6 6 6 7 6 6 7 7 8
MIX HGT (KFT)...0.3 0.2 0.4 1.2 2.2 3.2 4.1 4.9 5.5 6.2 6.5 6.1
TRANSP WIND DIR.S S S S SW SW SW S SE S S S
TRANSP WIND SPD.9 8 6 6 5 3 3 2 2 2 3 3
DISPERSION IDX..4 3 6 8 13 16 18 16 16 19 25 31
LVORI...........7 9 6 5 3 2 2 2 2 2 2 1
THURSDAY NIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........21 12 7 10 10 9 8 7 6 9 12 15
WEATHER COV..... PTY PTY
WEATHER TYPE.... FOG FOG
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............88 86 83 77 73 70 67 65 64 62 61 61
RH..............34 36 42 53 63 69 77 81 86 92 92 92
HEAT INDEX (F)..86 85 82 77 73 70 67 66 64 62 61 61
WIND CHILL (F)..86 85 82 76 72 69 66 64 63 61 60 60
20 FT WIND DIR..S S SE SSE S S S S S SW SW SW
20 FT WIND SPD..3 3 10 7 2 2 1 1 2 1 1 1
20 FT WIND GUST.8 8 12 9 8 7 6 6 6 5 5 3
MIX HGT (KFT)...4.4 2.3 0.6 0.1 0.2 0.5 0.4 0.4 0.4 0.4 0.3 0.3
TRANSP WIND DIR.S SW SW SW SW SW SW SW S SW SW W
TRANSP WIND SPD.6 8 9 8 7 6 5 5 5 5 5 5
DISPERSION IDX..33 25 4 4 3 2 2 2 2 2 2 2
LVORI...........1 2 2 2 3 3 3 5 5 7 7 7
FRIDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 15 15 11 8 4 7 9 12 11 9 8
WEATHER COV.....ARS ARS PTY
WEATHER TYPE....FOG FOG FOG
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............59 59 61 66 73 80 84 87 89 90 91 91
RH..............96 96 93 81 66 55 47 41 35 33 31 30
HEAT INDEX (F)..59 59 61 66 73 81 84 87 88 89 89 89
WIND CHILL (F)..59 59 61 66 73 79 83 86 88 89 89 89
20 FT WIND DIR..SW SW SW SW W W W SW SW SW SW SW
20 FT WIND SPD..1 1 1 1 1 2 2 2 2 3 3 5
20 FT WIND GUST.3 3 3 3 5 5 6 6 7 7 8 9
MIX HGT (KFT)...0.1 0.1 0.3 1.4 2.8 4.1 5.1 5.9 6.4 7.0 7.2 6.7
TRANSP WIND DIR.W W W W W W W SW SW SW SW SW
TRANSP WIND SPD.5 5 5 5 5 5 5 3 3 3 3 5
DISPERSION IDX..2 2 4 8 16 24 29 25 27 29 34 37
LVORI...........8 8 6 4 3 2 2 2 2 2 1 1
FORECASTER...BOOTHE
REQUESTED BY...TIM STEED
TYPE OF REQUEST...WILDFIRE
.TAG 2610483.0/JAX
.DELDT 04/15/26
.FORMATTERVERSION 2.0.0
.EMAIL TIMMY.STEED@FDACS.GOV
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