412
FNUS72 KJAX 191210 AAA
FWSJAX
SPOT FORECAST FOR CONNER-NELSON RD (45)...FLORIDA FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
805 AM EDT SUN APR 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON APRIL 19.
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.
...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING...
DISCUSSION
UPDATE AT 805 AM...MADE SLIGHT ADJUSTMENT FOR WIND GUSTS AND INCREASED
DISPERSION VALUES FOR TODAY.
WESTERLY WINDS EXPECTED EARLY THIS MORNING AND WILL SHIFT TO THE
NORTHWEST BETWEEN 10 AM AND NOON AS A COLD FRONT ENTERS THE AREA. WIND
SPEEDS PICK UP TO 10-15 MPH DURING THE DAY WITH GUSTS OF ABOUT 20 MPH.
A SLIGHT CHANCE OF A SHOWER ANTICIPATED BETWEEN 3 PM AND 8 PM. NOT
EXPECTING A THUNDERSTORM TODAY AS PROBABILITIES ARE VERY LOW.
MIN RH AT THE SITE TODAY ABOUT 37-40 PERCENT WITH MAX DISPERSION
OF AROUND 85-95.
WINDS EVENTUALLY TURN TO THE NORTH AFTER THE 4-6 PM TIME FRAME, AND
WIND SPEEDS DIMINISH A BIT TO 10-12 MPH BY 8-9 PM THIS EVENING AND MAY
REMAIN ELEVATED OVERNIGHT TO AT LEAST 7-10 MPH.
ON MONDAY, A FIRE WEATHER WATCH REMAINS IN EFFECT GIVEN A DRY
AIRMASS AND WIND SPEEDS UP TO 15 MPH FROM THE NORTHEAST. MIN
RH VALUES MONDAY FORECAST TO BOTTOM OUT AROUND 22 TO 25 PERCENT.
LET US KNOW IF YOU NEED ANY FURTHER UPDATES.
REST OF TODAY
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........61 58 57 56 59 72 70 75 79 81
WEATHER COV..... SCH
WEATHER TYPE.... RW
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 20
CHC OF THDR (%).0 0 0 0 2 2 3 4 3 3
TEMP............65 69 75 80 81 83 83 83 83 80
RH..............84 76 64 52 53 48 46 43 40 41
HEAT INDEX (F)..65 69 75 81 82 83 83 83 82 80
20 FT WIND DIR..W W NW NW N NW NW N N N
20 FT WIND SPD..4 5 7 8 10 13 14 14 14 13
20 FT WIND GUST.8 9 10 12 13 14 16 18 19 19
MIX HGT (KFT)...0.7 1.6 2.8 4.0 5.1 5.9 6.3 6.0 5.4 4.5
TRANSP WIND DIR.W W NW NW NW NW NW NW N N
TRANSP WIND SPD.10 13 14 14 14 15 14 15 15 15
DISPERSION IDX..11 25 50 69 84 88 79 68 64 58
LVORI...........5 3 1 1 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........81 76 73 73 61 52 41 32 41 39 37 25
WEATHER COV.....SCH
WEATHER TYPE....RW
TSTM COV........
CHC OF PCPN (%).20 10 10 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).1 1 0 0 0 0 0 0 0 0 0 0
TEMP............79 75 69 67 64 62 62 60 58 57 55 53
RH..............39 43 47 47 46 46 41 42 44 43 47 50
HEAT INDEX (F)..79 75 69 67 64 62 62 60 58 57 55 53
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..12 12 9 7 8 8 7 7 6 6 6 7
20 FT WIND GUST.18 17 16 16 16 16 14 13 13 13 13 14
MIX HGT (KFT)...3.5 2.6 1.7 1.2 0.8 0.6 0.5 0.5 0.5 0.4 0.4 0.5
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.15 15 14 14 14 13 13 12 12 10 12 12
DISPERSION IDX..53 44 15 11 10 9 7 5 6 5 5 5
LVORI...........1 1 2 2 2 2 2 2 2 2 2 2
MONDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 22 20 19 17 15 17 20 22 19 16 13
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............53 52 54 59 65 70 73 75 76 77 78 77
RH..............48 52 50 47 43 36 31 28 25 24 22 23
HEAT INDEX (F)..53 52 54 59 65 70 73 75 76 77 78 77
20 FT WIND DIR..N N N NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..7 7 10 12 12 13 12 12 12 10 10 9
20 FT WIND GUST.14 15 17 20 20 21 20 20 20 18 17 17
MIX HGT (KFT)...0.3 0.2 0.6 1.6 3.1 4.4 5.2 5.8 6.1 6.4 6.5 5.9
TRANSP WIND DIR.N N N N NE NE NE NE NE NE N N
TRANSP WIND SPD.12 13 14 15 16 16 15 13 12 10 10 9
DISPERSION IDX..5 6 13 32 52 64 64 62 58 60 59 57
LVORI...........2 2 2 1 1 1 1 1 1 1 1 1
FORECASTER...SHASHY
REQUESTED BY...SIERRA BLACKWELL
TYPE OF REQUEST...WILDFIRE
.TAG 2610642.2/JAX
.DELDT 04/19/26
.FORMATTERVERSION 2.0.0
.EMAIL DESIREE.LIBERACKI@FDACS.GOV,MICHAEL.WORK@FDACS.GOV,MATTHEW.KLINDT@FDACS.GOV,SIERRA.BLACKWELL@FDACS.GOV,CHAZ.WOLLITZ@FDACS.GOV
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