058
FNUS72 KJAX 191309
FWSJAX
SPOT FORECAST FOR 215G WILDFIRE...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
909 AM EDT TUE AUG 19 2025
FORECAST IS BASED ON FORECAST START TIME OF 0900 EDT ON AUGUST 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.
..AREAS OF HIGH DISPERSIONS INLAND TODAY THROUGH WEDNESDAY
DISCUSSION
NORTHEAST WINDS 8-12 MPH WITH GUSTS TO NEAR 15 MPH EXPECTED TODAY
BETWEEN SURFACE HIGH PRESSURE RIDGE EXTENDING SOUTH FROM NEW ENGLAND
TO NORTH GA AND HURRICANE ERIN MOVING TO THE NORTHWEST, BUT REMAINING
WELL AWAY FROM THE REGION. THE ONSHORE NORTHEAST FLOW WILL GENERATE
CONVERGENT ISOLATED TO SCATTERED COASTAL SHOWERS MOVING INLAND OVER
THE SITE AT TIMES THIS AFTERNOON WITH AN T'STORM POSSIBLE UNDER
PARTLY CLOUDY SKIES. SHOWERS WILL END BEFORE SUNSET WITH SKIES
TURNING MOSTLY CLEAR OVERNIGHT AND WINDS BECOMING LIGHTER FROM THE
EAST NORTHEAST 3-5 MPH AFTER MIDNIGHT. WEDNESDAY, AS ERIN MOVES
NORTHWARD WELL TO THE EAST OF THE REGION WINDS WILL SHIFT TO A
NORTHERLY DIRECTION 5-10 MPH WITH DRIER AIR LIMITING CHANCES FOR
ISOLATED SHOWERS MAINLY EAST OF THE SITE.
ELEVATED SURFACE AND TRANSPORT WINDS WILL CREATE HIGH DAYTIME
DISPERSIONS THIS AFTERNOON AND AGAIN WEDNESDAY AS THE PRESSURE
GRADIENT REMAINS TIGHTENED BETWEEN THE HIGH TO THE NORTH AND ERIN
PASSING WELL TO THE EAST.
REST OF TODAY
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 15 17 26 36 36 46 40 47
WEATHER COV..... SCH SCH SCH CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........ SCH CHC ISO ISO
CHC OF PCPN (%).10 10 20 20 20 30 40 30 20
CHC OF THDR (%).0 0 0 10 20 30 40 40 20
TEMP............79 85 88 89 91 92 92 92 91
RH..............91 77 68 64 58 56 56 54 56
HEAT INDEX (F)..79 91 96 98 98 101 100 99 97
WIND CHILL (F)..79 83 86 88 89 91 91 91 90
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE
20 FT WIND SPD..5 6 8 9 9 9 10 9 9
20 FT WIND GUST.7 9 13 14 14 14 16 14 14
MIX HGT (KFT)...1.1 2.7 3.5 4.0 4.5 4.6 4.4 4.4 4.5
TRANSP WIND DIR.NE E E E E E E E E
TRANSP WIND SPD.8 10 12 13 13 13 13 14 14
DISPERSION IDX..11 36 51 60 67 69 67 70 70
LVORI...........5 3 2 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........42 32 25 14 12 6 6 3 3 7 8 13
WEATHER COV.....SCH
WEATHER TYPE....RW
TSTM COV........ISO
CHC OF PCPN (%).20 10 10 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).20 10 10 0 0 0 0 0 0 0 0 0
TEMP............90 87 84 81 80 78 76 76 75 74 73 73
RH..............58 61 67 74 77 82 90 90 94 97 97 97
HEAT INDEX (F)..96 92 88 85 79 78 77 77 76 75 75 74
WIND CHILL (F)..89 86 83 81 79 78 77 77 76 75 75 74
20 FT WIND DIR..E E E E NE NE NE NE N N N N
20 FT WIND SPD..8 7 5 5 3 3 3 3 3 3 5 5
20 FT WIND GUST.13 10 7 7 6 6 6 6 6 6 7 7
MIX HGT (KFT)...3.5 2.3 0.7 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.5
TRANSP WIND DIR.E E E E E NE NE NE NE NE N N
TRANSP WIND SPD.13 13 12 10 9 8 7 7 7 8 10 12
DISPERSION IDX..55 36 5 5 4 4 3 3 3 4 5 5
LVORI...........1 1 3 3 4 5 6 6 6 8 7 7
WEDNESDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20 17 12 9 7 5 8 12 15 20 25 30
WEATHER COV..... SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).0 0 10 10 10 10 10 10 20 20 20 20
CHC OF THDR (%).0 0 0 0 0 10 10 10 30 30 30 30
TEMP............73 72 74 78 82 86 89 91 92 92 92 91
RH..............97 100 97 88 77 68 61 56 54 54 52 54
HEAT INDEX (F)..73 73 74 77 89 95 98 99 100 100 100 99
WIND CHILL (F)..73 73 74 77 82 86 88 90 91 92 92 91
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..5 5 6 6 6 7 7 7 7 7 6 6
20 FT WIND GUST.7 7 8 9 9 10 10 10 10 10 9 9
MIX HGT (KFT)...0.5 0.6 0.7 1.6 2.5 3.4 4.2 4.9 5.7 5.9 6.0 6.2
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.12 10 9 10 12 14 15 15 15 14 12 10
DISPERSION IDX..5 5 9 22 38 56 73 86 97 92 82 75
LVORI...........7 9 7 4 3 1 1 1 1 1 1 1
FORECASTER...BRICKER
REQUESTED BY...RIDDLE
TYPE OF REQUEST...WILDFIRE
.TAG 2520212.0/JAX
.DELDT 08/19/25
.FORMATTERVERSION 2.0.0
.EMAIL JASON.RIDDLE@USDA.GOV
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