102
FNUS72 KJAX 140547
FWSJAX
SPOT FORECAST FOR OSBS D3 RX...UNIVERSITY OF FLORIDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
147 AM EDT SUN JUN 14 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON JUNE 14.
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
ANOTHER HOT DAY IS EXPECTED TODAY WITH HEAT INDICES PEAKING AROUND
THE 105 RANGE DURING THE EARLY TO MID AFTERNOON HOURS. SOUTHWEST
FLOW WILL BE AROUND 10-15 MPH, WITH A GULF SEA BREEZE MOVING INLAND
DURING THE EARLY AFTERNOON HOURS. SCATTERED TO NUMEROUS SHOWERS AND
THUNDERSTORMS ARE EXPECTED AS THE BREEZE MOVES INLAND, WITH TORRENTIAL
RAINFALL THE PRIMARY HAZARD WITH ANY THUNDERSTORMS. DISPERSIONS WILL
BE GOOD IN THE 60-70 RANGE DURING THE AFTERNOON, THOUGH WILL LIKELY
BECOME ALTERED AND MORE ERRATIC THIS AFTERNOON WITH THE DAYTIME
STORMS, AS WILL WIND DIRECTIONS AND SPEEDS ACCORDINGLY. MONDAY WILL
BE A SIMILAR DAY OVERALL, WITH A SOUTHWEST FLOW REGIME, HOT CONDITIONS,
AND GOOD DAYTIME DISPERSIONS.
REST OF TODAY
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........64 58 58 51 47 51 57 59 60 66
WEATHER COV..... SCH CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH CHC CHC CHC CHC
CHC OF PCPN (%).0 0 0 10 10 20 30 30 30 40
CHC OF THDR (%).0 0 0 10 10 20 30 30 30 40
TEMP............79 82 85 87 90 92 93 94 92 89
RH..............91 85 77 72 64 60 56 53 56 64
HEAT INDEX (F)..79 90 96 99 102 105 105 105 102 99
20 FT WIND DIR..W W W W W W SW SW SW SW
20 FT WIND SPD..5 7 8 9 9 9 9 10 10 12
20 FT WIND GUST.7 10 13 14 14 14 14 16 16 17
MIX HGT (KFT)...0.9 1.5 2.4 3.3 4.3 5.2 5.6 5.1 4.2 3.1
TRANSP WIND DIR.W W W W W W W W W W
TRANSP WIND SPD.10 10 10 10 10 10 10 12 13 13
DISPERSION IDX..11 20 31 41 53 60 65 66 61 44
LVORI...........5 3 3 2 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........72 78 76 74 69 65 59 59 61 66 69 70
WEATHER COV.....LKY CHC SCH
WEATHER TYPE....RW RW RW
TSTM COV........LKY CHC SCH
CHC OF PCPN (%).60 40 20 10 0 0 0 0 10 10 10 0
CHC OF THDR (%).60 40 20 10 0 0 0 0 10 10 10 0
TEMP............88 85 83 80 78 78 77 77 76 76 75 75
RH..............66 72 77 85 91 88 90 90 94 94 97 97
HEAT INDEX (F)..98 94 90 85 78 78 77 77 76 76 75 75
20 FT WIND DIR..W W SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..12 10 9 7 6 6 6 6 6 6 6 7
20 FT WIND GUST.17 16 14 10 9 9 9 9 9 9 9 10
MIX HGT (KFT)...2.1 1.2 0.6 0.4 0.4 0.6 0.7 0.7 0.7 0.7 0.7 0.7
TRANSP WIND DIR.W W W W SW SW SW SW SW W W W
TRANSP WIND SPD.13 13 12 10 10 10 9 10 10 10 10 12
DISPERSION IDX..35 20 10 7 7 6 6 7 7 7 7 8
LVORI...........1 3 3 4 4 5 6 5 6 6 6 6
MONDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........66 64 58 55 46 34 37 46 83 83 83 83
WEATHER COV..... SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH LKY LKY LKY LKY
CHC OF PCPN (%).0 10 20 20 20 20 20 20 70 70 70 70
CHC OF THDR (%).0 0 10 10 10 20 20 20 70 70 70 70
TEMP............75 75 78 82 86 88 90 92 93 92 91 90
RH..............97 97 91 82 75 70 66 60 58 60 62 64
HEAT INDEX (F)..75 75 78 89 97 100 103 105 106 105 103 102
20 FT WIND DIR..SW SW W W W W W W W W SW SW
20 FT WIND SPD..7 7 8 9 12 12 12 12 12 12 12 13
20 FT WIND GUST.10 10 13 14 17 17 17 17 17 17 17 20
MIX HGT (KFT)...0.9 1.1 1.6 2.1 2.8 3.5 4.6 5.6 6.0 5.2 3.8 2.5
TRANSP WIND DIR.W W W W W W W W W W W SW
TRANSP WIND SPD.12 13 13 13 13 12 12 12 12 12 12 13
DISPERSION IDX..8 9 25 34 41 47 57 62 56 50 43 34
LVORI...........6 6 4 3 3 1 1 1 1 1 1 2
FORECASTER...DUBOIS
REQUESTED BY...JOHN MCUMBER
TYPE OF REQUEST...PRESCRIBED
.TAG 2615455.0/JAX
.DELDT 06/14/26
.FORMATTERVERSION 2.0.0
.EMAIL JOHNTMC1MBER@UFL.EDU
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page