634
FNUS72 KJAX 290513
FWSJAX
SPOT FORECAST FOR HICKORY SINK 07.29.26...UNIVERSITY OF FLORIDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
113 AM EDT WED JUL 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON JULY 29.
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
HOT AND HUMID CONDITIONS EXPECTED ONCE AGAIN TODAY, WITH NUMEROUS
SHOWERS AND THUNDERSTORMS ALSO EXPECTED BY THE LATE AFTERNOON AND
EVENING HOURS AS A FRONT DROPS SOUTHWARD. A FEW STORMS MAY BE STRONG
TO SEVERE, WITH GUSTS UP TO 40-60 MPH POSSIBLE IN THESE STORMS. AN
EXTREME HEAT WARNING IS IN EFFECT TODAY, AS HEAT INDICES PEAK OVER
110F BY ABOUT MID AFTERNOON. FLOW IS EXPECTED TO REMAIN GENERALLY
OUT OF THE SOUTHWEST THROUGHOUT THE DAY, WHICH WILL BE BREEZY IN THE
15 MPH RANGE WITH HIGHER GUSTS THIS BREEZY FLOW WILL ALSO HELP PEAK
DISPERSIONS IN THE GOOD RANGE. SOME SHOWERS AND T'STORMS MAY
LINGER INTO AT LEAST THE FIRST HALF OF TONIGHT.
NOT AS HOT ON THURSDAY, BUT STILL NEAR HEAT ADVISORY CRITERIA AS
NUMEROUS SHOWERS AND STORMS WILL BE EXPECTED ONCE AGAIN. CHANCES FOR
SEVERE STORMS IS OVERALL LOWER, THOUGH AN ISOLATED SEVERE STORM WILL
BE POSSIBLE. SLIGHTLY LOWER SOUTHWEST FLOW AND MIXING THANKS TO THE
CLOUD COVER AND NUMEROUS SHOWERS AND STORMS WILL DROP DISPERSION
VALUES SLIGHTLY.
TODAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41 44 30 39 36 31 39 45 48 61 73 61
WEATHER COV..... SCH SCH SCH CHC SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC SCH SCH
CHC OF PCPN (%).0 0 0 0 0 10 20 20 30 30 20 10
CHC OF THDR (%).0 0 0 0 0 10 20 20 20 30 20 20
TEMP............79 78 79 83 88 91 92 93 94 95 93 93
RH..............88 91 94 85 75 68 64 62 60 56 60 60
HEAT INDEX (F)..79 78 79 93 103 108 107 109 110 111 108 107
20 FT WIND DIR..SW SW W W W W W W SW SW SW SW
20 FT WIND SPD..3 3 8 10 12 12 13 13 14 15 16 16
20 FT WIND GUST.6 6 15 16 16 16 17 18 20 21 21 22
MIX HGT (KFT)...0.7 1.0 1.3 1.9 2.6 3.3 3.7 4.1 4.5 4.1 3.6 3.1
TRANSP WIND DIR.W W W W W W W W W W SW SW
TRANSP WIND SPD.10 10 12 13 13 14 14 14 14 15 16 16
DISPERSION IDX..5 5 19 31 40 48 50 52 55 56 56 39
LVORI...........5 6 4 4 3 3 1 1 1 1 1 1
TONIGHT
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........60 66 73 81 81 80 78 68 73 57 57 57
WEATHER COV.....CHC CHC SCH SCH CHC SCH CHC SCH SCH CHC CHC SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC SCH SCH CHC SCH SCH SCH SCH
CHC OF PCPN (%).10 20 30 30 30 20 10 10 20 20 30 70
CHC OF THDR (%).30 30 20 20 30 20 20 20 10 10 10 20
TEMP............91 88 86 84 83 82 82 81 81 81 80 79
RH..............64 70 77 82 85 85 85 88 85 82 85 88
HEAT INDEX (F)..105 100 98 95 93 90 90 88 87 87 85 79
20 FT WIND DIR..SW SW W SW SW SW W SW SW W W W
20 FT WIND SPD..16 15 13 12 10 9 10 10 10 9 9 9
20 FT WIND GUST.22 21 20 18 18 17 17 17 17 17 18 18
MIX HGT (KFT)...2.8 2.4 2.1 1.8 1.5 1.2 0.9 0.7 0.5 0.5 0.5 0.4
TRANSP WIND DIR.SW W W W W W W W W W W W
TRANSP WIND SPD.16 16 15 14 13 12 12 12 12 12 10 10
DISPERSION IDX..36 33 18 15 13 10 10 10 10 10 9 9
LVORI...........3 3 3 4 4 4 4 4 4 4 4 5
THURSDAY
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........61 65 69 69 69 69 69 69 85 85 85 85
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH CHC CHC CHC DEF DEF DEF DEF
CHC OF PCPN (%).40 50 50 50 50 50 50 50 80 80 80 80
CHC OF THDR (%).20 20 20 20 20 50 50 50 80 80 80 80
TEMP............79 78 77 80 82 85 86 87 89 91 89 87
RH..............88 91 97 94 91 82 80 77 75 72 72 75
HEAT INDEX (F)..79 78 77 87 92 98 100 101 103 104 102 100
20 FT WIND DIR..W W W W W W W SW SW SW SW SW
20 FT WIND SPD..9 9 9 10 10 12 12 13 13 14 14 14
20 FT WIND GUST.17 17 16 17 17 16 17 18 20 20 20 20
MIX HGT (KFT)...0.7 0.9 1.1 1.4 1.7 2.0 2.6 3.2 3.9 3.5 3.1 2.8
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.9 10 10 12 14 15 15 15 15 15 14 14
DISPERSION IDX..9 9 14 21 28 34 34 37 40 37 34 31
LVORI...........5 5 5 4 4 3 3 3 3 3 3 3
FORECASTER...DUBOIS
REQUESTED BY...CULLY LORD
TYPE OF REQUEST...PRESCRIBED
.TAG 2618518.0/JAX
.DELDT 07/29/26
.FORMATTERVERSION 2.0.0
.EMAIL CULLY@UFL.EDU
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