212  
FNUS72 KJAX 230451  
FWSJAX  
 
SPOT FORECAST FOR OSBS C-10B RX...UNIVERSITY OF FLORIDA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
1251 AM EDT TUE JUN 23 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON JUNE 23.  
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
 
 
WINDS WILL BE CONSISTENTLY OUT OF THE WEST THROUGH THE FORECAST  
PERIOD WITH CHANCES FOR SHOWERS AND STORMS SHOWING AN UPTICK IN  
THE LATE AFTERNOON AND EARLY EVENING HOURS TODAY, WITH A HIGHER  
LIKELIHOOD FOR CONVECTION TO DEVELOP AGAIN IN THE AFTERNOON HOURS  
ON WEDNESDAY.  
   
REST OF TODAY
 
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........32 32 22 21 16 7 23 24 22 19 30  
WEATHER COV..... SCH  
WEATHER TYPE.... RW  
TSTM COV........ SCH  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 10 10  
TEMP............76 79 83 86 89 91 93 94 95 96 94  
RH..............94 91 82 77 70 64 58 54 53 49 53  
HEAT INDEX (F)..76 79 92 98 103 105 106 106 107 107 105  
20 FT WIND DIR..W W W W W W W W W W W  
20 FT WIND SPD..5 5 7 8 8 9 10 10 10 12 12  
20 FT WIND GUST.10 12 14 14 15 17 18 20 20 20 20  
MIX HGT (KFT)...0.9 1.1 2.0 2.8 3.7 4.3 4.8 5.4 5.3 5.2 5.2  
TRANSP WIND DIR.W W W W W W W W W W W  
TRANSP WIND SPD.12 12 14 15 16 17 17 16 17 17 16  
DISPERSION IDX..5 16 34 53 72 85 94 96 92 81 72  
LVORI...........6 5 4 3 1 1 1 1 1 1 1  
   
TONIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........32 28 25 28 25 45 48 45 44 51 51 25  
WEATHER COV.....SCH SCH SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........SCH SCH SCH  
CHC OF PCPN (%).10 10 30 20 10 10 0 0 10 10 0 0  
CHC OF THDR (%).10 10 10 10 0 0 0 0 0 10 0 0  
TEMP............92 90 87 83 82 81 79 79 78 78 77 76  
RH..............56 60 65 74 77 79 85 85 88 85 87 90  
HEAT INDEX (F)..102 99 95 90 88 86 79 79 78 78 77 76  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..12 10 9 8 7 7 7 6 5 5 3 3  
20 FT WIND GUST.20 18 16 16 16 15 15 14 14 12 12 10  
MIX HGT (KFT)...3.8 2.4 1.0 0.9 0.8 0.7 0.7 0.6 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.15 14 13 12 12 12 10 10 9 9 8 8  
DISPERSION IDX..56 40 8 7 6 7 7 7 6 6 5 4  
LVORI...........1 1 3 3 4 4 4 4 5 5 6 6  
   
WEDNESDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........52 45 32 25 24 22 34 45 57 57 57 57  
WEATHER COV..... CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC  
CHC OF PCPN (%).10 0 10 10 10 10 10 10 40 40 40 40  
CHC OF THDR (%).0 10 10 10 10 10 10 10 40 40 40 40  
TEMP............76 76 79 82 86 88 91 93 94 95 95 94  
RH..............90 90 88 82 75 70 64 58 54 51 51 53  
HEAT INDEX (F)..76 76 79 89 97 100 105 106 106 106 106 105  
20 FT WIND DIR..W W W NW W W W W W W NW NW  
20 FT WIND SPD..3 3 3 3 3 5 5 6 6 6 7 7  
20 FT WIND GUST.9 9 9 8 6 7 7 9 9 9 10 10  
MIX HGT (KFT)...0.7 0.9 1.0 1.9 2.7 3.5 4.2 5.0 5.7 5.8 5.9 6.0  
TRANSP WIND DIR.W NW NW NW NW W W W W W W W  
TRANSP WIND SPD.8 8 8 8 9 9 9 9 9 9 9 9  
DISPERSION IDX..4 4 10 20 31 42 50 57 64 64 62 62  
LVORI...........6 6 5 3 3 1 1 1 1 1 1 1  
 

 
FORECASTER...CORLESS  
REQUESTED BY...JOHN MCUMBER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2616016.0/JAX  
.DELDT 06/23/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JOHNTMC1MBER@UFL.EDU  
 
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