294  
FNUS72 KJAX 090442  
FWSJAX  
 
SPOT FORECAST FOR OSBS I-6 RX...UNIVERSITY OF FLORIDA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
1242 AM EDT WED JUL 9 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON JULY 09.  
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  
 
WESTERLY WINDS WILL BE PRESENT THIS MORNING, FAIRLY WEAK CREATING  
LOWER DISPERSION VALUES TODAY. WINDS WILL SHIFT MORE SOUTHWESTERLY  
THIS EVENING. SHOWERS AND THUNDERSTORM CHANCES WILL BE ALL DAY,  
ALTHOUGH THE HIGHEST COVERAGE WILL BE IN THE EARLY AFTERNOON WHERE  
STRONG STORMS CAPABLE OF PRODUCING GUSTY AND ERRATIC WINDS, AS WELL  
AS HEAVY DOWNPOURS WILL BE POSSIBLE. DISPERSION VALUES WILL IMPROVE  
THURSDAY AS WINDS REMAIN FROM THE SW AND INCREASE A BIT. SIMILAR  
STORM COVERAGE IS EXPECTED AGAIN ON THURSDAY.  
   
REST OF TODAY  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........45 49 54 47 55 52 53 61 61 61 63  
WEATHER COV..... SCH SCH SCH CHC CHC LKY LKY LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC LKY LKY LKY LKY  
CHC OF PCPN (%).10 20 10 20 20 30 40 60 70 70 60  
CHC OF THDR (%).10 20 10 20 20 30 40 60 70 70 60  
TEMP............75 77 81 84 86 88 89 89 90 88 88  
RH..............94 94 88 82 77 72 70 70 68 70 70  
HEAT INDEX (F)..75 77 88 95 98 101 103 103 105 100 100  
20 FT WIND DIR..SW SW W W W W W W W W W  
20 FT WIND SPD..2 2 3 3 3 5 5 6 6 6 6  
20 FT WIND GUST.3 3 6 6 6 7 7 9 9 9 9  
MIX HGT (KFT)...0.4 0.6 1.2 1.9 2.7 3.1 3.4 3.6 2.8 1.9 1.1  
TRANSP WIND DIR.W W W W W W W W W W W  
TRANSP WIND SPD.5 5 5 5 5 6 6 6 6 6 6  
DISPERSION IDX..2 4 7 12 16 22 25 28 20 13 7  
LVORI...........7 6 5 4 4 3 3 3 3 3 3  
   
TONIGHT  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........54 52 70 66 66 65 65 66 66 64 62 60  
WEATHER COV.....LKY LKY SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW  
TSTM COV........LKY LKY SCH SCH SCH  
CHC OF PCPN (%).60 60 20 20 20 20 20 20 0 0 0 0  
CHC OF THDR (%).60 60 20 20 20 10 10 10 0 0 0 0  
TEMP............86 85 82 81 80 78 77 77 76 75 74 74  
RH..............72 75 82 85 85 88 90 90 94 94 93 93  
HEAT INDEX (F)..96 95 89 87 85 78 77 77 76 75 74 74  
20 FT WIND DIR..NW NW NW N NE SE S S SW SW SW SW  
20 FT WIND SPD..6 5 3 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.9 7 6 3 3 3 3 3 3 3 3 3  
MIX HGT (KFT)...1.0 0.9 0.8 0.7 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.W W W W SW S S SW SW SW SW SW  
TRANSP WIND SPD.6 7 7 7 7 7 7 7 7 6 6 6  
DISPERSION IDX..8 8 4 3 3 3 3 3 3 3 3 2  
LVORI...........3 3 5 6 6 6 6 6 7 7 7 7  
   
THURSDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........55 48 43 42 42 41 42 43 44 45 45 46  
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 0 20 20 20 20 20 20 60 60 60 60  
CHC OF THDR (%).0 0 0 0 0 20 20 20 60 60 60 60  
TEMP............74 74 76 79 83 86 88 90 91 91 91 90  
RH..............93 97 94 88 82 77 72 68 66 66 64 66  
HEAT INDEX (F)..74 74 76 79 92 98 101 105 106 106 105 103  
20 FT WIND DIR..SW S SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..2 2 2 2 3 6 7 7 7 7 7 7  
20 FT WIND GUST.3 3 3 3 6 9 10 10 10 10 10 10  
MIX HGT (KFT)...0.4 0.5 0.5 1.3 2.0 2.8 3.5 4.2 4.9 4.5 4.0 3.6  
TRANSP WIND DIR.SW SW SW SW SW W SW SW SW SW SW SW  
TRANSP WIND SPD.5 5 5 5 6 6 7 7 7 8 9 10  
DISPERSION IDX..2 2 4 8 15 21 25 34 41 44 46 47  
LVORI...........8 8 6 5 4 3 3 3 1 1 1 1  
 
 
FORECASTER...KLINGLER  
REQUESTED BY...JOHN MCUMBER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2517595.0/JAX  
.DELDT 07/09/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JOHNTMC1MBER@UFL.EDU  
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