885  
FNUS72 KJAX 310235  
FWSJAX  
 
SPOT FORECAST FOR DOUBLE SPIKE...USFS  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
1035 PM EDT THU JUL 30 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2300 EDT ON JULY 30.  
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  
 
LIGHT WEST-SOUTHWEST WINDS OVERNIGHT INCREASE TO AROUND 5 MPH  
FRIDAY AFTERNOON. SHOWERS AND STORMS WILL BE NEAR THE FIRE BETWEEN  
2 PM AND 8 PM. ISOLATED STRONG TO SEVERE STORMS WILL BE POSSIBLE  
CAPABLE OF PRODUCING GUSTY, ERRATIC WINDS, HEAVY DOWNPOURS AND  
FREQUENT LIGHTNING. GOOD TO FAIR DISPERSIONS PREVAIL ON FRIDAY.  
TEMPERATURES WILL RISE TO THE LOW 90S FRIDAY AFTERNOON WITH PEAK  
HEAT INDICES IN THE 100-105 F RANGE.  
   
REST OF TONIGHT  
 
TIME (EDT) 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........33 29 30 42 48 46 43  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 10  
CHC OF THDR (%).10 10 10 10 10 10 10  
TEMP............77 77 76 76 75 74 74  
RH..............94 94 97 94 97 100 100  
HEAT INDEX (F)..77 77 76 76 75 74 74  
20 FT WIND DIR..SW SW W W SW W W  
20 FT WIND SPD..2 2 1 1 1 1 1  
20 FT WIND GUST.10 10 9 8 8 7 7  
MIX HGT (KFT)...0.5 0.5 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.SW SW SW SW SW W W  
TRANSP WIND SPD.8 8 8 7 7 7 7  
DISPERSION IDX..4 4 3 3 3 3 3  
LVORI...........6 6 8 7 8 9 9  
   
FRIDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........37 39 28 18 26 33 41 43 57 63 70 68  
WEATHER COV..... CHC CHC LKY CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ CHC CHC LKY CHC  
CHC OF PCPN (%).10 10 0 0 0 0 10 10 40 50 60 50  
CHC OF THDR (%).10 10 0 0 0 0 10 10 40 50 60 50  
TEMP............74 72 74 78 84 87 90 91 93 93 93 92  
RH..............100 100 100 97 80 72 66 62 56 54 54 56  
HEAT INDEX (F)..74 72 74 78 94 99 103 103 105 103 103 102  
20 FT WIND DIR..SW N W W W SW SW SW SW SW W W  
20 FT WIND SPD..1 0 1 1 1 2 3 3 3 3 3 5  
20 FT WIND GUST.7 7 6 6 6 7 9 10 12 12 13 13  
MIX HGT (KFT)...0.6 0.7 0.8 1.4 2.1 2.7 3.6 4.5 5.5 5.0 4.6 4.2  
TRANSP WIND DIR.W W W W W SW W W W W W W  
TRANSP WIND SPD.7 7 6 6 6 7 7 8 8 8 8 7  
DISPERSION IDX..3 3 6 11 17 24 32 43 54 50 43 37  
LVORI...........9 9 9 6 3 3 2 1 1 1 1 1  
 
 
FORECASTER...CHANEY  
REQUESTED BY...SHAWN KINGHORN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2618713.0/JAX  
.DELDT 07/30/26  
.FORMATTERVERSION 2.0.0  
.EMAIL WESLEY.WOODROME@USDA.GOV,KINGHORN33@GMAIL.COM  
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