092  
FNUS72 KJAX 120521  
FWSJAX  
 
SPOT FORECAST FOR CARY STATE FOREST RX...FLORIDA FOREST SERVICE  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
121 AM EDT WED AUG 12 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON AUGUST 12.  
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.  
 
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS  
EVENING...  
   
DISCUSSION
 
 
WARM TEMPERATURES CONTINUE THROUGH MIDWEEK AS DAYTIME HIGHS ARE  
EXPECTED TO RISE TO THE MID 90S WITH HEAT INDEX VALUES NEARING  
108F EACH AFTERNOON. THOUGH SCATTERED SHOWERS AND CLOUD COVER  
DURING THE AFTERNOON HOURS MAY BE ENOUGH TO KEEP TEMPERATURES FROM  
RISING MUCH. OTHERWISE, WEST WINDS WILL PERSISTS WITH GUSTS UP TO  
15 MPH AS THE GULF BREEZE PUSHES INLAND DURING THE AFTERNOON  
HOURS WITH FAIR TO GOOD DISPERSIONS EXPECTED.  
 
   
REST OF TODAY
 
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 20 24 25 39 60 62 59 72  
WEATHER COV..... SCH CHC CHC CHC LKY  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH CHC CHC CHC LKY  
CHC OF PCPN (%).10 0 10 10 20 40 40 40 60  
CHC OF THDR (%).10 0 10 10 20 40 40 40 60  
TEMP............80 84 87 90 92 93 93 94 92  
RH..............91 82 72 66 60 58 56 54 56  
HEAT INDEX (F)..87 95 99 103 105 106 105 106 102  
WIND CHILL (F)..87 95 99 103 105 106 105 106 102  
20 FT WIND DIR..W W W W W W W W W  
20 FT WIND SPD..6 6 7 8 8 9 9 8 8  
20 FT WIND GUST.12 12 13 14 14 14 14 13 13  
MIX HGT (KFT)...1.5 2.2 2.9 3.5 4.2 4.8 4.2 3.6 3.0  
TRANSP WIND DIR.W W W W W W W W W  
TRANSP WIND SPD.10 10 12 12 13 12 12 10 9  
DISPERSION IDX..19 30 41 49 58 64 57 45 35  
LVORI...........4 3 2 1 1 1 1 1 1  
   
TONIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........70 72 74 68 62 56 47 39 30 22 28 27  
WEATHER COV.....LKY CHC CHC SCH  
WEATHER TYPE....RW RW RW RW  
TSTM COV........LKY CHC CHC SCH  
CHC OF PCPN (%).60 50 30 20 10 10 0 0 0 10 10 10  
CHC OF THDR (%).60 50 30 20 10 10 0 0 0 10 10 0  
TEMP............90 87 83 82 81 80 79 78 77 77 76 76  
RH..............60 65 74 79 82 82 88 91 94 90 94 94  
HEAT INDEX (F)..99 95 90 89 87 84 79 78 77 77 76 76  
WIND CHILL (F)..99 95 90 89 87 84 79 78 77 77 76 76  
20 FT WIND DIR..W W SW SW W SW W SW W W W W  
20 FT WIND SPD..7 6 6 5 5 5 5 3 5 3 3 5  
20 FT WIND GUST.12 9 8 8 9 10 10 10 10 10 10 12  
MIX HGT (KFT)...2.2 1.4 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.9 8 8 7 7 7 7 8 8 8 8 8  
DISPERSION IDX..25 15 5 5 4 5 5 4 4 4 4 4  
LVORI...........2 2 3 4 4 5 5 6 6 6 7 7  
   
THURSDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........36 26 35 28 20 18 19 33 51 54 50 61  
WEATHER COV..... CHC SCH CHC  
WEATHER TYPE.... RW RW RW  
TSTM COV........ CHC SCH CHC  
CHC OF PCPN (%).0 0 0 10 0 0 0 0 10 30 20 40  
CHC OF THDR (%).0 0 0 10 0 0 0 0 10 30 20 40  
TEMP............76 75 77 79 84 87 90 92 94 94 95 94  
RH..............94 97 97 94 82 75 68 62 56 54 53 54  
HEAT INDEX (F)..76 75 77 79 95 100 105 106 107 106 107 106  
WIND CHILL (F)..76 75 77 79 95 100 105 106 107 106 107 106  
20 FT WIND DIR..W W W W W W W W W W W SW  
20 FT WIND SPD..5 3 5 5 5 5 5 6 6 5 5 5  
20 FT WIND GUST.10 10 10 10 9 9 10 10 10 10 9 9  
MIX HGT (KFT)...0.6 0.7 0.8 1.6 2.3 3.0 4.1 5.1 6.2 5.4 4.7 4.0  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.9 9 9 9 9 9 9 8 8 8 9 9  
DISPERSION IDX..4 4 10 19 28 36 48 53 60 54 51 39  
LVORI...........7 8 6 4 3 3 1 1 1 1 1 1  
 

 
FORECASTER...CRUZ  
REQUESTED BY...KYLE LANGLAND  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2619439.0/JAX  
.DELDT 08/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KYLE.LANGLAND@FDACS.GOV  
 
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