339  
FNUS72 KJAX 071902  
FWSJAX  
 
SPOT FORECAST FOR BLACK BOTTOM DR FIRE...FLORIDA FOREST SERVICE  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
302 PM EDT TUE JUL 7 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 EDT ON JULY 07.  
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 11 AM TO 6 PM EDT WEDNESDAY  
 
   
DISCUSSION  
 
HIGH PRESSURE WILL BE THE PREVAILING WEATHER FEATURE THROUGH MONDAY. LOWER  
THAN NORMAL PRECIPITATION CHANCES FORECAST THROUGH SATURDAY.  
 
HEAT ADVISORY CRITERIA HEAT IS EXPECTED FOR WEDNESDAY AFTERNOON.  
   
REST OF TODAY  
 
TIME (EDT) 3PM 4PM 5PM  
SKY (%).........62 63 66  
WEATHER COV.....CHC CHC CHC  
WEATHER TYPE....RW RW RW  
TSTM COV........CHC CHC CHC  
CHC OF PCPN (%).40 40 30  
CHC OF THDR (%).30 40 20  
TEMP............95 95 94  
RH..............51 51 51  
HEAT INDEX (F)..106 106 103  
WIND CHILL (F)..106 106 103  
20 FT WIND DIR..W W SW  
20 FT WIND SPD..9 9 9  
20 FT WIND GUST.14 14 14  
MIX HGT (KFT)...5.1 4.9 4.8  
TRANSP WIND DIR.W W W  
TRANSP WIND SPD.10 10 10  
DISPERSION IDX..61 58 56  
LVORI...........1 1 1  
   
TONIGHT  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........66 63 64 60 58 58 53 52 47 47 45 47  
WEATHER COV.....SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW  
TSTM COV........SCH SCH SCH SCH  
CHC OF PCPN (%).20 20 20 20 10 10 10 10 10 0 0 0  
CHC OF THDR (%).20 20 10 10 10 0 0 0 0 0 0 0  
TEMP............93 91 87 84 82 81 79 78 77 77 76 75  
RH..............54 58 65 72 77 79 88 88 94 94 94 97  
HEAT INDEX (F)..103 101 95 91 88 86 79 78 77 77 76 75  
WIND CHILL (F)..103 101 95 91 88 86 79 78 77 77 76 75  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..9 8 7 6 5 3 3 3 3 3 3 2  
20 FT WIND GUST.14 13 10 9 7 6 6 6 6 6 6 3  
MIX HGT (KFT)...3.5 2.3 1.0 0.9 0.7 0.5 0.5 0.5 0.5 0.5 0.4 0.4  
TRANSP WIND DIR.SW SW SW SW SW SW SW W W W W W  
TRANSP WIND SPD.9 9 9 9 9 9 9 9 9 8 8 7  
DISPERSION IDX..41 26 7 6 5 5 4 4 4 4 4 3  
LVORI...........1 2 3 3 4 4 5 6 6 6 6 8  
   
WEDNESDAY  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........45 37 35 13 8 3 13 11 4 5 16 20  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 10 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 10 10  
TEMP............75 75 78 82 86 89 92 94 95 96 97 96  
RH..............100 100 94 88 75 68 60 54 51 49 48 48  
HEAT INDEX (F)..75 75 78 91 97 102 105 106 106 107 109 106  
WIND CHILL (F)..75 75 78 91 97 102 105 106 106 107 109 106  
20 FT WIND DIR..SW SW SW W W W W W W SW SW SW  
20 FT WIND SPD..2 2 3 3 5 6 7 7 7 7 7 7  
20 FT WIND GUST.3 3 6 8 9 12 13 14 15 15 15 15  
MIX HGT (KFT)...0.5 0.7 0.8 1.8 2.9 4.0 4.5 5.1 5.7 5.7 5.7 5.8  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.7 8 8 8 9 9 9 9 9 10 10 10  
DISPERSION IDX..3 3 8 19 33 44 49 54 60 65 67 68  
LVORI...........9 9 6 4 3 1 1 1 1 1 1 1  
 
 
FORECASTER...STRUBLE  
REQUESTED BY...DUTY OFFICER PAULK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2616926.0/JAX  
.DELDT 07/07/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIN.PAULK@FDACS.GOV  
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