337  
FNUS72 KJAX 061212  
FWSJAX  
 
SPOT FORECAST FOR DIAMOND BACK FIRE...USFS  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
ISSUED BY NATIONAL WEATHER SERVICE TALLAHASSEE FL  
812 AM EDT TUE MAY 6 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON MAY 06.  
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
 
CONTINUED WARM TODAY WITH LIGHT AND VARIABLE WINDS  
GENERALLY 5 MPH OR LESS. DIURNAL HEATING MAY KICK OFF AN ISOLATED  
SHOWER LATE THIS AFTERNOON OR EVENING, OTHERWISE MAINLY DRY THROUGH  
TONIGHT. MUCH HIGHER RAINFALL CHANCES EXPECTED BY WEDNESDAY AFTERNOON.  
   
REST OF TODAY
 
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........56 41 26 36 46 45 46 44 50 62 57  
WEATHER COV..... SCH  
WEATHER TYPE.... RW  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 20  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 10  
TEMP............58 61 66 74 79 82 84 87 88 88 89  
RH..............93 93 84 66 56 49 43 39 36 38 37  
HEAT INDEX (F)..58 61 66 74 79 83 84 86 87 88 88  
WIND CHILL (F)..58 61 66 74 79 82 84 87 88 88 89  
20 FT WIND DIR..N N N NE NE W W W W W W  
20 FT WIND SPD..0 1 1 1 1 2 2 2 2 2 2  
20 FT WIND GUST. 2 2 2 2 3 3 3 3 3 3  
MIX HGT (KFT)...0.4 0.5 0.8 1.3 2.3 3.5 4.5 5.4 5.9 6.1 5.4  
TRANSP WIND DIR.N NE N N NW NW W SW W W W  
TRANSP WIND SPD.5 5 5 5 5 5 5 6 6 7 7  
DISPERSION IDX..2 5 4 8 14 21 29 36 44 49 47  
LVORI...........7 6 5 3 2 2 2 1 1 1 1  
   
TONIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........52 56 40 45 41 37 38 35 35 39 41 47  
WEATHER COV.....SCH SCH  
WEATHER TYPE....RW RW  
TSTM COV........  
CHC OF PCPN (%).20 20 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).10 10 0 0 0 0 0 0 0 0 0 0  
TEMP............87 85 82 77 74 72 71 69 68 68 67 67  
RH..............40 45 53 62 71 79 81 90 93 93 97 93  
HEAT INDEX (F)..87 86 83 77 74 72 71 69 68 68 67 67  
WIND CHILL (F)..87 85 82 77 74 72 71 69 68 68 67 67  
20 FT WIND DIR..W W N E E E N N N N N E  
20 FT WIND SPD..2 1 1 1 1 1 0 0 0 0 0 1  
20 FT WIND GUST.3 2 2 2 2 2 2  
MIX HGT (KFT)...3.7 1.3 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4  
TRANSP WIND DIR.W N N NE E SE SE SE S SE E NE  
TRANSP WIND SPD.7 6 6 6 7 7 7 6 6 6 6 6  
DISPERSION IDX..32 11 3 3 3 3 3 3 2 2 3 3  
LVORI...........1 2 2 3 3 4 5 6 7 7 8 7  
   
WEDNESDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........48 52 49 42 45 44 56 67 79 77 74 72  
WEATHER COV..... SCH SCH SCH CHC CHC CHC 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 30 30 30 60 60 60 60  
CHC OF THDR (%).0 0 0 0 0 30 30 30 20 20 20 20  
TEMP............67 66 67 72 79 84 86 87 87 87 86 85  
RH..............97 100 100 87 72 61 57 53 53 53 53 55  
HEAT INDEX (F)..67 66 67 72 79 88 90 91 91 91 89 88  
WIND CHILL (F)..67 66 67 72 79 84 86 87 87 87 86 85  
20 FT WIND DIR..E E SE SE S S SW W W NW N N  
20 FT WIND SPD..1 1 1 1 1 2 3 5 5 5 3 3  
20 FT WIND GUST.2 2 2 2 2 3 6 7 7 7 6 6  
MIX HGT (KFT)...0.6 0.7 0.9 1.5 2.2 2.8 3.4 4.0 4.6 4.3 3.9 3.6  
TRANSP WIND DIR.E E E SE SW SW W W W W W W  
TRANSP WIND SPD.6 6 6 7 8 9 10 10 10 10 10 10  
DISPERSION IDX..3 3 7 14 23 33 42 51 41 41 46 45  
LVORI...........8 9 8 4 3 1 1 1 1 1 1 1  
 

 
FORECASTER...HESS  
REQUESTED BY...WOODROME  
TYPE OF REQUEST...WILDFIRE  
.TAG 2512724.3/JAX  
.DELDT 05/06/25  
.FORMATTERVERSION 2.0.0  
.EMAIL WESLEY.WOODROME@USDA.GOV,BYRON.HART@USDA.GOV  
 
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