769  
FNUS72 KJAX 171149  
FWSJAX  
 
SPOT FORECAST FOR CPT 28...USFS  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
749 AM EDT TUE JUL 17 2018  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON JULY 17.  
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
 
 
WET DAY TODAY WITH AN EARLY START TO SHOWERS AND THUNDERSTORMS  
MOVING IN FROM THE GULF COAST NEAR THE BURN SITE BY THE MID TO  
LATE MORNING HOURS. BEST CHANCE OF CONVECTION WILL BE BETWEEN 11  
AM AND 3 PM. PREVAILING FLOW WILL BE SW TODAY. RAIN CHANCES TAPER  
OFF IN THE MID TO LATE AFTERNOON, WITH CHANCES OF SHOWERS AND AN  
ISOLATED STORM POSSIBLE LATE TONIGHT BEFORE DAYBREAK ON WEDNESDAY.  
GUSTY AND ERRATIC OUTFLOW WINDS WILL OCCUR FROM NEARBY  
THUNDERSTORMS.  
   
REST OF TODAY
 
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........75 79 80 82 88 97 100 100 100 100  
WEATHER COV..... SCH CHC CHC LKY LKY LKY CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH CHC CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).10 20 40 50 60 70 60 50 40 40  
LAL.............2 2 3 3 4 4 4 3 2 2  
TEMP............78 80 82 85 85 86 86 86 85 84  
RH..............89 84 79 72 72 72 70 68 70 72  
20 FT WIND DIR..SW SW SW SW W SW SW SW SW SW  
20 FT WIND SPD..3 5 5 6 6 6 6 7 7 6  
20 FT WIND GUST.5 7 7 8 8 8 8 10 10 8  
MIX HGT (KFT)...0.3 0.9 1.6 2.3 2.5 2.7 2.9 2.5 2.0 1.6  
TRANSP WIND DIR.S SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.1 3 7 10 15 18 21 21 18 15  
DISPERSION IDX..1 4 11 21 31 42 58 52 41 31  
LVORI...........10 7 4 3 3 3 1 1 2 3  
   
TONIGHT
 
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........100 100 100 97 94 92 90 85 81 78 75 72  
WEATHER COV.....CHC CHC SCH SCH SCH CHC  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........CHC CHC SCH SCH  
CHC OF PCPN (%).30 30 20 20 10 10 10 0 0 10 20 30  
LAL.............2 2 2 2 2 2 1 1 2 2 2 2  
TEMP............83 82 80 79 78 77 77 76 76 75 75 74  
RH..............74 79 82 88 91 94 90 94 94 97 97 100  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..6 6 6 5 5 3 2 2 1 1 1 1  
20 FT WIND GUST.8 8 8 7 7 6 2  
MIX HGT (KFT)...1.2 0.7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.13 9 7 6 5 5 3 2 1 1 1 2  
DISPERSION IDX..18 7 6 4 3 2 1 1 1 0 1 1  
LVORI...........3 4 4 6 6 6 7 8 8 9 9 10  
   
WEDNESDAY
 
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........72 72 78 78 78 78 78 78 80 80 80 80  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
CHC OF PCPN (%).30 30 50 50 50 50 50 50 60 60 60 60  
LAL.............2 3 3 3 3 3 3 3 4 4 4 4  
TEMP............74 74 76 80 84 87 89 90 91 91 90 88  
RH..............100 100 97 85 77 70 64 62 58 58 62 66  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..1 1 3 5 6 7 8 8 8 8 8 8  
20 FT WIND GUST. 2 5 7 8 10 11 11 11 13 13 13  
MIX HGT (KFT)...0.3 0.3 0.3 1.1 2.0 2.8 3.2 3.5 3.9 3.5 3.0 2.6  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.2 3 5 8 12 14 15 15 15 16 18 18  
DISPERSION IDX..1 1 4 10 20 31 36 38 41 42 43 41  
LVORI...........10 10 7 4 3 3 2 1 1 1 1 1  
 

 
FORECASTER...KENNEDY  
REQUESTED BY...SHAWN KINGHORN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1812950.0/JAX  
.DELDT 07/17/18  
.EMAIL SKINGHORN@FS.FED.US  
 
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