806  
FNUS72 KTBW 241308  
FWSTBW  
 
SPOT FORECAST FOR CI13...FL FOREST SERVICE  
NATIONAL WEATHER SERVICE RUSKIN FL  
908 AM EDT THU SEP 24 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON SEPTEMBER 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (813) 645-2323 IF YOU HAVE QUESTIONS OR  
CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
RELATIVELY DRY CONDITIONS EXPECTED TO ARRIVE AT THE SITE IN A FEW  
HOURS AS HIGH PRESSURE CONTINUES TO BUILD OVER THE AREA TODAY.  
LIGHT SOUTHEASTERLY WINDS WILL PREVAIL THROUGH THE PERIOD. THE  
DRY AIRMASS OVER THE STATE WILL LIMIT THE AMOUNT OF RAINFALL, BUT  
THE HIGHEST CHANCE WILL BE IN THE AFTERNOON AND INTO THE EVENING.  
MOISTURE WILL BEGIN TO INCREASE FROM SOUTH TO NORTH GOING INTO  
FRIDAY, AS HIGH PRESSURE MOVES EAST OF US. THEREFORE, SHOWERS AND  
THUNDERSTORMS WILL BE MORE LIKELY TO OCCUR ON FRIDAY AFTERNOON.  
   
TODAY
 
 
TIME (EDT) 10 AM NOON 2 PM 4 PM  
SKY (%).........47 45 42 46  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 10 10  
LAL.............1 1 1 1  
TEMP............79 84 88 88  
RH..............81 65 54 53  
20 FT WIND......SE 7 SE 8 SE 8 S 7  
20 FT WIND GUST.13 11 10 10  
MIX HGT (FT)....2800 4500 5400 5100  
TRANSPORT WIND..SE 13 SE 13 S 12 S 10  
DISPERSION IDX..40 63 70 67  
LVORI...........3 1 1 1  
   
TONIGHT
 
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........49 53 52 52 51 53  
WEATHER COV..... ISOLTD ISOLTD  
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR  
TSTM COV........ ISOLTD ISOLTD  
CHC OF PCPN (%).10 10 10 10 20 20  
LAL.............1 1 1 1 2 2  
TEMP............84 79 76 75 75 74  
RH..............62 76 86 87 92 94  
20 FT WIND......S 6 S 3 SE 3 SE 3 SE 3 SE 3  
20 FT WIND GUST.8 4 6 8 10 10  
MIX HGT (FT)....3500 400 500 500 400 300  
TRANSPORT WIND..S 8 SE 6 SE 10 SE 13 SE 10 SE 9  
DISPERSION IDX..40 3 2 7 6 4  
LVORI...........1 4 5 5 6 6  
   
FRIDAY
 
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........54 56 60 64 68 65  
WEATHER COV.....ISOLTD SCTTRD SCTTRD SCTTRD NUMRUS NUMRUS  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ISOLTD SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD  
CHC OF PCPN (%).20 30 30 30 60 60  
LAL.............2 3 3 3 3 3  
TEMP............73 73 81 86 90 86  
RH..............96 98 86 75 63 73  
20 FT WIND......E 3 E 3 SE 5 SE 6 S 7 S 7  
20 FT WIND GUST.8 8 12 10 10 10  
MIX HGT (FT)....300 300 2000 3200 3900 3200  
TRANSPORT WIND..SE 8 SE 8 S 12 S 13 S 10 S 12  
DISPERSION IDX..3 9 34 50 49 46  
LVORI...........8 7 4 3 1 3  
 

 
FORECASTER...DELERME  
REQUESTED BY...BRAD WELLER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2012946.0/TBW  
.DELDT 09/24/20  
.FORMATTERVERSION 1.0.26  
.EMAIL BRADLEY.WELLER@FDACS.GOV  
 
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