915  
FNUS72 KTBW 161836  
FWSTBW  
 
SPOT FORECAST FOR OSSP 11B RX V2...FL DEP  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
136 PM EST TUE DEC 16 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1430 EST ON DECEMBER 16.  
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  
 
HIGH PRESSURE WILL HOLD OVER THE REGION FOR THE NEXT COUPLE OF DAYS WITH  
WARM DRY CONDITIONS TODAY AND WEDNESDAY. HIGH TEMPERATURES WILL BE IN  
THE MID TO UPPER 70S EACH DAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........48 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 8 TO 9 MPH.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....EAST 9 TO 10 MPH.  
DISPERSION INDEX....48 DECREASING TO 34 LATE IN THE AFTERNOON.  
LVORI...............1.  
 
TIME (EST) 2PM 3PM 4PM 5PM  
SKY (%).........1 1 3 9  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0  
TEMP............75 75 74 73  
RH..............49 48 50 54  
20 FT WIND DIR..NE NE NE NE  
20 FT WIND SPD..9 9 8 8  
20 FT WIND GUST.14 14 13 14  
MIX HGT (KFT)...4.4 4.5 4.3 1.7  
TRANSP WIND DIR.E E E E  
TRANSP WIND SPD.9 9 10 10  
DISPERSION IDX..46 49 46 34  
LVORI...........1 1 1 1  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 56.  
MAX HUMIDITY........99 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 6 TO 7 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....EAST 9 TO 13 MPH.  
DISPERSION INDEX....18 DECREASING TO 5.  
LVORI...............5.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........11 13 13 13 13 19 25 31 34 36 39 42  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............70 66 64 62 60 59 58 57 57 57 56 56  
RH..............60 69 74 79 85 88 91 98 95 98 98 97  
20 FT WIND DIR..NE NE NE NE NE NE E E E NE NE NE  
20 FT WIND SPD..7 7 7 7 7 7 7 7 7 6 6 7  
20 FT WIND GUST.14 15 16 17 17 16 16 15 14 14 14 13  
MIX HGT (KFT)...0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.NE E NE NE E E NE E E E E E  
TRANSP WIND SPD.10 10 10 13 13 13 13 12 10 10 10 9  
DISPERSION IDX..18 5 2 4 7 6 6 5 5 5 5 6  
LVORI...........2 3 4 4 4 5 6 7 7 7 7 7  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........55 PERCENT.  
WIND (20 FT)........EAST WINDS 6 TO 7 MPH.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....EAST 9 TO 15 MPH.  
DISPERSION INDEX....11 INCREASING TO 19 LATE IN THE MORNING, THEN  
INCREASING TO 32 LATE IN THE MORNING INCREASING  
TO 50 EARLY IN THE AFTERNOON DECREASING TO 42  
DECREASING TO 27 LATE IN THE AFTERNOON.  
LVORI...............4.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........44 47 46 45 44 42 39 37 46 55 64 66  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 56 59 64 69 73 76 78 78 78 77 75  
RH..............96 99 94 84 74 67 60 56 56 55 58 62  
20 FT WIND DIR..NE NE E E E E E E E E E E  
20 FT WIND SPD..7 7 6 6 6 7 7 7 7 7 6 6  
20 FT WIND GUST.14 14 13 13 13 12 12 12 10 10 10 10  
MIX HGT (KFT)...0.4 0.3 0.4 0.6 1.1 2.5 3.3 4.0 3.9 3.5 2.6 1.3  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.10 10 9 12 13 15 13 12 10 10 9 10  
DISPERSION IDX..8 11 12 14 19 32 46 54 51 42 31 22  
LVORI...........7 7 5 4 3 3 2 1 1 1 1 2  
 
 
FORECASTER...OGLESBY  
REQUESTED BY...CHRIS KOSTER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527737.1/TBW  
.DELDT 12/16/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CHRISTOPHER.KOSTER@FLORIDADEP.GOV  
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