420  
FNUS72 KTAE 180724  
FWSTAE  
 
SPOT FORECAST FOR RX FIRE...STATE OF FLORIDA PARK SERVICE  
NATIONAL WEATHER SERVICE TALLAHASSEE FL  
224 AM EST THU DEC 18 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0710 CST ON DECEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (850) 942-8833, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
RAIN AND ISOLATED THUNDERSTORMS WILL OVERSPREAD THE BURN SITE THIS  
MORNING AND PERSIST THROUGH MUCH OF THE AFTERNOON HOURS. WITH  
THICK CLOUD COVER, MIXING HEIGHTS WILL BE LOW, TOPPING OUT AROUND  
1000 FEET THIS AFTERNOON. THIS WILL CREATE LOW DISPERSIONS TODAY.  
A COLD FRONT WILL MOVE ACROSS THE SITE TONIGHT WITH SOUTHERLY  
WINDS TURNING TO NORTHWESTERLY THEN NORTHERLY ON FRIDAY. TRANSPORT  
WINDS INCREASE OVERNIGHT INTO FRIDAY CREATING GOOD DISPERSIONS  
FRIDAY WITH DRY CONDITIONS RETURNING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE MORNING. RAIN  
SHOWERS THROUGH THE DAY. CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
CWR.................80 PERCENT INCREASING TO 100 PERCENT IN THE  
LATE MORNING AND EARLY AFTERNOON, THEN  
DECREASING TO 70 PERCENT LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........93 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 8 TO 12 MPH SHIFTING TO THE  
SOUTH AROUND 8 MPH LATE IN THE AFTERNOON. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......900 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 13 TO 16 MPH.  
LVORI...............5.  
DISPERSION INDEX....18.  
 
TIME (CST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........93 90 90 90 93 93 93 85 85 85  
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC CHC  
CWR.............80 100 100 100 100 100 100 70 70 70  
TEMP............57 59 63 65 66 67 67 67 67 68  
RH..............100 100 97 93 97 93 97 97 100 93  
20 FT WIND DIR..E E E SE SE SE SE SE SE S  
20 FT WIND SPD..8 8 9 10 12 12 12 10 9 8  
20 FT WIND GUST.10 12 13 14 15 15 15 14 13 12  
MIX HGT (KFT)...0.6 0.7 0.7 0.8 0.8 0.9 0.8 0.7 0.7 0.6  
TRANSP WIND DIR.E SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.13 14 15 15 16 16 16 15 14 13  
DISPERSION......15 18 18 18 21 21 21 17 17 17  
LVORI...........5 5 5 5 5 5 5 5 5 5  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE EVENING. CHANCE OF RAIN SHOWERS  
OVERNIGHT.  
CWR.................40 PERCENT DECREASING TO 20 PERCENT LATE IN THE  
EVENING, THEN INCREASING TO 50 PERCENT  
OVERNIGHT DECREASING TO 10 PERCENT AFTER 3 AM.  
MIN TEMPERATURE.....AROUND 51.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 8 MPH SHIFTING TO THE  
NORTHWEST AROUND 9 MPH AFTER 3 AM. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE EVENING.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 13 MPH SHIFTING TO THE WEST 15 TO  
18 MPH LATE IN THE EVENING, THEN SHIFTING TO  
THE NORTHWEST AFTER 3 AM.  
LVORI...............7.  
DISPERSION INDEX....16.  
 
TIME (CST) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM  
SKY (%).........57 57 57 40 40 40 63 63 63 61 61 61  
WEATHER COV.....CHC CHC CHC SCH SCH SCH CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC SCH SCH SCH  
CWR.............40 40 40 20 20 20 50 50 50 10 10 10  
TEMP............67 65 64 65 65 65 64 64 62 61 60 57  
RH..............97 97 100 100 100 97 100 100 100 100 96 93  
20 FT WIND DIR..S S S SW SW SW W W W NW NW NW  
20 FT WIND SPD..8 7 6 6 6 6 7 8 8 8 9 9  
20 FT WIND GUST.10 9 8 8 8 8 9 10 12 12 13 13  
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3  
TRANSP WIND DIR.S S S SW SW SW W W W NW NW NW  
TRANSP WIND SPD.12 10 10 12 13 15 16 18 18 20 20 20  
DISPERSION......13 13 13 12 12 12 16 16 16 19 19 19  
LVORI...........6 7 8 7 7 6 6 5 5 5 5 5  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........NORTH WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......2800 FT AGL.  
TRANSPORT WINDS.....NORTH 13 TO 21 MPH.  
LVORI...............3.  
DISPERSION INDEX....39.  
 
TIME (CST) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........17 17 17 7 7 7 3 3 3 2 2 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 53 51 53 56 58 60 62 63 63 61 59  
RH..............90 83 83 74 66 60 53 48 46 46 50 53  
20 FT WIND DIR..NW N N N N N N N N N N N  
20 FT WIND SPD..9 9 8 8 9 8 8 8 8 8 7 6  
20 FT WIND GUST.13 13 12 12 13 12 12 15 14 14 14 13  
MIX HGT (KFT)...1.3 1.4 1.6 1.8 2.0 2.2 2.3 2.5 2.6 2.7 2.8 2.3  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.21 21 21 20 18 17 15 14 13 13 13 13  
DISPERSION......35 35 35 40 40 40 39 39 39 42 42 42  
LVORI...........4 3 3 3 2 1 1 1 1 1 1 1  
 

 
FORECASTER...SCHOLL  
REQUESTED BY...KYLE BASS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527787.2/TAE  
.DELDT 12/18/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KYLE.BASS@FLORIDADEP.GOV  
 
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