442  
FNUS72 KMFL 191313  
FWSMFL  
 
SPOT FORECAST FOR BRIGHTON RX...SEMINOLE TRIBE OF FLORIDA  
NATIONAL WEATHER SERVICE MIAMI FL  
813 AM EST FRI DEC 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON DECEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (305) 229-4522, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
WESTERLY WINDS LATER THIS MORNING BECOMING NORTHWESTERLY  
THIS AFTERNOON. WIND GUSTS THIS AFTERNOON AROUND 15 MPH. MAX DISPERSIONS  
WILL BE FAIR TO GENERALLY GOOD TODAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 84.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....WEST 9 TO 15 MPH.  
DISPERSION INDEX....23 INCREASING TO 47 LATE IN THE MORNING, THEN  
INCREASING TO 55 EARLY IN THE AFTERNOON  
DECREASING TO 46 LATE IN THE AFTERNOON  
DECREASING TO 36 DECREASING TO 25 LATE IN THE  
AFTERNOON.  
LVORI...............3.  
 
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........66 68 47 41 34 45 43 34 34  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10  
TEMP............74 77 80 82 82 84 83 82 80  
RH..............93 85 74 65 63 57 59 58 65  
20 FT WIND DIR..W W W W W W W NW NW  
20 FT WIND SPD..5 6 7 7 7 7 6 6 5  
20 FT WIND GUST.12 13 13 13 14 13 13 13 12  
MIX HGT (KFT)...1.1 1.6 2.2 2.8 3.2 3.4 3.3 3.0 2.2  
TRANSP WIND DIR.W W W W W W NW NW NW  
TRANSP WIND SPD.14 15 15 15 15 14 12 10 9  
DISPERSION IDX..19 26 42 51 56 53 46 36 25  
LVORI...........5 4 3 2 1 1 1 1 2  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 56.  
MAX HUMIDITY........87 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT, THEN BECOMING NORTH  
AROUND 5 MPH OVERNIGHT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTH 9 TO 13 MPH.  
DISPERSION INDEX....14 DECREASING TO 6.  
LVORI...............4.  
 
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........43 29 26 23 20 22 16 21 33 24 20 24  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 0 0 0 0 0 0 0 0 0 0 0  
TEMP............75 73 70 69 67 65 64 62 60 59 58 58  
RH..............74 76 84 81 84 87 81 87 87 83 83 80  
20 FT WIND DIR..NW NW NW NW NW NW N N N N N N  
20 FT WIND SPD..5 3 3 3 3 3 3 3 5 5 5 5  
20 FT WIND GUST.12 10 10 10 12 12 13 13 13 13 13 12  
MIX HGT (KFT)...1.2 0.5 0.2 0.3 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.4  
TRANSP WIND DIR.NW NW NW N N N N N N N N N  
TRANSP WIND SPD.9 9 9 10 10 12 13 13 13 12 12 12  
DISPERSION IDX..14 4 4 5 6 6 6 7 6 6 6 6  
LVORI...........3 4 5 4 5 5 5 5 4 4 5 4  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 5 MPH SHIFTING TO THE EAST  
EARLY IN THE AFTERNOON, THEN BECOMING LIGHT  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 12 TO 13 MPH SHIFTING TO THE EAST 8  
TO 9 MPH IN THE AFTERNOON.  
DISPERSION INDEX....10 INCREASING TO 25 LATE IN THE MORNING, THEN  
INCREASING TO 36 LATE IN THE MORNING DECREASING  
TO 26 LATE IN THE AFTERNOON.  
LVORI...............3.  
 
TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........19 11 10 14 18 22  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............57 58 71 77 80 80  
RH..............83 87 68 67 62 60  
20 FT WIND DIR..N N NE E E E  
20 FT WIND SPD..5 5 5 5 3 3  
20 FT WIND GUST.12 12 10 9 9 8  
MIX HGT (FT)....300 700 1900 3500 4000 2900  
TRANSPORT WIND..N 13 N 13 NE 13 E 9 E 8 E 9  
DISPERSION IDX..7 13 29 38 37 33  
LVORI...........4 4 3 2 2 2  
 
 
FORECASTER...FISHER  
REQUESTED BY...MIKE LIGHTSEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527952.0/MFL  
.DELDT 12/19/25  
.FORMATTERVERSION 2.0.0  
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