773  
FNUS72 KMFL 060954  
FWSMFL  
 
SPOT FORECAST FOR SPIRIT OF THE WILD...FWC  
NATIONAL WEATHER SERVICE MIAMI FL  
554 AM EDT THU MAY 6 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MAY 06.  
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
 
 
A FRONTAL BOUNDARY WILL BE APPROACHING THE AREA FROM THE NORTH  
TODAY ALLOWING FOR A WESTERLY FLOW OVER THE BURN SITE TODAY.  
SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE OVER  
THE BURN SITE MAINLY LATE THIS MORNING INTO THE EARLY AFTERNOON  
HOURS BEFORE MOVING EAST OF THE BURN SITE LATE THIS AFTERNOON.  
THE RELATIVE HUMIDITY SHOULD FALL DOWN INTO THE MID TO UPPER 40S  
THIS AFTERNOON AS THE DISPERSION READINGS GET UP TO AROUND 70. AT  
THIS TIME, FOG DEVELOPMENT IS NOT EXPECTED OVER THE BURN SITE  
TONIGHT.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY BECOMING PARTLY CLOUDY IN THE AFTERNOON  
(40-50 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS EARLY IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE AFTERNOON.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................NO TSTMS UNTIL 1300, THEN 1-8 STRIKES UNTIL  
1400, THEN 16-25 STRIKES.  
MIXING HEIGHT.......400-1600 FT AGL INCREASING TO 4700-6300 FT AGL.  
TRANSPORT WINDS.....WEST 2 TO 9 MPH INCREASING TO 12 TO 16 MPH  
EARLY IN THE AFTERNOON.  
DISPERSION INDEX....6 INCREASING TO 18 LATE IN THE MORNING, THEN  
INCREASING TO 32 EARLY IN THE AFTERNOON  
INCREASING TO 52 EARLY IN THE AFTERNOON  
INCREASING TO 68 DECREASING TO 51 LATE IN THE  
AFTERNOON.  
LVORI...............6.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 45 39 37 33 35 46 49 55 51 57  
WEATHER COV..... SCH CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........ SCH CHC CHC CHC CHC  
TEMP............72 71 77 82 86 89 92 93 93 93 92  
RH..............100 100 94 82 68 59 52 49 49 47 49  
20 FT WIND DIR..SW W W SW SW SW SW W W W W  
20 FT WIND DIR..240 260 250 220 220 230 240 250 250 250 260  
20 FT WIND SPD..1 1 2 3 3 5 5 7 8 8 8  
20 FT WIND GUST. 5 5 6 6 8 10 11 11  
MIX HGT (KFT)...0.4 0.5 1.6 2.7 3.8 4.7 5.5 6.3 6.0 5.7 5.3  
TRANSP WIND DIR.W W W SW SW SW W W W W W  
TRANSP WIND SPD.2 2 2 2 3 6 9 12 14 15 16  
DISPERSION IDX..1 2 5 10 18 32 52 71 68 65 51  
LVORI...........10 9 6 4 3 1 1 1 1 1 1  
CHC OF PCPN (%).10 10 10 10 10 20 40 50 50 50 50  
LAL.............1 1 1 1 1 1 2 4 4 4 4  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE EVENING.  
MIN TEMPERATURE.....AROUND 70.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........WEST WINDS 5 TO 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................16-25 STRIKES UNTIL 2000, THEN 1-8 STRIKES  
UNTIL 2100, THEN NO TSTMS.  
MIXING HEIGHT.......2800-4100 FT AGL DECREASING TO 700-1500 FT AGL  
EARLY IN THE EVENING.  
TRANSPORT WINDS.....WEST 9 TO 17 MPH SHIFTING TO THE NORTHWEST 5 TO  
7 MPH LATE IN THE EVENING.  
DISPERSION INDEX....61 DECREASING TO 3.  
LVORI...............5.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 50 51 49 44 26 38 28 29 33 38 43  
WEATHER COV.....CHC CHC SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........CHC CHC SCH  
TEMP............90 87 85 81 78 75 74 73 73 72 71 71  
RH..............52 59 63 74 79 87 90 93 93 97 97 97  
20 FT WIND DIR..W W W W W SW W W W W W W  
20 FT WIND DIR..260 270 280 270 260 240 260 270 280 280 290 290  
20 FT WIND SPD..8 8 7 5 3 3 3 3 2 3 3 3  
20 FT WIND GUST.11 11 8 6 5 5 4 4 4 4 4  
MIX HGT (KFT)...4.1 2.8 1.5 1.3 1.0 0.7 0.8 0.8 0.9 0.9 0.9 0.8  
TRANSP WIND DIR.W W W W W W W W W W W NW  
TRANSP WIND SPD.17 17 16 13 9 7 6 6 6 5 5 6  
DISPERSION IDX..61 50 14 8 5 3 2 2 2 2 2 3  
LVORI...........1 1 3 3 4 6 7 7 7 8 8 8  
CHC OF PCPN (%).50 50 20 10 10 10 10 10 10 10 10 10  
LAL.............4 4 2 1 1 1 1 1 1 1 1 1  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF  
SHOWERS EARLY IN THE MORNING.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 6 TO 10 MPH  
EARLY IN THE MORNING.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................NO TSTMS.  
MIXING HEIGHT.......1000-2300 FT AGL INCREASING TO 5600-7300 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 7 TO 16 MPH.  
DISPERSION INDEX....4 INCREASING TO 72.  
LVORI...............5.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........40 40 49 37 42 46  
WEATHER COV..... S CHC S CHC S CHC  
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR NONE NONE  
TSTM COV........  
TEMP............70 72 79 85 88 91  
RH..............97 93 77 55 43 34  
20 FT WIND DIR..NW NW NW NW NW NW  
20 FT WIND DIR..300 310 330 310 300 300  
20 FT WIND SPD..3 6 9 10 10 10  
20 FT WIND GUST.4 7 12 13 13 14  
MIX HGT (FT)....1000 1300 3200 4900 6300 7000  
TRANSPORT WIND..NW 7 NW 12 NW 13 NW 12 W 12 W 15  
DISPERSION IDX..3 22 44 51 53 66  
LVORI...........8 5 3 1 1 1  
CHC OF PCPN (%).10 20 20 20 10 10  
LAL.............1 1 1 1 1 1  
 

 
FORECASTER...BAXTER  
REQUESTED BY...KIM CHASE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2111692.1/MFL  
 
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