475  
FNUS72 KMFL 011337  
FWSMFL  
 
SPOT FORECAST FOR IMMOKALEE...SEMINOLE TRIBE OF FLORIDA  
NATIONAL WEATHER SERVICE MIAMI FL  
937 AM EDT MON JUN 1 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JUNE 01.  
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
 
 
HIGH PRESSURE WILL REMAIN OVER THE FLORIDA PENINSULA TODAY  
ALLOWING FOR AN EASTERLY WIND FLOW OVER THE BURN SITE. ISOLATED TO  
SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON OVER THE BURN  
SITE WITH THE PRIMARY IMPACTS BEING LIGHTNING STRIKES. THE  
RELATIVE HUMIDITY SHOULD ONLY FALL DOWN TO AROUND 50 PERCENT THIS  
AFTERNOON WITH THE DISPERSION READINGS GETTING UP TO AROUND 80,  
AS THE TRANSPORT WIND SPEEDS GETS UP TO AROUND 15 MPH.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........49 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH EARLY IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
LAL.................NO TSTMS UNTIL 1300, THEN 1-8 STRIKES UNTIL  
1500, THEN 16-25 STRIKES.  
MIXING HEIGHT.......1400-2700 FT AGL INCREASING TO 3500-5300 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST 3 TO 12 MPH INCREASING TO 14 TO 15 MPH  
LATE IN THE AFTERNOON.  
DISPERSION INDEX....9 INCREASING TO 76.  
LVORI...............3.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........41 45 49 53 57 62 67 72  
WEATHER COV..... SCH SCH CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH CHC CHC CHC  
TEMP............79 82 85 87 89 91 92 93  
RH..............88 77 67 61 56 52 51 49  
20 FT WIND DIR..SE E E E E E E E  
20 FT WIND DIR..120 100 090 080 080 080 090 080  
20 FT WIND SPD..2 2 3 3 5 5 6 6  
20 FT WIND GUST.5 6 8 10 10 11 11 12  
MIX HGT (KFT)...1.4 1.9 2.7 3.5 4.3 4.7 5.0 5.3  
TRANSP WIND DIR.SE E E E E E E E  
TRANSP WIND SPD.3 5 7 10 12 14 14 15  
DISPERSION IDX..6 12 25 43 62 72 80 75  
LVORI...........5 4 3 1 1 1 1 1  
CHC OF PCPN (%).0 0 10 20 20 30 30 40  
LAL.............1 1 1 2 2 4 4 4  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS IN THE EVENING.  
MIN TEMPERATURE.....AROUND 72.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE EVENING.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................16-25 STRIKES UNTIL 2000, THEN 1-8 STRIKES  
UNTIL 2300, THEN NO TSTMS.  
MIXING HEIGHT.......4200-5000 FT AGL DECREASING TO 300-400 FT AGL.  
TRANSPORT WINDS.....EAST 9 TO 18 MPH BECOMING NORTHEAST 2 TO 5 MPH  
LATE IN THE EVENING.  
DISPERSION INDEX....73 INCREASING TO 85 EARLY IN THE EVENING, THEN  
DECREASING TO 8 EARLY IN THE EVENING DECREASING  
TO 2 AFTER MIDNIGHT.  
LVORI...............4.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........75 79 82 76 70 64 58 51 45 46 48 49  
WEATHER COV.....CHC LKY CHC CHC CHC SCH  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........CHC CHC SCH SCH SCH  
TEMP............93 92 90 87 83 81 79 78 77 75 75 74  
RH..............51 52 56 61 70 74 77 79 82 87 87 90  
20 FT WIND DIR..E E E E E E E E E E E NE  
20 FT WIND DIR..090 110 080 100 090 090 090 080 080 070 070 060  
20 FT WIND SPD..5 5 5 3 3 3 3 2 2 3 3 3  
20 FT WIND GUST.12 12 10 8 10 10 8 8 8 8 8 10  
MIX HGT (KFT)...5.0 4.6 4.2 3.0 1.7 0.4 0.4 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.E E E E E E E E E E E NE  
TRANSP WIND SPD.17 18 17 14 9 5 2 2 3 3 3 3  
DISPERSION IDX..73 85 12 9 5 3 2 1 1 1 2 2  
LVORI...........1 1 2 3 3 4 4 5 5 6 7 7  
CHC OF PCPN (%).50 60 50 40 30 20 10 10 0 0 0 0  
LAL.............4 4 2 2 2 1 1 1 1 1 1 1  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF  
SHOWERS IN THE LATE MORNING AND EARLY  
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS LATE  
IN THE MORNING, THEN SHOWERS LIKELY AND CHANCE  
OF THUNDERSTORMS EARLY IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........65 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH EARLY IN  
THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE MORNING.  
CHANCE OF PCPN......70 PERCENT.  
LAL.................NO TSTMS UNTIL 1100, THEN 1-8 STRIKES UNTIL  
1400, THEN 16-25 STRIKES.  
MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 2600-3400 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....EAST 3 TO 9 MPH INCREASING TO 13 TO 17 MPH IN  
THE LATE MORNING AND AFTERNOON.  
DISPERSION INDEX....4 INCREASING TO 39.  
LVORI...............6.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........50 52 65 66 82 84  
WEATHER COV..... S CHC S CHC LIKELY LIKELY  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ S CHC CHANCE CHANCE  
TEMP............73 75 81 84 84 83  
RH..............93 94 77 70 67 72  
20 FT WIND DIR..E E E E E E  
20 FT WIND DIR..070 080 090 090 090 090  
20 FT WIND SPD..3 5 7 8 8 8  
20 FT WIND GUST.10 10 12 13 13 13  
MIX HGT (FT)....300 400 2200 3200 3400 2900  
TRANSPORT WIND..E 3 E 6 E 13 E 17 E 16 E 16  
DISPERSION IDX..2 5 29 41 40 39  
LVORI...........7 6 3 3 2 3  
CHC OF PCPN (%).0 0 20 20 70 70  
LAL.............1 1 1 2 4 4  
 

 
FORECASTER...BAXTER  
REQUESTED BY...ANTHONY CURELLA  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2007345.0/MFL  
 
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