531  
FNUS72 KMFL 011956  
FWSMFL  
 
SPOT FORECAST FOR JOHNSON WILDFIRE...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE MIAMI FL  
ISSUED BY NATIONAL WEATHER SERVICE KEY WEST FL  
356 PM EDT THU MAY 1 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 EDT ON MAY 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
 
 
THE WINDS WILL REMAIN EASTERLY THROUGH TONIGHT WITH SPEEDS  
DECREASING FROM 5 TO 10 MPH THIS AFTENROON TO LESS THAN 5 MPH  
TONIGHT. THE WEATHER WILL ALSO REMAIN DRY OVER THE BURN SITE  
THROUGH TONIGHT. NO FOG IS EXPECTED TONIGHT OVER THE BURN SITE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........EAST WINDS 9 TO 10 MPH.  
MIXING HEIGHT.......5900 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 14 MPH.  
DISPERSION INDEX....61.  
LVORI...............1.  
 
TIME (EDT) 4PM 5PM  
SKY (%).........32 41  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0  
TEMP............86 84  
RH..............45 49  
20 FT WIND DIR..E E  
20 FT WIND SPD..10 9  
20 FT WIND GUST.20 18  
MIX HGT (KFT)...5.9 5.9  
TRANSP WIND DIR.E E  
TRANSP WIND SPD.14 14  
DISPERSION IDX..61 61  
LVORI...........1 1  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 65.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........EAST WINDS 5 TO 9 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....EAST 8 TO 15 MPH.  
DISPERSION INDEX....56 DECREASING TO 7.  
LVORI...............3.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........31 41 49 46 47 46 47 54 57 59 68 58  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............84 81 77 74 72 72 71 70 69 68 67 67  
RH..............48 54 62 71 76 76 79 84 84 87 90 90  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..9 9 8 7 6 5 5 5 3 3 3 3  
20 FT WIND GUST.20 20 18 17 16 15 14 13 12 12 10 10  
MIX HGT (KFT)...4.6 3.3 2.1 1.5 1.0 0.5 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.15 15 15 14 13 10 10 9 9 9 8 8  
DISPERSION IDX..57 55 18 15 8 7 7 7 7 6 6 5  
LVORI...........1 1 2 3 4 4 4 4 5 5 5 5  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........43 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 9 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......6900 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 14 MPH.  
DISPERSION INDEX....7 INCREASING TO 74.  
LVORI...............4.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........45 54 40 31 43 56 39 43 48 37 36 34  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............67 65 69 74 80 82 83 84 85 85 85 85  
RH..............90 93 84 76 58 51 49 46 45 45 43 45  
20 FT WIND DIR..E E E E E E E E E SE SE SE  
20 FT WIND SPD..3 3 3 5 5 7 8 8 8 8 8 9  
20 FT WIND GUST.10 10 10 10 12 13 14 14 15 16 16 16  
MIX HGT (KFT)...0.4 0.4 0.4 2.2 3.9 5.6 6.1 6.5 6.9 6.5 6.2 5.9  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.8 7 8 9 10 10 10 10 10 12 13 14  
DISPERSION IDX..5 5 8 24 47 56 73 75 72 74 78 70  
LVORI...........5 6 4 3 1 1 1 1 1 1 1 1  
 

 
FORECASTER...BAXTER  
REQUESTED BY...PETER PAPPAS, PLANNING CHIEF  
TYPE OF REQUEST...WILDFIRE  
.TAG 2512585.0/MFL  
.DELDT 05/01/25  
.FORMATTERVERSION 2.0.0  
 
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