825  
FNUS72 KMFL 090740  
FWSMFL  
 
SPOT FORECAST FOR IRON WILDFIRE...NPS  
NATIONAL WEATHER SERVICE MIAMI FL  
340 AM EDT WED JUL 9 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON JULY 09.  
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  
 
LIGHT AND VARIABLE WINDS AT THE BURN SITE EARLY THIS MORNING WILL  
GRADUALLY INCREASE OUT OF THE EAST AS THE DAY PROGRESSES.  
SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE LATER THIS  
MORNING THROUGH THE AFTERNOON HOURS. SOME OF THE STORMS COULD  
BECOME STRONG CONTAINING GUSTY WINDS AND HEAVY DOWNPOURS THIS  
AFTERNOON. MAXIMUM DISPERSION VALUES THIS AFTERNOON AT THE BURN  
SITE WILL RISE INTO THE GENERALLY GOOD CATEGORY.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
CHANCE OF PCPN......50 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........58 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH LATE IN  
THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE LATE MORNING AND  
AFTERNOON.  
MIXING HEIGHT.......4800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 8 MPH SHIFTING TO THE EAST 8 TO  
9 MPH LATE IN THE AFTERNOON.  
DISPERSION INDEX....10 INCREASING TO 24 LATE IN THE MORNING, THEN  
INCREASING TO 38 LATE IN THE MORNING INCREASING  
TO 43 EARLY IN THE AFTERNOON DECREASING TO 33.  
LVORI...............4.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........27 27 25 35 39 47 49 53 52 52  
WEATHER COV..... SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC  
CHC OF PCPN (%).10 10 20 20 20 30 40 50 50 40  
TEMP............77 80 86 87 89 88 90 90 90 91  
RH..............97 91 72 68 61 61 60 58 60 58  
20 FT WIND DIR..N N NE NE NE E E E E E  
20 FT WIND SPD..3 3 3 5 5 6 6 6 6 6  
20 FT WIND GUST.7 8 10 12 13 14 15 14 14 14  
MIX HGT (KFT)...0.4 1.3 2.4 3.5 4.2 4.7 4.8 4.4 3.7 2.9  
TRANSP WIND DIR.N N NE NE NE NE NE E E E  
TRANSP WIND SPD.7 7 8 8 8 8 8 9 9 8  
DISPERSION IDX..7 12 24 34 41 46 47 39 36 30  
LVORI...........6 4 3 3 1 1 1 1 1 2  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
EARLY IN THE EVENING.  
CHANCE OF PCPN......40 PERCENT.  
MIN TEMPERATURE.....AROUND 75.  
MAX HUMIDITY........94 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 3 TO 8 MPH.  
DISPERSION INDEX....17 DECREASING TO 3 EARLY IN THE EVENING.  
LVORI...............5.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........47 46 49 43 39 20 27 32 30 13 19 19  
WEATHER COV.....CHC CHC SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........CHC CHC SCH  
CHC OF PCPN (%).40 30 20 10 10 10 10 0 10 10 10 10  
TEMP............88 87 86 82 81 80 79 78 78 77 76 76  
RH..............63 65 70 79 82 82 88 91 88 94 94 94  
20 FT WIND DIR..SE E SE SE SE E NE NE N N E E  
20 FT WIND SPD..6 5 5 3 2 2 2 2 1 1 1 1  
20 FT WIND GUST.12 10 10 8 7 6 5 3 3 3 3 3  
MIX HGT (KFT)...2.1 1.3 0.7 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E SE SE SE SE SE SE SE SE E E  
TRANSP WIND SPD.8 7 7 6 6 6 5 5 3 3 5 5  
DISPERSION IDX..21 13 4 3 3 3 2 2 2 2 2 2  
LVORI...........2 3 3 5 5 6 6 7 7 8 7 7  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.  
SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE  
AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH LATE  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....EAST 3 TO 8 MPH.  
DISPERSION INDEX....4 INCREASING TO 26.  
LVORI...............6.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........27 19 20 14 27 39 50 60 71 70 69 69  
WEATHER COV..... CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
CHC OF PCPN (%).10 10 40 40 40 40 40 40 60 60 60 60  
TEMP............76 75 77 82 84 87 88 89 90 90 90 91  
RH..............94 100 97 85 77 68 66 64 62 62 62 60  
20 FT WIND DIR..NE E E E E SE SE SE SE SE SE SE  
20 FT WIND SPD..1 2 2 2 3 5 6 6 6 6 6 6  
20 FT WIND GUST.3 3 5 6 7 9 12 13 14 14 14 13  
MIX HGT (KFT)...0.3 0.2 0.4 1.2 2.3 3.2 3.6 3.7 3.6 3.5 3.2 2.8  
TRANSP WIND DIR.E E E E E E E SE SE SE SE SE  
TRANSP WIND SPD.5 3 3 3 5 6 6 7 7 7 7 8  
DISPERSION IDX..2 2 3 6 13 21 25 27 24 25 25 25  
LVORI...........8 9 6 4 3 3 2 2 3 2 3 3  
 
 
FORECASTER...CARACOZZA  
REQUESTED BY...SIMON VICKERS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2517605.0/MFL  
.DELDT 07/09/25  
.FORMATTERVERSION 2.0.0  
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