276  
FNUS72 KMLB 191024  
FWSMLB  
 
SPOT FORECAST FOR JOSHUA CREEK 01...FLORIDA FOREST SERVICE  
NATIONAL WEATHER SERVICE MELBOURNE FL  
524 AM EST WED FEB 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON FEBRUARY 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
AN AREA OF WEAK LOW PRESSURE WILL CROSS THE NORTHERN FLORIDA  
PENINSULA TODAY, AND DRAG A COLD FRONT THROUGH THE AREA INTO TONIGHT.  
THIS WILL LEAD TO INCREASING RAIN CHANCES (UP TO 60 PERCENT) ACROSS  
THE BURN SITE, MAINLY INTO THE MID TO LATE AFTERNOON. A LOW CHANCE,  
AROUND 20 PERCENT, WILL EXIST FOR THUNDERSTORMS WITH THIS ACTIVITY.  
WINDS WILL BE OUT OF THE SOUTH TO SOUTHWEST AROUND 10-15 MPH THIS  
MORNING BECOMING WEST-SOUTHWEST INTO THE AFTERNOON, WITH GUSTS UP  
TO 20 MPH POSSIBLE. HOWEVER, STRONGER GUSTS UP TO 35 TO 40 MPH  
WILL BE POSSIBLE WITH ANY STORMS. SKIES WILL BE MOSTLY CLOUDY,  
WITH A HIGH AROUND 80 DEGREES. NO MIN RH CONCERNS TODAY, WITH  
VERY GOOD DISPERSION VALUES FORECAST INTO THE AFTERNOON.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS LIKELY  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......3200 FT AGL INCREASING TO 5200 FT AGL EARLY IN  
THE AFTERNOON, THEN DECREASING TO 3200 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 15 TO 21 MPH SHIFTING TO THE NORTHWEST  
LATE IN THE AFTERNOON.  
DISPERSION INDEX....21 INCREASING TO 55 LATE IN THE MORNING, THEN  
INCREASING TO 80 EARLY IN THE AFTERNOON,  
DECREASING TO 30 LATE IN THE AFTERNOON.  
LVORI...............5 DECREASING TO 1.  
 
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........78 74 72 71 70 73 77 80 84  
WEATHER COV..... SCH CHC CHC LKY  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH SCH SCH  
CHC OF PCPN (%).10 10 10 10 10 20 40 50 60  
TEMP............70 73 76 78 80 80 80 77 74  
RH..............93 87 76 69 62 60 60 67 71  
20 FT WIND DIR..S S S SW SW W W W W  
20 FT WIND SPD..9 10 12 13 13 13 12 10 9  
20 FT WIND GUST.12 13 16 17 17 17 17 15 14  
MIX HGT (KFT)...1.4 2.1 3.2 3.7 4.5 5.1 5.2 3.2 2.2  
TRANSP WIND DIR.S S S SW SW SW W W NW  
TRANSP WIND SPD.15 16 20 20 21 22 20 18 16  
DISPERSION IDX..21 37 53 56 75 82 77 44 30  
LVORI...........5 4 3 1 1 1 1 1 3  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN CHANCE OF RAIN SHOWERS OVERNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 55.  
MAX HUMIDITY........97 PERCENT.  
WIND (20 FT)........WEST WINDS 7 TO 9 MPH SHIFTING TO THE NORTHWEST  
AROUND 9 MPH AFTER 3 AM. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST 10  
TO 12 MPH EARLY IN THE EVENING, THEN SHIFTING  
TO THE WEST 9 TO 12 MPH LATE IN THE EVENING  
SHIFTING TO THE NORTH 12 TO 13 MPH OVERNIGHT.  
DISPERSION INDEX....9.  
LVORI...............5 INCREASING TO 6 EARLY IN THE EVENING.  
 
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........87 90 88 86 87 90  
WEATHER COV.....LIKELY CHANCE CHANCE CHANCE S CHC  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR NONE  
TSTM COV........S CHC  
CHC OF PCPN (%).60 40 30 30 20 10  
TEMP............72 67 66 64 61 59  
RH..............79 93 93 97 97 90  
20 FT WIND......W 8 W 7 W 7 W 8 NW 9 NW 9  
20 FT WIND GUST.12 10 10 12 12 12  
MIX HGT (FT)....600 500 700 500 800 1300  
TRANSPORT WIND..W 10 SW 10 W 10 NW 10 N 12 N 12  
DISPERSION IDX..11 8 7 9 11 11  
LVORI...........4 6 6 6 6 5  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
MOSTLY SUNNY (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 66.  
MIN HUMIDITY........52 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 9 TO 10 MPH.  
MIXING HEIGHT.......2900 FT AGL INCREASING TO 4100 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 12 TO 13 MPH.  
DISPERSION INDEX....16 INCREASING TO 45.  
LVORI...............6 DECREASING TO 1.  
 
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........89 88 86 84 82 71 61 50 40 30 20 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 56 55 56 60 61 62 63 63 63 63 60  
RH..............93 90 93 90 78 71 66 60 57 54 52 55  
20 FT WIND DIR..NW NW NW N N NW NW NW NW NW NW N  
20 FT WIND SPD..9 9 9 10 10 10 10 10 10 10 10 10  
20 FT WIND GUST.13 13 14 14 14 14 15 16 16 15 14 13  
MIX HGT (KFT)...1.2 1.3 1.5 1.8 2.0 2.4 2.9 3.3 3.6 3.9 4.1 3.1  
TRANSP WIND DIR.N N N N N N NW NW NW NW NW NW  
TRANSP WIND SPD.13 12 12 13 13 13 13 13 13 13 13 13  
DISPERSION IDX..12 18 20 23 24 28 32 46 48 48 48 41  
LVORI...........6 5 5 4 4 3 3 1 1 1 1 1  
 

 
FORECASTER...WEITLICH  
REQUESTED BY...BLAKE BOYLE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2503177.0/MLB  
.DELDT 02/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BLAKE.BOYLE@FDACS.GOV  
 
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