759  
FNUS72 KMLB 011004  
FWSMLB  
 
SPOT FORECAST FOR THREE LAKES - ROAD 15...FWC  
NATIONAL WEATHER SERVICE MELBOURNE FL  
604 AM EDT TUE JUL 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON JULY 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH RAIN CHANCES AND DECREASING CONFIDENCE IN CONVECTIVE TIMING  
DUE TO INCREASING MOISTURE AND BROAD, WEAK INSTABILITY. HIGHEST  
CHANCES (50-70%) AND GREATEST COVERAGE OF SHOWERS AND STORMS  
TODAY BETWEEN 2 PM AND 7 PM, AND BETWEEN 1 PM AND 8 PM WITH  
SLIGHTLY HIGHER CHANCES FOR AN EARLY START WEDNESDAY.  
 
LIGHT S-SE WINDS EARLY THIS MORNING BECOME SSE AT 5-10 MPH IN THE  
LATE MORNING, SHIFTING TO THE S WHILE DIMINISHING AFTER 8 PM,  
BECOMING LIGHT OVERNIGHT. WEDNESDAY S WINDS INCREASE TO 5-10 MPH  
IN THE LATE MORNING, SHIFTING TO THE SSW AT AROUND 10 MPH IN THE  
AFTERNOON. MIN RH 55-60% TODAY AND 60-65% WEDNESDAY. AFTERNOON  
SMOKE DISPERSION GENERALLY GOOD TODAY AND WEDNESDAY, BORDERING ON  
EXCELLENT WEDNESDAY. AFTERNOON HIGHS AROUND 90 WITH PEAK HEAT  
INDICES AROUND 100 TODAY AND WEDNESDAY.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN  
SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........57 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE  
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......400-1700 FT AGL INCREASING TO 4400-4800 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH INCREASING TO 10 TO 15  
MPH LATE IN THE AFTERNOON.  
DISPERSION INDEX....INCREASING TO 52.  
LVORI...............10 DECREASING TO 2.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........36 35 34 34 37 45 51 56 60 64  
WEATHER COV..... SCH SCH CHC CHC CHC LKY LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW  
TSTM COV........ SCH CHC CHC CHC LKY LKY LKY  
CHC OF PCPN (%).10 10 20 20 30 40 50 60 60 70  
TEMP............72 76 81 86 87 89 89 89 89 86  
RH..............100 87 77 65 63 59 57 57 57 63  
20 FT WIND DIR..SE SE SE S S S S S S S  
20 FT WIND SPD..2 3 6 6 7 7 7 7 8 8  
20 FT WIND GUST.6 7 8 9 12 12 13 13 13 15  
MIX HGT (KFT)...0.4 1.0 1.7 2.8 3.8 4.4 4.8 4.4 3.6 2.3  
TRANSP WIND DIR.SE SE SE SE S S S S S SE  
TRANSP WIND SPD.3 6 7 8 9 9 9 10 12 13  
DISPERSION IDX..2 6 15 29 41 47 53 54 50 36  
LVORI...........9 5 4 3 1 1 1 1 1 2  
   
TONIGHT
 
 
BOTH  
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY EARLY IN THE EVENING, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN  
THE EVENING. SLIGHT CHANCE OF SHOWERS LATE IN  
THE EVENING.  
CHANCE OF PCPN......60 PERCENT.  
MIN TEMPERATURE.....AROUND 70.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH IN THE EVENING BECOMING  
LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS.  
MIXING HEIGHT.......900-1900 FT AGL DECREASING TO 400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.  
DISPERSION INDEX....DECREASING TO 6 EARLY IN THE EVENING.  
LVORI...............4 INCREASING TO 9.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........66 75 78 81 79 76 66 60 50 48 46 44  
WEATHER COV.....LKY LKY CHC CHC CHC SCH  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........LKY LKY CHC CHC CHC  
CHC OF PCPN (%).60 60 50 40 30 20 10 10 10 10 10 10  
TEMP............85 84 77 76 75 74 74 73 73 71 71 71  
RH..............65 67 85 87 90 93 90 93 93 100 100 100  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..7 7 7 6 5 5 5 3 3 3 3 3  
20 FT WIND GUST.14 15 12 10 10 9 9 8 8 8 8 8  
MIX HGT (KFT)...1.9 0.9 0.8 0.4 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S SW S S S S S S S  
TRANSP WIND SPD.10 12 14 13 13 13 8 8 8 8 7 8  
DISPERSION IDX..25 16 8 8 9 8 5 4 4 4 3 4  
LVORI...........3 3 4 5 5 6 6 7 8 9 8 8  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS  
AND THUNDERSTORMS LIKELY IN THE AFTERNOON.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........63 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH EARLY IN  
THE MORNING, SHIFTING SOUTHWEST AROUND 10 MPH IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......400-1300 FT AGL INCREASING TO 4100-4900 FT AGL  
LATE IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH INCREASING TO AROUND 15 MPH.  
DISPERSION INDEX....INCREASING TO 77.  
LVORI...............9 DECREASING TO 1.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 48 50 53 56 59 63 68 72 76 79 83  
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC LKY LKY LKY LKY  
CHC OF PCPN (%).20 30 40 40 40 40 40 40 70 70 70 70  
TEMP............71 71 75 78 81 84 86 87 88 86 85 84  
RH..............100 100 94 88 79 74 70 65 63 68 70 72  
20 FT WIND DIR..S S S S S S S SW SW SW SW SW  
20 FT WIND SPD..3 3 5 6 8 9 10 10 10 10 10 10  
20 FT WIND GUST.9 10 12 13 15 16 17 18 20 20 20 20  
MIX HGT (KFT)...0.4 0.4 0.7 1.3 1.8 2.4 3.2 4.1 4.9 3.9 3.0 2.1  
TRANSP WIND DIR.S S S S S S S S S SW SW SW  
TRANSP WIND SPD.9 10 12 13 13 14 15 15 16 16 16 16  
DISPERSION IDX..4 6 12 24 34 47 62 77 67 61 55 44  
LVORI...........9 9 5 4 3 3 2 1 1 1 3 3  
 

 
FORECASTER...HALEY  
REQUESTED BY...STEVE GLASS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2516992.0/MLB  
.DELDT 07/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL STEVE.GLASS@MYFWC.COM  
 
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