090  
FNUS72 KMLB 251041  
FWSMLB  
 
SPOT FORECAST FOR 123EAST...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE MELBOURNE FL  
641 AM EDT SAT JUL 25 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON JULY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
LIGHT SOUTH TO SOUTHWEST WINDS BECOME VARIABLE AT TIMES, CONTRIBUTING  
TO POOR TO FAIR SMOKE DISPERSION. INCREASING MOISTURE WILL ALLOW FOR  
SCATTERED AFTERNOON SHOWERS AND STORMS IN VICINITY OF THE BURN SITE.  
STORM MOVEMENT WILL BE SLOW AND ERRATIC AT TIMES, AND SLOW MOVING STORMS  
HAVE THE POTENTIAL FOR LOCALLY HEAVY RAINFALL. THERE ARE NO CRITICAL RH  
CONCERNS. HIGH TEMPERATURES WILL REACH THE MID 90S WITH PEAK HEAT INDEX  
VALUES NEAR 105 DEGREES.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........54 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1800 FT AGL INCREASING TO 5200 FT AGL.  
TRANSPORT WINDS.....SOUTH 3 TO 6 MPH SHIFTING TO THE SOUTHWEST 5 TO  
6 MPH LATE IN THE AFTERNOON.  
DISPERSION INDEX....7 INCREASING TO 35.  
LVORI...............10 DECREASING TO 2.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 30 14 17 16 23 31 40 38 43 47  
WEATHER COV..... CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC  
CHC OF PCPN (%).0 0 0 0 10 10 10 30 30 30 40  
TEMP............75 77 81 85 88 89 91 92 93 93 91  
RH..............100 100 88 77 68 66 60 58 54 54 58  
20 FT WIND DIR..N SE S SW SW SW SW SW S S S  
20 FT WIND SPD..0 1 1 2 3 3 2 2 2 3 3  
20 FT WIND GUST.1 2 2 3 6 6 7 7 7 8 9  
MIX HGT (KFT)...0.4 0.6 1.8 2.8 3.7 4.2 4.8 5.1 4.9 5.2 3.6  
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW  
TRANSP WIND SPD.3 3 6 5 5 5 5 5 5 5 6  
DISPERSION IDX..2 3 11 16 21 23 27 30 28 35 26  
LVORI...........10 9 5 3 3 2 2 2 2 1 2  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
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........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS EARLY IN THE EVENING.  
MIXING HEIGHT.......1300 FT AGL DECREASING TO 400 FT AGL EARLY IN  
THE EVENING.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 8 MPH.  
DISPERSION INDEX....24 DECREASING TO 3.  
LVORI...............4 INCREASING TO 7.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........47 54 41 40 37 21  
WEATHER COV.....CHANCE S CHC  
WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE NONE  
TSTM COV........CHANCE S CHC  
CHC OF PCPN (%).40 20 10 10 10 0  
TEMP............89 82 80 78 77 77  
RH..............64 79 88 91 94 94  
20 FT WIND......S 3 SW 3 S 2 SW 2 SW 2 SW 3  
20 FT WIND GUST.9 7 5 5 5 5  
MIX HGT (FT)....2800 700 400 400 400 400  
TRANSPORT WIND..SW 7 S 7 SW 5 W 6 W 6 W 5  
DISPERSION IDX..24 3 3 3 3 2  
LVORI...........3 4 6 6 6 7  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY IN THE AFTERNOON.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........58 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH IN  
THE LATE MORNING AND AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE AFTERNOON.  
MIXING HEIGHT.......1500 FT AGL INCREASING TO 4200 FT AGL IN THE  
LATE MORNING AND EARLY AFTERNOON, THEN  
INCREASING TO 5300 FT AGL EARLY IN THE  
AFTERNOON DECREASING TO 2900 FT AGL LATE IN THE  
AFTERNOON.  
TRANSPORT WINDS.....WEST 6 TO 10 MPH SHIFTING TO THE NORTHWEST  
AROUND 9 MPH LATE IN THE AFTERNOON, THEN  
SHIFTING TO THE WEST LATE IN THE AFTERNOON.  
DISPERSION INDEX....5 INCREASING TO 45 LATE IN THE MORNING DECREASING  
TO 34 DECREASING TO 20 LATE IN THE AFTERNOON.  
LVORI...............7 INCREASING TO 9 EARLY IN THE MORNING, THEN  
DECREASING TO 7 EARLY IN THE MORNING DECREASING  
TO 4 LATE IN THE MORNING DECREASING TO 2  
INCREASING TO 3 LATE IN THE AFTERNOON.  
 
TIME (EDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........23 25 30 59  
WEATHER COV..... S CHC LIKELY  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR  
TSTM COV........ S CHC LIKELY  
CHC OF PCPN (%).0 10 20 60  
TEMP............77 82 90 91  
RH..............94 85 66 60  
20 FT WIND......SW 3G6 W 5G7 W 6G12 NW 6G13  
MIX HGT (FT)....400 1500 3900 5300  
TRANSPORT WIND..W 6 W 10 NW 9 NW 9  
DISPERSION IDX..3 20 46 38  
LVORI...........7 4 1 1  
 

 
FORECASTER...LAW  
REQUESTED BY...ADAM PETERSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2618192.0/MLB  
.DELDT 07/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL APETERSON@TNC.ORG  
 
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