544
FNUS72 KMLB 120753
FWSMLB
SPOT FORECAST FOR SFWMD - GARDNER MARSH 25...SFWMD
NATIONAL WEATHER SERVICE MELBOURNE FL
353 AM EDT THU MAR 12 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
BREEZY SOUTHWESTERLY WINDS TODAY AROUND 15-20 MPH, WITH GUSTS TO 30 MPH.
A COLD FRONT WILL MOVE THROUGH THE BURN SITE THIS EVENING, VEERING WINDS
NORTHERLY OVERNIGHT, BEFORE THEN BECOMING NORTHEASTERLY FRIDAY. WINDS WILL
REMAIN BREEZY THROUGH THE FRONTAL PASSAGE AND AROUND 10-15 MPH INTO FRIDAY
AFTERNOON. MOSTLY DRY THROUGH EARLY AFTERNOON, THEN SHOWER CHANCES INCREASE
FROM 3 PM ONWARD INTO THE EVENING, AS THE FRONT APPROACHES. A FEW STORMS
WILL BE POSSIBLE, MAINLY ALONG THE FRONT ITSELF. DRIER CONDITIONS WILL
DEVELOP INTO THE OVERNIGHT, WITH A FEW TO SCATTERED SHOWERS AND STORMS
POSSIBLE ONCE AGAIN FRIDAY AFTERNOON, THOUGH THE HIGHEST CHANCES WILL
BE SOUTH OF THE BURN AREA. MAIN THREATS WITH ANY STORMS WILL BE GUSTY
WINDS, LIGHTNING STRIKES, AND HEAVY DOWNPOURS. NO MIN RH CONCERNS. GOOD
TO VERY GOOD DISPERSION THROUGH THE END OF THE WORK WEEK. NEAR-RECORD
HIGHS IN THE UPPER 80S THIS AFTERNOON WILL COOL TO THE LOWER 80S TOMORROW.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
SHOWERS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 14 TO 15 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 5400 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 9 TO 16 MPH SHIFTING TO THE SOUTHWEST 20
TO 23 MPH IN THE LATE MORNING AND AFTERNOON.
DISPERSION INDEX....7 INCREASING TO 71 IN THE AFTERNOON.
LVORI...............9 DECREASING TO 1.
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........24 21 32 43 52 67 72
WEATHER COV..... SCH SCH CHC
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH
CHC OF PCPN (%).0 0 0 10 20 20 40
TEMP............79 83 85 85 87 85 84
RH..............74 63 57 55 52 57 59
20 FT WIND DIR..SW SW SW SW SW W W
20 FT WIND SPD..14 15 15 14 14 14 14
20 FT WIND GUST.23 23 24 25 25 25 25
MIX HGT (KFT)...3.3 4.1 4.9 5.4 5.1 3.7 3.2
TRANSP WIND DIR.SW SW SW SW SW W W
TRANSP WIND SPD.20 22 22 22 23 22 21
DISPERSION IDX..50 61 66 69 71 58 50
LVORI...........3 1 1 1 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS LIKELY
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 12 MPH SHIFTING TO THE NORTH 9
TO 12 MPH IN THE LATE EVENING AND OVERNIGHT.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE EVENING.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 16 MPH SHIFTING TO THE NORTHEAST
AROUND 15 MPH EARLY IN THE MORNING.
DISPERSION INDEX....33 DECREASING TO 18 AFTER 3 AM.
LVORI...............3 INCREASING TO 5 EARLY IN THE EVENING.
TIME (EDT) 6 PM 10 PM 2 AM
SKY (%).........78 71 67
WEATHER COV.....CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR NONE
TSTM COV........S CHC S CHC
CHC OF PCPN (%).50 30 10
TEMP............82 69 63
RH..............63 97 93
20 FT WIND......W 12G22 N 10G18 N 12G20
MIX HGT (FT)....2500 1300 1700
TRANSPORT WIND..W 16 N 16 NE 21
DISPERSION IDX..37 14 23
LVORI...........2 5 5
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 10 MPH SHIFTING TO THE
EAST LATE IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3000 FT AGL INCREASING TO 4600 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....NORTHEAST 14 TO 16 MPH SHIFTING TO THE EAST 10
TO 12 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....15 INCREASING TO 57.
LVORI...............5 DECREASING TO 1.
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........71 58 41
WEATHER COV..... CHANCE
WEATHER TYPE....NONE NONE RNSHWR
TSTM COV........ S CHC
CHC OF PCPN (%).10 10 30
TEMP............62 68 78
RH..............93 93 67
20 FT WIND......N 8G17 NE 9G16 E 10G15
MIX HGT (FT)....1100 3000 4100
TRANSPORT WIND..NE 14 E 16 E 15
DISPERSION IDX..12 40 55
LVORI...........5 4 1
FORECASTER...LEAHY
REQUESTED BY...JIM BLUSH
TYPE OF REQUEST...PRESCRIBED
.TAG 2605263.1/MLB
.DELDT 03/12/26
.FORMATTERVERSION 2.0.0
.EMAIL JBLUSH@SFWMD.GOV
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