733
FNUS72 KMLB 150741 CCA
FWSMLB
SPOT FORECAST FOR WBTWMA UNIT 1A-WEST...FLORIDA FISH AND WILDLIFE CONSERVATION
NATIONAL WEATHER SERVICE MELBOURNE FL
329 AM EDT MON JUN 15 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON JUNE 15.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY WEATHER IS FORECAST THROUGH THIS MORNING BEFORE SCATTERED TO
NUMEROUS SHOWERS (70%) AND LIGHTNING STORMS ARE FORECAST TO
DEVELOP INTO THE AFTERNOON. COVERAGE OF SHOWERS AND LIGHTNING
STORMS ARE EXPECTED TO INCREASE IN THE AFTERNOON AS WEST-
SOUTHWEST FLOW CONVERGES WITH THE EAST COAST SEA BREEZE. THE MAIN
HAZARDS WILL BE FREQUENT LIGHTNING, HEAVY RAINFALL (1-3" IN 60-90
MINUTES WITH A 1-IN-10 CHANCE IN EXCESS OF 2" UP TO 4" TOTAL), AND
WIND GUSTS UP TO 40-50MPH. WEST-SOUTHWEST WINDS AT 5-10MPH WITH
GUSTS UP TO 15-20MPH ARE FORECAST BEFORE WINDS BACK ONSHORE WITH
THE EAST COAST SEA BREEZE IN THE AFTERNOON. AN AFTERNOON
HIGH OF 95 DEGREES WITH A MAXIMUM HEAT INDEX VALUE OF AROUND 107F IS
FORECAST WITH A MAJOR HEATRISK. A MAJOR HEATRISK AFFECTS ANYONE WITHOUT
ADEQUATE COOLING AND HYDRATION! NO CRITICAL RH VALUES ARE FORECAST.
DISPERSION VALUES WILL BE VERY GOOD.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........56 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 10 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3800 FT AGL INCREASING TO 5600 FT AGL EARLY IN
THE AFTERNOON, THEN DECREASING TO 3400 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 12 TO 14 MPH.
DISPERSION INDEX....36 INCREASING TO 52 LATE IN THE MORNING, THEN
INCREASING TO 63 LATE IN THE MORNING INCREASING
TO 80 EARLY IN THE AFTERNOON DECREASING TO 55
DECREASING TO 29 LATE IN THE AFTERNOON.
LVORI...............4 DECREASING TO 2 LATE IN THE MORNING.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........37 39 41 46 50 58 59 61 65
WEATHER COV..... CHC CHC CHC LKY
WEATHER TYPE.... RW RW RW RW
TSTM COV........ CHC CHC CHC LKY
CHC OF PCPN (%).0 0 0 10 10 30 50 50 70
TEMP............82 85 88 91 92 93 93 93 91
RH..............85 77 68 62 58 56 56 56 60
20 FT WIND DIR..W W W W SW SW W W W
20 FT WIND SPD..8 9 9 9 10 10 9 9 8
20 FT WIND GUST.13 14 14 15 16 16 15 14 14
MIX HGT (KFT)...2.2 3.0 3.8 4.7 5.2 5.6 5.5 3.4 2.1
TRANSP WIND DIR.W W W W W W W W W
TRANSP WIND SPD.13 14 14 14 14 14 13 14 12
DISPERSION IDX..36 52 63 75 78 84 79 55 29
LVORI...........4 3 1 1 1 1 1 1 2
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). SHOWERS AND
THUNDERSTORMS LIKELY EARLY IN THE EVENING, THEN
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE EVENING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE EVENING.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 76.
MAX HUMIDITY........94 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 7 MPH SHIFTING TO THE NORTH
AROUND 6 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE SOUTHWEST 5 TO 6 MPH EARLY IN
THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST AROUND 9 MPH SHIFTING TO THE NORTH EARLY
IN THE EVENING, THEN SHIFTING TO THE SOUTHWEST
7 TO 9 MPH EARLY IN THE EVENING BECOMING 7 TO 8
MPH LATE IN THE EVENING.
DISPERSION INDEX....21 DECREASING TO 7.
LVORI...............4 INCREASING TO 6.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........69 69 71 67 64 64 51 41 32 25 28 23
WEATHER COV.....LKY LKY CHC SCH
WEATHER TYPE....RW RW RW RW
TSTM COV........LKY LKY CHC SCH
CHC OF PCPN (%).60 60 30 20 10 10 0 0 0 0 0 0
TEMP............89 87 84 83 81 80 79 78 78 77 77 77
RH..............64 70 74 77 82 82 85 88 88 88 88 88
20 FT WIND DIR..W N S S SW SW SW SW SW SW SW SW
20 FT WIND SPD..7 6 6 6 6 6 5 5 5 5 5 6
20 FT WIND GUST.12 10 8 8 8 8 8 7 7 8 8 9
MIX HGT (KFT)...1.6 0.9 0.9 0.5 0.4 0.5 0.5 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W N S SW SW W W SW W W SW SW
TRANSP WIND SPD.9 9 9 8 7 7 8 7 7 7 7 8
DISPERSION IDX..21 11 6 5 5 5 5 5 3 3 3 4
LVORI...........3 3 4 4 5 4 5 5 6 6 6 6
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE AFTERNOON.
SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
AFTERNOON, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 4600 FT AGL LATE IN
THE MORNING, THEN INCREASING TO 5500 FT AGL
EARLY IN THE AFTERNOON DECREASING TO 2900 FT
AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 7 TO 13 MPH.
DISPERSION INDEX....8 INCREASING TO 27 LATE IN THE MORNING, THEN
INCREASING TO 49 LATE IN THE MORNING INCREASING
TO 70 EARLY IN THE AFTERNOON DECREASING TO 30
INCREASING TO 40 LATE IN THE AFTERNOON.
LVORI...............6 DECREASING TO 2.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........27 32 31 36 42 49 48 42 49 56 69 69
WEATHER COV..... CHC CHC LKY CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........ CHC CHC LKY CHC
CHC OF PCPN (%).0 0 0 0 0 0 0 0 30 30 60 50
TEMP............76 77 78 81 85 87 89 92 92 92 92 90
RH..............94 90 94 88 75 68 64 56 54 56 56 62
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..6 7 7 7 9 9 9 9 9 9 9 8
20 FT WIND GUST.9 10 10 10 13 14 15 15 16 15 15 14
MIX HGT (KFT)...0.4 0.4 1.1 2.1 3.0 3.8 4.6 5.2 5.3 5.5 2.3 2.9
TRANSP WIND DIR.SW SW SW W W W W SW SW SW SW SW
TRANSP WIND SPD.7 8 8 10 12 12 12 12 13 12 9 13
DISPERSION IDX..3 4 12 27 44 53 65 71 74 72 30 40
LVORI...........6 6 5 4 3 2 1 1 1 1 1 1
FORECASTER...FEHLING
REQUESTED BY...ERIC HERIBACKA
TYPE OF REQUEST...PRESCRIBED
.TAG 2615515.0/MLB
.DELDT 06/15/26
.FORMATTERVERSION 2.0.0
.EMAIL ERIC.HERIBACKA@MYFWC.COM
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