684
FNUS72 KMLB 280756
FWSMLB
SPOT FORECAST FOR JDSP B18 SOUTH...FLORIDA PARK SERVICE
NATIONAL WEATHER SERVICE MELBOURNE FL
356 AM EDT THU MAY 28 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GOOD MORNING. WINDS WILL DECREASE TODAY FROM PREVIOUS DAY WITH
WINDS SHIFTING SOUTHWEST TO WEST BY MID MORNING, PERSISTING
THROUGH THE WEEKEND, WITH SPEEDS GENERALLY AROUND 10 MPH. DEEP
TROPICAL MOISTURE WILL MOVE OVER THE AREA, INCREASING OVERALL RAIN
CHANCES TODAY AND THROUGH THE WEEKEND. ISOLATED SHOWERS ARE
FORECAST THIS MORNING, INCREASING TO 60-70 PERCENT THIS AFTERNOON.
RAIN CHANCES WILL CONTINUE TO BE HIGH (50-70 PERCENT) EACH
AFTERNOON THROUGH THE WEEKEND. SHOWERS AND STORMS WILL BEGIN TO
DECREASE EACH EVENING AS CONVECTION DRIFTS BACK TOWARDS THE COAST
AND OFFSHORE. MAIN STORM HAZARDS WILL BE FREQUENT LIGHTNING
STRIKES, GUSTY WINDS EXCEEDING 35 MPH, AND LOCALLY HEAVY RAINFALL.
NO MIN RH CONCERNS THROUGH THE WEEKEND. SMOKE DISPERSION VALUES
WILL BE FAIR TODAY AND POOR FRIDAY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING,
THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2800 FT AGL.
TRANSPORT WINDS.....SOUTH 12 TO 13 MPH.
DISPERSION INDEX....27 INCREASING TO 33 IN THE LATE MORNING AND
AFTERNOON, THEN DECREASING TO 27 LATE IN THE
AFTERNOON.
LVORI...............4.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........57 59 63 67 59 59 56 68 69
WEATHER COV.....SCH SCH SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC
CHC OF PCPN (%).20 20 20 30 30 30 40 40 50
TEMP............81 84 85 86 86 86 86 87 85
RH..............82 77 75 72 72 75 75 70 75
20 FT WIND DIR..S SE SE SE SE SE SE SE S
20 FT WIND SPD..8 8 10 10 12 12 12 12 10
20 FT WIND GUST.13 13 14 15 16 17 17 16 16
MIX HGT (KFT)...1.8 2.5 2.8 2.8 2.6 2.5 2.3 1.9 1.8
TRANSP WIND DIR.S S S S S S S S S
TRANSP WIND SPD.12 13 12 12 13 13 13 13 13
DISPERSION IDX..27 37 36 33 34 32 32 29 27
LVORI...........4 3 3 3 3 3 3 3 3
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). SHOWERS AND
THUNDERSTORMS LIKELY IN THE EVENING, THEN
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........94 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH EARLY IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE EVENING, THEN GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
AFTER 3 AM.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 12 MPH DECREASING TO AROUND 7
MPH OVERNIGHT.
DISPERSION INDEX....19 DECREASING TO 4 EARLY IN THE EVENING.
LVORI...............3 INCREASING TO 6 EARLY IN THE EVENING.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........76 83 87 80 81 76 81 83 72 63 48 44
WEATHER COV.....LKY LKY LKY CHC CHC CHC CHC CHC SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........LKY LKY CHC CHC CHC CHC CHC CHC SCH
CHC OF PCPN (%).60 70 60 50 50 40 30 30 10 20 10 10
TEMP............84 83 80 79 78 78 77 77 77 77 76 76
RH..............77 77 85 85 88 85 88 88 88 88 90 90
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..9 7 5 5 3 3 3 3 3 2 3 3
20 FT WIND GUST.15 13 12 10 10 9 9 9 9 8 8 8
MIX HGT (KFT)...1.3 1.3 1.1 0.5 0.5 0.5 0.5 0.5 0.5 0.4 1.1 0.4
TRANSP WIND DIR.S S S SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.12 10 8 8 8 7 7 7 7 7 7 7
DISPERSION IDX..20 17 5 5 4 3 3 3 3 3 3 3
LVORI...........3 3 5 5 5 6 6 6 6 6 6 6
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........68 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE NORTHWEST
EARLY IN THE AFTERNOON SHIFTING TO THE EAST 6
TO 7 MPH EARLY IN THE AFTERNOON SHIFTING TO THE
SOUTHEAST AROUND 7 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 2900 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....WEST 6 TO 7 MPH SHIFTING TO THE NORTHWEST EARLY
IN THE AFTERNOON, THEN SHIFTING TO THE
SOUTHEAST 7 TO 9 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....6 INCREASING TO 17 IN THE LATE MORNING AND
AFTERNOON.
LVORI...............7 DECREASING TO 3.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........39 38 38 45 49 58 49 47 54 54 54 55
WEATHER COV..... SCH SCH LKY LKY LKY LKY
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH CHC CHC CHC CHC
CHC OF PCPN (%).10 10 10 10 10 10 20 20 60 60 60 60
TEMP............76 75 76 79 83 85 87 87 87 87 88 86
RH..............90 94 94 88 77 72 70 70 70 70 68 72
20 FT WIND DIR..SW SW SW W W W NW NE E E SE SE
20 FT WIND SPD..3 3 3 3 3 5 5 6 7 7 7 7
20 FT WIND GUST.8 8 8 7 8 7 8 9 12 12 12 12
MIX HGT (KFT)...0.4 0.4 1.1 1.4 2.2 2.8 2.9 2.9 2.5 2.1 2.0 1.4
TRANSP WIND DIR.SW SW W W W W W NW N E SE E
TRANSP WIND SPD.6 7 7 7 7 7 6 6 7 7 8 9
DISPERSION IDX..3 3 9 13 18 21 20 18 19 19 21 18
LVORI...........6 7 5 4 3 3 3 3 3 3 3 3
FORECASTER...WATSON
REQUESTED BY...ROB
TYPE OF REQUEST...PRESCRIBED
.TAG 2614551.0/MLB
.DELDT 05/28/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBIN.ROSSMANITH@FLORIDADEP.GOV
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