991
FNUS72 KMLB 120814
FWSMLB
SPOT FORECAST FOR JDSP GIRL SCOUT CAMP...FLORIDA PARK SERVICE
NATIONAL WEATHER SERVICE MELBOURNE FL
414 AM EDT WED AUG 12 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT
THIS EVENING...
DISCUSSION
SCATTERED SHOWERS (50% CHANCE) AND LIGHTNING STORMS ARE FORECAST
TO DEVELOP THIS AFTERNOON AND EVENING MAINLY BETWEEN 2PM TO 10PM.
THE POTENTIAL EXISTS FOR AN ISOLATED STRONG STORM CAPABLE OF
FREQUENT LIGHTNING, WIND GUSTS UP TO 30-50MPH, AND HEAVY RAINFALL
(UP TO 1-2"). LIGHT AND VARIABLE WINDS THIS MORNING ARE FORECAST
TO INCREASE FROM THE WEST AT 4-8MPH BEFORE TURNING ONSHORE WITH
THE EAST COAST SEA BREEZE INTO THE AFTERNOON AND EVENING.
DISPERSION VALUES WILL BE POOR TO FAIR. NO CRITICAL RH CONCERNS
ARE EXPECTED. AN AFTERNOON HIGH OF 93F DEGREES WITH HEAT INDEX
VALUES UP TO 108-112 ARE FORECAST.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........66 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
LATE IN THE MORNING, THEN SHIFTING TO THE SOUTH
EARLY IN THE AFTERNOON SHIFTING TO THE EAST IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......3100 FT AGL INCREASING TO 3700 FT AGL IN THE
AFTERNOON, THEN DECREASING TO 1700 FT AGL LATE
IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 9 MPH SHIFTING TO THE WEST
AROUND 6 MPH EARLY IN THE AFTERNOON, THEN
SHIFTING TO THE NORTH EARLY IN THE AFTERNOON
SHIFTING TO THE EAST 6 TO 8 MPH LATE IN THE
AFTERNOON.
DISPERSION INDEX....18.
LVORI...............4.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 22 30 23 31 39 48 53 49
WEATHER COV..... CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........ CHC CHC CHC CHC
CHC OF PCPN (%).0 0 0 10 10 40 50 50 40
TEMP............82 87 88 90 90 91 91 91 88
RH..............88 75 72 68 68 66 66 66 70
20 FT WIND DIR..SW SW SW S E E SE E SE
20 FT WIND SPD..3 3 5 5 5 5 5 5 5
20 FT WIND GUST.7 7 7 7 8 9 9 9 9
MIX HGT (KFT)...1.3 2.1 3.1 3.7 3.5 2.9 2.1 1.8 1.7
TRANSP WIND DIR.SW SW W W W N E E SE
TRANSP WIND SPD.9 7 6 5 6 6 6 7 8
DISPERSION IDX..14 18 22 21 22 21 17 14 15
LVORI...........4 3 3 3 3 3 3 3 3
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE
IN THE EVENING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 76.
MAX HUMIDITY........97 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 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 LATE IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 10 MPH.
DISPERSION INDEX....9 DECREASING TO 4 OVERNIGHT.
LVORI...............4 INCREASING TO 6 IN THE LATE EVENING AND
OVERNIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........50 45 43 41 46 40 46 45 34 24 24 19
WEATHER COV.....SCH SCH SCH
WEATHER TYPE....RW RW RW
TSTM COV........SCH SCH SCH
CHC OF PCPN (%).20 20 10 10 20 10 10 0 0 0 10 10
TEMP............88 87 84 83 82 81 80 79 79 78 78 77
RH..............70 72 80 82 82 85 88 88 88 91 91 94
20 FT WIND DIR..S S S S SW SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 5 3 3 3 3 3 3 2 2 3
20 FT WIND GUST.9 9 9 9 10 10 10 9 9 8 8 8
MIX HGT (KFT)...1.4 1.3 0.8 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW
TRANSP WIND SPD.7 8 9 10 8 8 7 8 7 8 7 7
DISPERSION IDX..13 12 5 5 4 4 3 4 3 4 3 3
LVORI...........3 3 4 4 5 5 5 6 6 6 6 6
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........64 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH IN THE
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 4000 FT AGL LATE IN
THE MORNING, THEN DECREASING TO 2100 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 5 TO 7 MPH SHIFTING TO THE SOUTHEAST 7 TO
9 MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....6 INCREASING TO 23.
LVORI...............7 DECREASING TO 3.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 29 24 9 6 7 12 17 32 32 21 26
WEATHER COV..... CHC CHC SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ CHC CHC SCH
CHC OF PCPN (%).0 0 0 0 0 0 0 10 30 30 10 20
TEMP............76 77 79 83 87 88 91 91 91 91 92 90
RH..............97 94 94 82 75 72 66 66 66 66 64 68
20 FT WIND DIR..SW SW SW SW W W E E E E SE SE
20 FT WIND SPD..2 2 2 2 3 3 5 6 6 6 7 7
20 FT WIND GUST.7 7 6 6 6 5 7 8 10 10 12 12
MIX HGT (KFT)...0.4 0.4 0.5 1.2 2.2 3.1 3.8 4.0 3.3 2.1 1.9 2.1
TRANSP WIND DIR.W SW W W W W S S E E SE SE
TRANSP WIND SPD.7 6 6 6 6 5 5 6 7 8 8 9
DISPERSION IDX..3 3 3 9 14 17 20 24 25 22 20 21
LVORI...........7 6 7 5 4 3 3 3 3 3 3 3
FORECASTER...FEHLING
REQUESTED BY...ROB ROSSMANITH
TYPE OF REQUEST...PRESCRIBED
.TAG 2619452.0/MLB
.DELDT 08/12/26
.FORMATTERVERSION 2.0.0
.EMAIL ROBIN.ROSSMANITH@FLORIDADEP.GOV
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