208
FNUS72 KMLB 130605
FWSMLB
SPOT FORECAST FOR RKS-054B-ETHEL...WEKIVA SPRINGS STATE PARK
NATIONAL WEATHER SERVICE MELBOURNE FL
205 AM EDT FRI MAR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MARCH 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
BRIEFLY DRIER AIR FILTERS INTO CENTRAL FLORIDA TODAY, LEADING TO
A RAIN-FREE FORECAST. WINDS OUT OF THE NORTHEAST WILL SHIFT FROM
THE EAST THIS AFTERNOON WITH A FEW GUSTS TO AROUND 15-18 MPH. MIN
RH CONCERNS ARE NOT ANTICIPATED, AND PEAK DISPERSION BECOMES GOOD
THIS AFTERNOON. RAIN AND STORM CHANCES INCREASE THIS WEEKEND.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 10 MPH.
MIXING HEIGHT.......3300 FT AGL INCREASING TO 4700 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....EAST 7 TO 16 MPH.
DISPERSION INDEX....37 INCREASING TO 48 LATE IN THE MORNING, THEN
DECREASING TO 40 IN THE AFTERNOON.
LVORI...............4 DECREASING TO 1 IN THE AFTERNOON.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........37 21 29 34 34 37 39 37 43
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10
TEMP............64 69 72 76 78 79 80 80 81
RH..............93 84 76 69 67 62 60 60 58
20 FT WIND DIR..NE NE E E E E E E E
20 FT WIND SPD..8 8 10 9 9 8 7 8 8
20 FT WIND GUST.17 17 16 15 14 13 13 13 13
MIX HGT (KFT)...1.7 2.7 3.3 4.0 4.4 4.6 4.7 4.7 4.0
TRANSP WIND DIR.NE E E E E E E E E
TRANSP WIND SPD.16 16 14 12 9 7 7 8 8
DISPERSION IDX..37 52 46 43 42 40 41 42 38
LVORI...........4 4 3 3 1 1 1 1 1
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 64.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
LIGHT.
MIXING HEIGHT.......2200 FT AGL DECREASING TO 600 FT AGL EARLY IN
THE EVENING.
TRANSPORT WINDS.....EAST 9 TO 13 MPH.
DISPERSION INDEX....32 DECREASING TO 6 EARLY IN THE EVENING.
LVORI...............1 INCREASING TO 7.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........42 40 44 44 41 46 49 52 50 43 48 48
WEATHER COV..... SCH
WEATHER TYPE.... RW
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0 10 10 20
TEMP............79 77 75 71 70 69 68 67 67 66 66 65
RH..............62 67 71 81 84 87 90 93 93 93 93 97
20 FT WIND DIR..E E E E E NE E E NE NE NE NE
20 FT WIND SPD..9 8 6 6 5 5 3 3 2 2 2 2
20 FT WIND GUST.14 15 13 12 10 9 8 7 7 7 7 7
MIX HGT (KFT)...3.2 2.2 1.1 1.3 1.2 0.7 0.7 0.6 0.7 0.7 0.8 0.6
TRANSP WIND DIR.E E E E E E E E E E E E
TRANSP WIND SPD.9 12 12 13 12 10 10 9 9 9 9 9
DISPERSION IDX..31 32 8 8 8 5 5 4 4 5 5 4
LVORI...........1 3 3 4 4 5 6 6 6 6 6 7
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING, THEN CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS LATE IN
THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........67 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 4100 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....EAST 7 TO 15 MPH.
DISPERSION INDEX....5 INCREASING TO 16 LATE IN THE MORNING, THEN
INCREASING TO 29 LATE IN THE MORNING INCREASING
TO 47 LATE IN THE MORNING DECREASING TO 40
INCREASING TO 61 LATE IN THE AFTERNOON.
LVORI...............8 DECREASING TO 1.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 61 62 63 61 59 61 63 65 62 59 56
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).20 30 30 30 30 30 30 30 40 40 40 40
TEMP............65 66 65 66 70 74 75 77 78 78 78 78
RH..............97 93 97 100 90 82 79 74 69 69 67 67
20 FT WIND DIR..NE NE NE E E E E E E E E E
20 FT WIND SPD..2 3 3 5 6 6 7 8 8 8 8 8
20 FT WIND GUST.7 7 7 9 12 13 14 15 16 16 16 15
MIX HGT (KFT)...0.6 0.7 0.7 1.4 2.1 2.7 3.4 3.9 4.1 4.1 3.7 3.2
TRANSP WIND DIR.E E E E E E E E E E E E
TRANSP WIND SPD.9 7 7 9 12 14 15 14 14 14 15 15
DISPERSION IDX..4 3 6 16 29 42 50 51 39 40 41 61
LVORI...........8 6 6 5 4 3 3 2 3 2 1 1
FORECASTER...HEIL
REQUESTED BY...PAUL LAMMARDO
TYPE OF REQUEST...PRESCRIBED
.TAG 2605528.0/MLB
.DELDT 03/13/26
.FORMATTERVERSION 2.0.0
.EMAIL PAUL.LAMMARDO@FLORIDADEP.GOV
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