894
FNUS72 KMLB 200750
FWSMLB
SPOT FORECAST FOR SFWMD - LAKE KISSIMMEE ISLANDS...SFWMD
NATIONAL WEATHER SERVICE MELBOURNE FL
350 AM EDT FRI MAR 20 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON MARCH 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE TO THE NORTH WILL MAINTAIN ELEVATED WIND SPEEDS
AROUND 12-15 MPH OUT OF THE NORTHEAST TODAY, WITH GUSTS UP TO
20-25 MPH. DRY CONDITIONS WILL ALSO LEAD TO MIN RH VALUES FALLING
TO AROUND 35-40 PERCENT. THE SLIGHTLY BREEZY WINDS AND LOWER
RH VALUES WILL PRODUCE NEAR-CRITICAL FIRE WEATHER CONDITIONS AT
THE BURN SITE TODAY. THE GUSTY WINDS AND HIGHER DISPERSION VALUES
MAY ALSO LEAD TO CONTROL ISSUES.
WINDS DIMINISH TO 5-10 MPH INTO THE WEEKEND, BUT SENSITIVE FIRE
WEATHER CONDITIONS CONTINUE AS A DRY AIRMASS PRODUCES CRITICALLY
LOW MIN RH VALUES IN THE UPPER 20S TO LOW 30S EACH AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 12 TO 14 MPH.
MIXING HEIGHT.......5400 FT AGL INCREASING TO 6400 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....NORTH 15 TO 17 MPH.
DISPERSION INDEX....64 INCREASING TO 72 IN THE AFTERNOON.
LVORI...............1.
TIME (EDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........12 14 16 23 18 17 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0
TEMP............67 70 72 72 72 73 73
RH..............63 53 48 40 37 36 36
20 FT WIND DIR..NE NE NE NE NE NE NE
20 FT WIND SPD..13 13 13 12 12 12 12
20 FT WIND GUST.21 21 21 21 21 22 20
MIX HGT (KFT)...3.5 4.6 5.4 6.0 6.2 6.2 6.4
TRANSP WIND DIR.N N N N N N N
TRANSP WIND SPD.17 16 16 16 15 15 15
DISPERSION IDX..60 64 68 72 68 70 68
LVORI...........1 1 1 1 1 1 1
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 400 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 15 MPH.
DISPERSION INDEX....74 DECREASING TO 6.
LVORI...............1 INCREASING TO 7.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........13 10 12 9 6 3 3 3 3 3 4 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............71 70 66 64 62 60 59 58 57 55 55 54
RH..............46 49 61 70 75 84 83 83 90 96 93 96
20 FT WIND DIR..NE NE NE NE N N N N N N N N
20 FT WIND SPD..10 9 8 7 7 6 6 5 5 5 5 5
20 FT WIND GUST.17 16 14 12 12 9 9 7 6 6 6 7
MIX HGT (KFT)...5.2 2.8 1.0 1.1 0.9 0.5 0.5 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N NE NE N N N N N N N N N
TRANSP WIND SPD.14 15 14 14 14 12 12 10 9 7 6 6
DISPERSION IDX..74 51 9 6 6 5 5 4 4 3 3 3
LVORI...........1 1 3 3 4 4 5 5 6 7 7 7
SATURDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
MORNING BECOMING LIGHT, THEN BECOMING NORTH
AROUND 5 MPH LATE IN THE MORNING BECOMING
LIGHT.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 5800 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 7 MPH.
DISPERSION INDEX....6 INCREASING TO 37.
LVORI...............8 DECREASING TO 1.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 7 9 3 2 1 2 3 4 4 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 54 54 57 62 68 71 73 75 76 77 77
RH..............100 96 96 93 75 57 47 41 36 34 32 32
20 FT WIND DIR..N N NW N N N N N N NW NW NW
20 FT WIND SPD..5 5 5 3 3 5 5 3 3 3 3 3
20 FT WIND GUST.7 7 7 7 7 8 8 9 10 10 9 8
MIX HGT (KFT)...0.4 0.4 0.4 1.0 1.7 2.4 3.2 4.0 4.7 5.4 5.8 5.5
TRANSP WIND DIR.N N N N N N N N N NW NW NW
TRANSP WIND SPD.7 7 7 6 6 6 6 6 6 6 6 6
DISPERSION IDX..3 3 3 8 13 21 28 30 34 38 38 36
LVORI...........8 7 7 5 3 2 2 1 1 1 1 1
FORECASTER...WEITLICH
REQUESTED BY...JIM BLUSH
TYPE OF REQUEST...PRESCRIBED
.TAG 2606588.0/MLB
.DELDT 03/20/26
.FORMATTERVERSION 2.0.0
.EMAIL JBLUSH@SFWMD.GOV
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