267
FNUS72 KMLB 230745
FWSMLB
SPOT FORECAST FOR ALLAPATTAH D RX BURN...SFWMD
NATIONAL WEATHER SERVICE MELBOURNE FL
245 AM EST TUE DEC 23 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 EST ON DECEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GOOD MORNING. WINDS WILL VEER MORE EASTERLY TODAY AND DECREASE TO
AROUND 10 MPH AS THE PRESSURE GRADIENT SLACKENS ACROSS THE LOCAL
AREA. WINDS WILL THEN BECOME NORTHEAST ON WEDNESDAY AND FURTHER
DECREASE TO 5-10 MPH AS HIGH PRESSURE ACROSS THE GULF CONTINUES TO
BUILD OVER FLORIDA. ISOLATED ONSHORE MOVING SHOWERS ARE FORECAST
TODAY INTO TONIGHT, WITH MOSTLY DRY CONDITIONS FORECAST WEDNESDAY.
NO MIN RH CONCERNS THROUGH MIDWEEK. AFTERNOON SMOKE DISPERSION
VALUES WILL GENERALLY GOOD TODAY AND WEDNESDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 3700 FT AGL IN THE
LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....EAST 12 TO 18 MPH.
DISPERSION INDEX....13 INCREASING TO 38 LATE IN THE MORNING, THEN
INCREASING TO 53 IN THE LATE MORNING AND EARLY
AFTERNOON DECREASING TO 43 LATE IN THE
AFTERNOON DECREASING TO 30.
LVORI...............5 DECREASING TO 2.
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........36 32 34 40 50 46 47 44 40 39 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 10 10 10 10 10
TEMP............65 67 71 76 77 78 79 78 78 77 75
RH..............87 85 80 66 64 62 59 60 58 59 64
20 FT WIND DIR..E E E E E E E E E E E
20 FT WIND SPD..8 9 10 10 12 12 12 10 10 9 7
20 FT WIND GUST.16 16 16 17 17 17 17 16 16 15 14
MIX HGT (KFT)...0.7 0.8 2.0 3.0 3.3 3.5 3.7 3.7 3.6 3.5 2.2
TRANSP WIND DIR.E E E E E E E E E E E
TRANSP WIND SPD.13 14 15 18 17 15 14 13 12 13 12
DISPERSION IDX..11 14 38 57 57 52 49 45 41 42 30
LVORI...........5 4 3 1 1 1 1 1 1 1 2
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........94 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 6 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 7 TO 10 MPH.
DISPERSION INDEX....9 DECREASING TO 4 IN THE LATE EVENING AND
OVERNIGHT.
LVORI...............3 INCREASING TO 6 EARLY IN THE EVENING.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........25 20 22 25 17 23
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 0 0 0 0 0
TEMP............72 67 65 63 62 61
RH..............68 81 87 87 90 91
20 FT WIND......NE 6 NE 3 NE 2 NE 2 N 2 N 2
20 FT WIND GUST.13 9 8 8 8 8
MIX HGT (FT)....900 500 400 400 400 400
TRANSPORT WIND..E 10 NE 9 NE 7 NE 7 N 8 N 8
DISPERSION IDX..13 4 3 3 4 4
LVORI...........3 5 5 6 6 6
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 10 MPH
EARLY IN THE MORNING.
MIXING HEIGHT.......1200 FT AGL INCREASING TO 3500 FT AGL LATE IN
THE MORNING, THEN INCREASING TO 5200 FT AGL
LATE IN THE MORNING DECREASING TO 2800 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 7 TO 13 MPH.
DISPERSION INDEX....4 INCREASING TO 16 EARLY IN THE MORNING, THEN
INCREASING TO 33 LATE IN THE MORNING INCREASING
TO 50 LATE IN THE MORNING INCREASING TO 59
DECREASING TO 45 LATE IN THE AFTERNOON
DECREASING TO 35.
LVORI...............7 DECREASING TO 5 EARLY IN THE MORNING, THEN
DECREASING TO 3 LATE IN THE MORNING DECREASING
TO 1 LATE IN THE MORNING INCREASING TO 3.
TIME (EST) 6 AM 9 AM NOON 3 PM
SKY (%).........19 10 20 21
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............59 68 77 77
RH..............92 81 62 59
20 FT WIND......N 3G9 N 6G12 NE 9G13 NE 9G14
MIX HGT (FT)....300 2400 5000 4600
TRANSPORT WIND..N 7 NE 12 NE 13 NE 10
DISPERSION IDX..3 33 57 43
LVORI...........7 3 1 1
FORECASTER...WATSON
REQUESTED BY...DOUGLAS ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2528036.0/MLB
.DELDT 12/23/25
.FORMATTERVERSION 2.0.0
.EMAIL DROGERS@SFWMD.GOV
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