432
FNUS72 KMLB 051000
FWSMLB

Spot Forecast for BC 9  416...SJRWMD
National Weather Service Melbourne FL
500 AM EST Fri Dec 5 2025

Forecast is based on ignition time of 0800 EST on December 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Dry today with no mentionable rain chances. South winds at the start
of the burn will shift southwest around 10 mph by late morning. Smoke
dispersion is forecast to become generally good by late morning.
Patchy fog will be possible at or near the burn site late tonight and
into early Saturday morning.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 84.
Min humidity........54 percent.
Wind (20 ft)........Southwest winds 6 to 10 mph.
Mixing height.......1800 ft AGL increasing to 3800 ft AGL late in
                    the morning, then decreasing to 900 ft AGL late
                    in the afternoon.
Transport winds.....Southwest 9 to 16 mph.
Dispersion index....7 increasing to 51 late in the morning increasing
to 55 decreasing to 9 late in the afternoon.
LVORI...............6 decreasing to to 1 late in the morning increasing
                    to 3 late in the afternoon.

TIME (EST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........12  13  24  26  31  30  28  24  17  19
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Temp............65  71  75  79  81  82  83  83  84  80
RH..............94  82  77  67  62  58  56  56  54  60
20 FT wind dir..S   S   S   SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..6   7   9   10  10  10  10  9   8   6
20 FT wind gust.12  13  15  16  17  17  17  15  13  12
Mix hgt (kft)...0.5 1.0 1.8 2.5 3.2 3.6 3.7 3.8 3.4 0.9
Transp wind dir.S   S   S   S   SW  SW  SW  SW  SW  SW
Transp wind spd.10  14  16  16  16  15  15  14  13  9
Dispersion idx..7   18  37  47  52  54  52  57  53  9
LVORI...........6   4   3   1   1   1   1   1   1   3

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (45-55 percent). Patchy fog after
                    3 am.
Chance of pcpn......0 percent.
Min temperature.....Around 62.
Max humidity........100 percent.
Wind (20 ft)........Southwest winds around 5 mph early in the
                    evening becoming light.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 7 to 9 mph.
Dispersion index....4.
LVORI...............3 increasing to 9.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........15  14  11  17  13  13  23  31  39  35  45  51
Weather cov.....                                    PTY PTY PTY
Weather type....                                    FOG FOG FOG
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............77  74  70  68  67  66  65  64  64  64  64  64
RH..............67  73  81  87  90  93  97  100 100 100 100 100
20 FT wind dir..SW  SW  SW  SW  W   SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   3   3   3   3   3   2   2   2   2   2   2
20 FT wind gust.9   8   7   7   7   7   6   6   6   6   6   6
Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.W   W   W   W   W   W   W   W   W   SW  SW  SW
Transp wind spd.8   8   9   8   8   8   7   7   7   7   7   7
Dispersion idx..5   4   4   4   4   4   3   3   3   3   3   3
LVORI...........3   3   5   6   6   6   8   9   9   9   9   9

.SATURDAY...

Sky/weather.........Mostly sunny (40-50 percent). Patchy fog early
                    in the morning. Slight chance of showers in the
                    afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 84.
Min humidity........62 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 9 mph in
                    the late morning and afternoon.
Mixing height.......1700 ft AGL increasing to 4600 ft AGL.
Transport winds.....Southwest 6 to 13 mph.
Dispersion index....5 increasing to 36 late in the morning increasing
to 50 increasing to 58 late in the afternoon
                    decreasing to 40.
LVORI...............9 decreasing to 2.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........59  62  42  40  37  34  31  29  30  33  36  38
Weather cov.....PTY PTY                     SCH SCH SCH SCH SCH
Weather type....FOG FOG                     RW  RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   20  20  20  20  20
Temp............64  63  66  70  75  77  80  82  82  82  82  79
RH..............100 100 100 95  84  78  72  64  64  62  62  68
20 FT wind dir..SW  S   SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..2   2   3   5   6   7   8   9   9   9   8   7
20 FT wind gust.6   7   7   8   10  13  14  15  15  14  13  12
Mix hgt (kft)...0.4 0.4 0.6 1.1 1.7 2.5 3.4 4.0 4.5 4.6 4.3 3.1
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  W   W   W
Transp wind spd.7   6   8   9   9   10  10  12  13  13  13  12
Dispersion idx..3   3   6   13  23  36  46  48  52  53  58  40
LVORI...........9   9   8   5   4   3   3   1   1   1   1   2

$$
Forecaster...Law
Requested by...Doug Voltolina
Type of request...PRESCRIBED
.TAG 2527054.0/MLB
.DELDT 12/05/25
.FormatterVersion 2.0.0
.EMAIL dvoltoli@sjrwmd.com