071
FNUS72 KMLB 040642
FWSMLB

Spot Forecast for JDSP B22...Florida Park Service
National Weather Service Melbourne FL
142 AM EST Thu Dec 4 2025

Forecast is based on ignition time of 0900 EST on December 04.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Conditions remain dry with partly cloudy skies. The
pressure gradient remains weak so expect light/variable winds gradually
becoming northeast to east at 5 to 8 mph today and southerly on Friday
up 10 mph with some higher gusts. Afternoon dispersion Poor to Fair
today becoming Fair to Generally Good into Friday. Widespread fog is
not forecast.

.REST OF TODAY...

Sky/weather.........Partly cloudy (40-50 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 79.
Min humidity........63 percent.
Wind (20 ft)........Light winds becoming northeast to east-northeast
                    5 to 8 mph.
Mixing height.......3000 ft AGL.
Transport winds.....Northeast 6 to 7 mph, but may be variable due to
                    the light pressure gradient.
Dispersion index....Increasing to around 26.
LVORI...............3 to 2.

TIME (EST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........35  39  53  51  43  36  39  32  45
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
Temp............73  76  77  78  78  78  78  78  77
RH..............73  68  66  63  64  64  63  63  66
20 FT wind dir..NE  NE  NE  NE  NE  E   NE  NE  NE
20 FT wind spd..5   6   6   7   7   7   7   6   6
20 FT wind gust.10  10  10  12  12  12  12  12  12
Mix hgt (kft)...1.4 2.6 2.7 3.0 2.9 2.7 2.5 2.5 1.5
Transp wind dir.NE  NE  E   NE  E   E   E   E   NE
Transp wind spd.6   7   7   7   7   7   7   7   7
Dispersion idx..12  23  24  26  25  25  22  21  15
LVORI...........3   3   3   2   2   2   2   2   3

.TONIGHT...

Sky/weather.........Partly to considerably cloudy (40-60 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 66.
Max humidity........91 percent.
Wind (20 ft)........East winds around 5 mph shifting to the
                    southeast 5 to 6 mph overnight.
Mixing height.......400 ft AGL.
Transport winds.....East 8 to 12 mph shifting to the southeast 9 to
                    10 mph after 3 am.
Dispersion index....As low as 4 to 5.
LVORI...............3 increasing to 5.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........44  51  51  48  41  45  37  54  44  32  31  26
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............74  73  71  71  70  69  69  68  67  68  68  68
RH..............71  74  81  81  83  86  85  88  91  88  90  89
20 FT wind dir..NE  NE  NE  NE  E   E   E   E   E   SE  SE  SE
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   6   5
20 FT wind gust.10  12  12  12  12  12  13  13  13  13  13  13
Mix hgt (kft)...0.9 0.6 0.6 0.6 0.6 0.5 0.5 0.6 0.5 0.5 0.6 0.4
Transp wind dir.NE  NE  E   E   E   E   E   E   E   SE  SE  SE
Transp wind spd.8   9   9   10  12  9   12  12  12  10  9   9
Dispersion idx..11  5   5   6   6   5   5   7   6   5   4   4
LVORI...........3   4   4   4   5   5   5   5   5   5   5   5

.FRIDAY...

Sky/weather.........Mostly sunny (15-25 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 83.
Min humidity........61 percent.
Wind (20 ft)........South winds 6 to 10 mph with higher gusts.
Mixing height.......2300 ft AGL increasing to 3400 ft AGL in the
                    late morning and afternoon.
Transport winds.....South 9 to 13 mph.
Dispersion index....Increasing to around 47.
LVORI...............5 decreasing to 1.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........28  32  9   15  20  21  21  22  24  26  28  29
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............68  68  70  74  78  79  81  82  82  82  82  80
RH..............88  90  88  80  71  69  66  62  62  61  61  65
20 FT wind dir..SE  SE  S   S   S   S   S   S   S   S   S   S
20 FT wind spd..6   6   6   7   8   9   10  10  10  9   8   7
20 FT wind gust.13  13  13  13  14  15  16  17  17  16  15  14
Mix hgt (kft)...0.5 0.5 1.5 2.3 2.9 3.3 3.4 3.3 3.2 2.9 2.5 1.8
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.9   10  10  12  13  13  13  13  13  13  12  10
Dispersion idx..4   9   24  36  44  47  43  41  40  39  35  24
LVORI...........5   5   4   3   3   2   1   1   1   1   1   3

$$
Forecaster...Sedlock
Requested by...Rob Rossmanith
Type of request...PRESCRIBED
.TAG 2527012.0/MLB
.DELDT 12/04/25
.FormatterVersion 2.0.0
.EMAIL robin.rossmanith@floridadep.gov