386
FNUS72 KMLB 180827
FWSMLB

Spot Forecast for SSR 6-12 RX...FDEP
National Weather Service Melbourne FL
427 AM EDT Wed Jun 18 2025

Forecast is based on ignition time of 0600 EDT on June 18.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

There are no fire weather concerns near the burn site today.
Minimum RH values remain well above critical thresholds at 60 to
65 percent. Light southerly winds are forecast this morning,
becoming southeasterly and increasing to 10 to 15 mph as the east
coast sea breeze develops and moves inland over the burn site.
Gusts to 20 mph will be possible at times. Afternoon smoke
dispersion values are forecast to be good. Mostly dry
conditions are anticipated near the burn site, though there is a
low chance (20 percent) for an isolated shower or storm. However,
confidence in any development remains low. There continues to be
no fire weather concerns on Thursday, with relatively similar
weather conditions. Slightly greater rain chances are forecast on
Thursday (30 percent), but confidence still remains low in
development near the burn site.

.TODAY...

Sky/weather.........Sunny (20-30 percent). Slight chance of showers
                    and thunderstorms early in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 90.
Min humidity........60 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph shifting to the
                    east 13 to 14 mph in the afternoon. Gusty and
                    erratic winds expected near thunderstorms early
                    in the afternoon.
Mixing height.......800 ft AGL increasing to 4400 ft AGL in the
                    late morning and afternoon.
Transport winds.....Southeast 7 to 16 mph.
Dispersion index....4 increasing to 50.
LVORI...............6 decreasing to 1.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14  13  19  23  28  20  26  32  20  21  20  16
Weather cov.....                                SCH
Weather type....                                RW
Tstm cov........                                SCH
Chc of pcpn (%).0   0   0   0   0   0   10  10  20  10  10  10
Temp............75  74  79  82  86  88  89  90  89  89  90  88
RH..............94  98  87  77  68  64  61  60  60  61  61  64
20 FT wind dir..S   S   SE  S   SE  SE  SE  E   E   E   E   SE
20 FT wind spd..5   5   5   6   7   9   10  13  14  14  14  14
20 FT wind gust.9   9   9   10  12  14  16  18  20  20  20  18
Mix hgt (kft)...0.4 0.4 0.8 2.8 3.8 4.4 4.4 4.2 4.0 3.9 3.6 3.2
Transp wind dir.S   S   S   S   S   SE  SE  SE  SE  E   SE  SE
Transp wind spd.8   7   9   12  10  9   12  13  14  15  15  16
Dispersion idx..4   3   9   36  41  43  49  44  48  49  48  50
LVORI...........6   8   5   3   2   1   1   1   1   1   1   1

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 75.
Max humidity........95 percent.
Wind (20 ft)........Southeast winds 5 to 14 mph in the evening and
                    overnight becoming light.
Mixing height.......2400 ft AGL decreasing to 400 ft AGL early in
                    the evening.
Transport winds.....Southeast 14 to 16 mph shifting to the south 7
                    to 13 mph overnight.
Dispersion index....45 decreasing to 4.
LVORI...............1 increasing to 6.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........14     31     27     25     14     15
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).10     0      0      10     0      0
Temp............88     83     81     80     78     77
RH..............65     74     79     81     87     89
20 ft wind......SE 14  SE 10  SE 8   SE 6   S 5    S 3
20 ft wind gust.20     17     14     12     10     8
Mix hgt (ft)....2900   900    400    500    400    400
Transport wind..E 16   SE 15  SE 14  S 14   S 10   S 8
Dispersion idx..45     11     9      7      5      4
LVORI...........1      3      4      4      5      6

.JUNETEENTH...

Sky/weather.........Sunny (15-25 percent). Chance of showers and
                    thunderstorms late in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 91.
Min humidity........58 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 13 mph in
                    the late morning and afternoon. Gusty and
                    erratic winds expected near thunderstorms late
                    in the afternoon.
Mixing height.......1900 ft AGL increasing to 3900 ft AGL in the
                    late morning and afternoon.
Transport winds.....Southeast 6 to 13 mph.
Dispersion index....3 increasing to 43.
LVORI...............7 decreasing to 1.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........24     13     19     20     29     30
Weather cov.....                            CHANCE CHANCE
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........                            CHANCE CHANCE
Chc of pcpn (%).0      10     10     10     30     30
Temp............76     78     85     89     90     89
RH..............92     89     71     62     58     61
20 ft wind......S 3    S 2    SE 5   SE 9   E 12   SE 13
20 ft wind gust.7      7      9      13     17     17
Mix hgt (ft)....400    1100   2700   3700   3900   3500
Transport wind..S 6    S 6    SE 7   SE 9   SE 13  SE 13
Dispersion idx..3      7      21     37     43     43
LVORI...........7      5      3      1      1      1

$$
Forecaster...Tollefsen
Requested by...Burn Boss
Type of request...PRESCRIBED
.TAG 2516156.0/MLB
.DELDT 06/18/25
.FormatterVersion 2.0.0
.EMAIL patrick.sullivan@floridadep.gov