621
FNUS72 KMFL 201227
FWSMFL

Spot Forecast for Brighton Rx...Seminole Tribe of Florida
National Weather Service Miami FL
827 AM EDT Mon Jul 20 2026

Forecast is based on ignition time of 0900 EDT on July 20.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (305) 229-4522, if you have questions
or concerns with this forecast.

.DISCUSSION...

Breezy to gusty southerly flow is forecast at the burn site today with
the potential of shower and thunderstorm activity, bringing hazards such
as heavy rainfall, frequent lightning, and strong wind gusts. Erratic wind
shifts are possible in and around shower and thunderstorm activity which may
result in erratic fire behavior. Dispersions will increase into the good range
during the afternoon hours as winds remain breezy to gusty at times. Relative
humidity values will remain above critical thresholds.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent). Slight chance of
                    showers and thunderstorms early in the
                    afternoon. Chance of showers and thunderstorms
                    late in the afternoon.
Chance of pcpn......50 percent.
Max temperature.....Around 93.
Min humidity........58 percent.
Wind (20 ft)........South winds 8 to 9 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......3900 ft AGL.
Transport winds.....South 13 to 17 mph.
Dispersion index....38 increasing to 56 in the late morning and
                    afternoon, then decreasing to 45 late in the
                    afternoon.
LVORI...............3.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19  25  26  36  31  39  43  42  50
Weather cov.....                SCH CHC CHC CHC CHC
Weather type....                RW  RW  RW  RW  RW
Tstm cov........                SCH CHC CHC CHC CHC
Chc of pcpn (%).10  10  10  10  20  30  40  50  30
Temp............81  86  88  90  91  91  91  91  92
RH..............91  80  72  68  64  64  62  62  58
20 FT wind dir..S   S   S   S   S   S   S   S   S
20 FT wind spd..8   8   9   9   9   9   9   8   8
20 FT wind gust.17  17  18  20  20  20  20  18  18
Mix hgt (kft)...1.9 2.6 3.1 3.5 3.8 3.9 3.8 3.6 3.1
Transp wind dir.S   S   S   S   S   S   S   S   S
Transp wind spd.16  16  17  17  16  16  15  14  13
Dispersion idx..38  51  57  60  59  60  56  57  45
LVORI...........4   3   3   1   1   1   1   1   1

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (35-45 percent). Chance of
                    showers and thunderstorms early in the evening.
Chance of pcpn......30 percent.
Min temperature.....Around 75.
Max humidity........90 percent.
Wind (20 ft)........South winds 5 to 8 mph early in the evening
                    becoming light, then becoming south 5 to 7 mph
                    overnight. Gusty and erratic winds expected
                    near thunderstorms early in the evening.
Mixing height.......400 ft AGL.
Transport winds.....South 9 to 14 mph.
Dispersion index....33 decreasing to 8.
LVORI...............4.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........48  55  49  44  39  50  41  34  40  41  38  32
Weather cov.....CHC CHC
Weather type....RW  RW
Tstm cov........CHC CHC
Chc of pcpn (%).30  30  10  0   0   0   0   0   0   0   0   0
Temp............89  88  86  82  81  80  79  79  78  77  77  77
RH..............64  66  70  77  79  82  85  85  88  90  90  90
20 FT wind dir..SE  S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..8   6   5   3   3   3   3   3   5   5   6   7
20 FT wind gust.17  15  14  13  13  13  13  14  16  16  16  16
Mix hgt (kft)...2.4 1.5 0.7 0.5 0.4 0.5 0.5 0.4 0.5 0.4 0.4 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.12  10  9   9   9   9   9   10  10  12  13  14
Dispersion idx..33  20  7   6   6   7   6   6   6   8   7   9
LVORI...........2   3   3   4   4   4   5   5   5   5   5   5

.TUESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 95.
Min humidity........51 percent.
Wind (20 ft)........South winds 7 to 8 mph.
Mixing height.......5300 ft AGL.
Transport winds.....South 9 to 14 mph.
Dispersion index....11 increasing to 58.
LVORI...............3.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........33     23     43     28     30     21
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      10     10
Temp............76     78     86     90     93     94
RH..............90     94     77     66     56     53
20 FT wind dir..S      S      S      S      S      S
20 FT wind spd..7      8      8      8      8      7
20 FT wind gust.16     16     16     16     16     15
Mix hgt (ft)....600    1200   2900   4200   4600   5300
Transport wind..S 14   S 14   S 14   S 13   S 12   S 10
Dispersion idx..11     22     46     60     60     60
LVORI...........5      5      3      1      1      1

$$
Forecaster...Hadi
Requested by...Mike Lightsey
Type of request...PRESCRIBED
.TAG 2617792.0/MFL
.DELDT 07/20/26
.FormatterVersion 2.0.0