Spot Forecast
Issued by NWS Miami, FL

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Spot Forecast for CE 27 Brighton 8/18...Seminole Tribe of Florida
National Weather Service Miami FL
834 AM EDT Mon Aug 18 2025

Forecast is based on ignition time of 0900 EDT on August 18.
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...Light easterly winds today, however winds may be erratic
at times this afternoon when convection begins to develop. Dry this morning
and then scattered thunderstorms this afternoon into early evening.
Dispersions will be poor today. RH values will remain above critical
thresholds.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 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 95.
Min humidity........53 percent.
Wind (20 ft)........Light winds becoming east around 5 mph late in
                    the afternoon. Gusty and erratic winds expected
                    near thunderstorms late in the afternoon.
Mixing height.......4900 ft AGL.
Transport winds.....East 3 to 7 mph.
Dispersion index....11 increasing to 23 late in the morning.
LVORI...............4.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3   2   3   6   9   18  25  33  44
Weather cov.....                    SCH CHC CHC CHC
Weather type....                    RW  RW  RW  RW
Tstm cov........                    SCH CHC CHC CHC
Chc of pcpn (%).0   0   0   0   10  20  30  40  50
Temp............82  87  89  91  92  93  93  94  92
RH..............88  75  68  62  58  56  54  53  58
20 FT wind dir..E   E   E   E   E   E   E   E   E
20 FT wind spd..2   2   2   2   3   3   3   3   5
20 FT wind gust.5   6   7   6   7   8   9   10  12
Mix hgt (kft)...1.3 2.4 3.4 4.2 4.7 4.9 4.7 4.1 3.3
Transp wind dir.E   E   E   E   NE  NE  NE  NE  NE
Transp wind spd.5   5   5   5   3   5   5   6   7
Dispersion idx..8   13  18  21  22  25  27  27  26
LVORI...........5   3   3   2   2   2   2   2   2

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (45-55 percent) then becoming
                    partly cloudy (20-30 percent). Chance of
                    showers and thunderstorms early in the evening,
                    then slight chance of showers and thunderstorms
                    early in the evening.
Chance of pcpn......50 percent.
Min temperature.....Around 75.
Max humidity........94 percent.
Wind (20 ft)........Northeast winds around 5 mph becoming light.
                    Gusty and erratic winds expected near
                    thunderstorms early in the evening.
Mixing height.......400 ft AGL.
Transport winds.....Northeast 5 to 10 mph.
Dispersion index....22 decreasing to 5 early in the evening.
LVORI...............5.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........47  52  45  43  26  41  41  29  16  10  11  7
Weather cov.....CHC CHC SCH
Weather type....RW  RW  RW
Tstm cov........CHC CHC SCH
Chc of pcpn (%).50  50  20  10  10  10  0   0   0   0   0   0
Temp............89  87  82  81  80  79  79  78  77  77  76  76
RH..............64  68  79  82  85  88  88  88  90  90  90  94
20 FT wind dir..NE  NE  NE  NE  N   N   NE  N   N   N   N   N
20 FT wind spd..5   5   3   3   3   2   2   2   2   2   2   2
20 FT wind gust.13  13  13  12  10  8   8   7   7   7   7   8
Mix hgt (kft)...2.4 1.5 0.8 0.5 0.4 0.5 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NE  NE  E   E   NE  NE  NE  NE  N   N   N   N
Transp wind spd.8   10  10  9   8   6   5   5   5   5   6   6
Dispersion idx..24  20  8   5   4   3   2   2   2   2   3   3
LVORI...........3   3   4   5   6   6   6   7   7   7   7   7

.TUESDAY...

Sky/weather.........Sunny (15-25 percent). Chance of showers and
                    thunderstorms late in the afternoon.
Chance of pcpn......50 percent.
Max temperature.....Around 93.
Min humidity........62 percent.
Wind (20 ft)........Light winds becoming north 5 to 7 mph late in
                    the morning. Gusty and erratic winds expected
                    near thunderstorms late in the morning.
Mixing height.......5100 ft AGL.
Transport winds.....North 6 to 13 mph.
Dispersion index....5 increasing to 14 late in the morning, then
                    increasing to 29 late in the morning increasing
                    to 44 late in the morning increasing to 62
                    increasing to 66 late in the afternoon
                    decreasing to 52.
LVORI...............5.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........5      4      6      16     32     38
Weather cov.....       S CHC  S CHC  S CHC  CHANCE CHANCE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........                     S CHC  CHANCE CHANCE
Chc of pcpn (%).0      10     10     10     50     50
Temp............76     77     85     90     91     90
RH..............94     94     80     64     62     62
20 FT wind dir..N      N      N      N      N      N
20 FT wind spd..3      3      3      5      6      7
20 FT wind gust.8      9      10     13     14     16
Mix hgt (ft)....300    500    2600   4500   5100   4000
Transport wind..N 6    N 7    N 8    N 10   N 12   N 13
Dispersion idx..3      7      29     58     70     62
LVORI...........7      8      3      1      1      1

$$
Forecaster...Fisher
Requested by...Mike Lightsey
Type of request...PRESCRIBED
.TAG 2520129.0/MFL
.DELDT 08/18/25
.FormatterVersion 2.0.0