Spot Forecast
Issued by NWS Miami, FL

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Spot Forecast for SFWMD_North Twin Sisters...South Florida Water Management District
National Weather Service Miami FL
317 AM EDT Tue Jun 25 2024

Forecast is based on ignition time of 0900 EDT on June 25.
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...

Nearly calm winds early this morning will become west to southwest 5-10 mph
late this morning into the afternoon. The light winds will result in poor
to fair dispersions. Scattered showers and thunderstorms are expected this
afternoon into early evening, which may result in erratic winds. RH values
will remain well above critical thresholds.

.REST OF TODAY...

Sky/weather.........Partly sunny (55-65 percent). Slight chance of
                    showers and thunderstorms early in the
                    afternoon. Chance of showers and thunderstorms
                    late in the afternoon, then showers and
                    thunderstorms likely late in the afternoon.
Chance of pcpn......60 percent.
LAL.................No Tstms until 1400, then 9-15 strikes until
                    1700, then 16-25 strikes.
Max temperature.....Around 91.
Min humidity........66 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Mixing height.......4300 ft AGL.
Transport winds.....Southwest 3 to 9 mph shifting to the south
                    around 9 mph late in the afternoon.
Dispersion index....14 increasing to 31.
LVORI...............4.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........53  48  53  54  57  59  68  72  73
Weather cov.....                SCH CHC CHC CHC LKY
Weather type....                RW  RW  RW  RW  RW
Tstm cov........                SCH CHC CHC CHC LKY
Chc of pcpn (%).0   0   0   10  20  30  40  50  60
LAL.............1   1   1   1   1   3   3   3   4
Temp............80  84  85  86  87  89  89  88  89
RH..............95  83  81  74  72  66  66  68  68
20 FT wind dir..SW  SW  W   W   SW  SW  S   S   S
20 FT wind spd..1   2   2   2   2   3   3   3   3
20 FT wind gust.5   6   6   7   8   8   9   9   9
Mix hgt (kft)...1.7 2.4 3.2 3.6 4.0 4.3 3.7 3.1 2.4
Transp wind dir.W   W   W   W   W   W   SW  SW  S
Transp wind spd.3   5   5   5   5   6   7   9   9
Dispersion idx..9   13  18  19  19  26  31  32  29
LVORI...........6   4   3   3   3   3   2   3   3

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    partly cloudy (35-45 percent). Showers and
                    thunderstorms likely early in the evening, then
                    chance of showers and thunderstorms early in
                    the evening. Slight chance of showers and
                    thunderstorms late in the evening.
Chance of pcpn......70 percent.
LAL.................16-25 strikes until 2000, then 9-15 strikes
                    until 2300, then 1-8 strikes until 2400, then
                    No Tstms.
Min temperature.....Around 73.
Max humidity........100 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms early in the evening. Gusty
                    and erratic winds expected near thunderstorms
                    early in the evening, then gusty and erratic
                    winds expected near thunderstorms late in the
                    evening.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 6 to 9 mph.
Dispersion index....18 decreasing to 3 early in the evening.
LVORI...............6.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........78  80  85  78  75  70  61  49  39  37  30  29
Weather cov.....LKY LKY CHC CHC CHC SCH
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........LKY LKY CHC CHC CHC SCH
Chc of pcpn (%).60  70  50  40  30  20  10  10  0   0   0   0
LAL.............4   4   3   3   3   2   2   2   1   1   1   1
Temp............85  83  82  77  77  76  76  76  75  74  74  74
RH..............77  81  86  99  99  98  100 98  100 99  100 100
20 FT wind dir..SW  W   W   SW  W   W   W   SW  W   SW  W   W
20 FT wind spd..3   2   2   2   1   1   1   1   1   1   1   2
20 FT wind gust.9   8   8   8   7   6   6   5   6   6   7   7
Mix hgt (kft)...1.8 1.2 0.6 0.6 0.5 0.5 0.5 0.5 0.6 0.6 0.5 0.5
Transp wind dir.SW  SW  SW  SW  W   W   W   W   W   W   W   W
Transp wind spd.9   8   7   7   7   7   7   7   6   6   6   7
Dispersion idx..22  14  3   3   3   3   3   3   3   3   3   3
LVORI...........3   4   5   7   7   8   9   8   9   8   8   9

.WEDNESDAY...

Sky/weather.........Mostly sunny (45-55 percent). Chance of showers
                    and thunderstorms in the morning, then showers
                    and thunderstorms likely in the afternoon.
Chance of pcpn......70 percent.
LAL.................No Tstms until 0800, then 1-8 strikes until
                    1100, then 9-15 strikes until 1400, then 16-25
                    strikes.
Max temperature.....Around 91.
Min humidity........65 percent.
Wind (20 ft)........Light winds becoming west around 5 mph late in
                    the afternoon. Gusty and erratic winds expected
                    near thunderstorms early in the morning. Gusty
                    and erratic winds expected near thunderstorms
                    late in the morning.
Mixing height.......3700 ft AGL.
Transport winds.....West 7 to 10 mph.
Dispersion index....6 increasing to 17 late in the morning, then
                    increasing to 27 late in the morning increasing
                    to 34 late in the morning decreasing to 26.
LVORI...............6.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........32     40     49     61     66     65
Weather cov.....       CHANCE CHANCE CHANCE LIKELY LIKELY
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........       S CHC  S CHC  CHANCE LIKELY LIKELY
Chc of pcpn (%).0      40     40     40     70     70
LAL.............1      2      2      3      4      4
Temp............73     76     84     88     89     90
RH..............100    95     81     71     65     67
20 FT wind dir..W      W      W      W      W      W
20 FT wind spd..2      2      2      3      3      5
20 FT wind gust.7      7      7      9      10     10
Mix hgt (ft)....600    800    2300   3200   3700   2500
Transport wind..W 7    W 8    W 9    W 10   W 9    SW 10
Dispersion idx..3      8      27     37     32     28
LVORI...........9      7      4      3      2      2

$$
Forecaster...Fisher
Requested by...Andrew West
Type of request...PRESCRIBED
.TAG 2416613.0/MFL
.DELDT 06/25/24
.FormatterVersion 2.0.0