375
FNUS72 KMFL 181343
FWSMFL

Spot Forecast for west grasshopper...Lykes
National Weather Service Miami FL
943 AM EDT Tue Aug 18 2026

Forecast is based on ignition time of 1000 EDT on August 19.
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.

...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING...

.DISCUSSION...
Hot and dry conditions continue today. Light winds this morning
will increase from the southeast to around 10 mph this afternoon. Max
dispersions will be generally good. Min RH values this afternoon will
fall into the low 40 percent range.

.WEDNESDAY...

Sky/weather.........Mostly sunny (30-40 percent) then becoming
                    partly sunny (60-70 percent). Slight chance of
                    showers and thunderstorms early in the
                    afternoon. Showers and thunderstorms likely
                    late in the afternoon.
Chance of pcpn......70 percent.
Max temperature.....Around 96.
Min humidity........58 percent.
Wind (20 ft)........Light winds becoming west around 5 mph early in
                    the afternoon, then becoming light late in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....Northwest 7 to 8 mph.
Dispersion index....25 increasing to 40 late in the morning, then
                    decreasing to 32 late in the afternoon.
LVORI...............2.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14  16  32  42  58  72  70  60
Weather cov.....            SCH LKY LKY LKY LKY
Weather type....            RW  RW  RW  RW  RW
Tstm cov........            SCH LKY LKY LKY LKY
Chc of pcpn (%).0   0   0   20  60  60  70  60
Temp............88  90  92  93  94  93  94  91
RH..............77  70  64  62  58  60  58  64
20 FT wind dir..W   NW  W   W   W   W   NW  NW
20 FT wind spd..3   3   5   5   5   3   3   3
20 FT wind gust.9   10  10  12  12  12  12  12
Mix hgt (kft)...2.5 3.5 4.2 4.8 5.5 4.7 4.0 3.2
Transp wind dir.NW  NW  NW  W   W   W   NW  NW
Transp wind spd.8   8   8   7   7   7   8   8
Dispersion idx..25  36  42  43  33  31  31  31
LVORI...........3   3   1   1   1   1   1   2

$$
Forecaster...Reynes
Requested by...Danny Callahan
Type of request...PRESCRIBED
.TAG 2619920.0/MFL
.DELDT 08/18/26
.FormatterVersion 2.0.0