Spot Forecast
Issued by NWS Tampa Bay Area, FL

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938
FNUS72 KTBW 171134
FWSTBW

Spot Forecast for CP2025S3...SWFWMD
National Weather Service Tampa Bay Ruskin FL
734 AM EDT Wed Sep 17 2025

Forecast is based on ignition time of 0800 EDT on September 17.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (813) 645-2323 if you have questions or
concerns with this forecast.

.DISCUSSION...

No fire weather concerns expected through the week as relative
humidity values remain above critical levels and winds remain below
15 mph. Scattered showers and isolated storms possible each day,
with the highest chances south of the I-4 corridor

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Slight chance of
                    showers early in the afternoon. Slight chance
                    of thunderstorms in the afternoon. Chance of
                    showers late in the afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 87.
Min humidity........68 percent.
Wind (20 ft)........East winds 5 to 6 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Mixing height.......4400 ft AGL.
Transport winds.....East 7 to 10 mph.
Dispersion index....10 increasing to 24 late in the morning, then
                    increasing to 40 early in the afternoon
                    decreasing to 27 late in the afternoon
                    decreasing to 17.
LVORI...............4.

TIME (EDT)      4 AM   6 AM   8 AM   10 AM  NOON
Sky (%).........65     65     79     77     75
Weather cov.....                     CHANCE CHANCE
Weather type....NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........                     S CHC  S CHC
Chc of pcpn (%).0      10     10     30     40
Temp............72     79     83     85     85
RH..............92     82     74     69     68
20 ft wind......NE 5   E 6    E 6    E 6    E 6
20 ft wind gust.8      9      10     9      12
Mix hgt (ft)....400    1500   3200   4400   2900
Transport wind..E 7    E 10   E 8    E 8    E 8
Dispersion idx..7      20     36     44     27
LVORI...........6      3      3      1      3

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent) then becoming
                    partly cloudy (40-50 percent) then becoming
                    mostly cloudy (45-55 percent). Chance of
                    showers early in the evening. Slight chance of
                    thunderstorms early in the evening. Slight
                    chance of showers early in the evening.
Chance of pcpn......50 percent.
Min temperature.....Around 70.
Max humidity........98 percent.
Wind (20 ft)........North winds around 6 mph shifting to the east 5
                    to 6 mph in the evening, then becoming light
                    overnight. Gusty and erratic winds expected
                    near thunderstorms early in the evening.
Mixing height.......400 ft AGL.
Transport winds.....East 5 to 8 mph.
Dispersion index....7.
LVORI...............7.

TIME (EDT)      2 PM   4 PM   6 PM   8 PM   10 PM  MIDNGT
Sky (%).........74     67     66     45     50     45
Weather cov.....CHANCE S CHC
Weather type....RNSHWR RNSHWR NONE   NONE   NONE   NONE
Tstm cov........S CHC  S CHC
Chc of pcpn (%).50     20     10     10     10     10
Temp............81     77     74     73     72     71
RH..............77     86     91     92     93     96
20 ft wind......N 6    E 6    E 5    E 5    E 3    E 2
20 ft wind gust.10     9      8      7      6      5
Mix hgt (ft)....1100   500    600    500    400    400
Transport wind..SE 7   E 8    E 7    E 6    E 5    E 6
Dispersion idx..11     5      4      3      2      2
LVORI...........4      5      6      6      6      7

.THURSDAY...

Sky/weather.........Mostly sunny (35-45 percent). Chance of showers
                    and slight chance of thunderstorms late in the
                    afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 90.
Min humidity........60 percent.
Wind (20 ft)........Light winds becoming northeast 5 to 7 mph in
                    the late morning and afternoon. Gusty and
                    erratic winds expected near thunderstorms late
                    in the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....East 5 to 8 mph.
Dispersion index....6 increasing to 47.
LVORI...............6.

TIME (EDT)      2 AM   4 AM   6 AM   8 AM   10 AM  NOON
Sky (%).........48     39     32     29     37     40
Weather cov.....                            CHANCE CHANCE
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........                            S CHC  S CHC
Chc of pcpn (%).10     10     10     10     30     30
Temp............70     71     78     84     87     87
RH..............98     97     82     70     62     60
20 ft wind......NE 2   NE 3   E 5    E 6    NE 6   NE 7
20 ft wind gust.6      6      8      10     12     13
Mix hgt (ft)....400    300    1800   3700   5500   5100
Transport wind..E 5    E 5    E 7    E 7    E 7    E 7
Dispersion idx..2      5      17     33     46     49
LVORI...........10     7      3      3      1      1

$$
Forecaster...Pearce
Requested by...Brian Hale
Type of request...PRESCRIBED
.TAG 2522082.0/TBW
.DELDT 09/17/25
.FormatterVersion 2.0.0
.EMAIL brian.hale@swfwmd.state.fl.us