511
FNUS72 KTBW 210812
FWSTBW

Spot Forecast for CK-5A (east)...FLDEP
National Weather Service Tampa Bay Ruskin FL
312 AM EST Fri Feb 21 2025

Forecast is based on ignition time of 0900 EST on February 21.
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...
High pressure ridges into the region producing rain-free
conditions, north-northeast winds and cooler temperatures through
the weekend. Humidity values remain above critical levels and no
fog is expected for the next couple of days.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 60.
Min humidity........40 percent.
Wind (20 ft)........Northeast winds 8 to 10 mph. Gusts up to 20 mph
                    late in the morning.
Mixing height.......4600 ft AGL.
Transport winds.....Northeast 13 to 21 mph.
Dispersion index....43 increasing to 54 late in the morning, then
                    increasing to 59 late in the afternoon
                    decreasing to 42 late in the afternoon.
LVORI...............1.

TIME (EST)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........2      4      5      10     16
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0
Temp............39     47     55     58     58
RH..............62     54     45     41     44
20 ft wind......NE 9   NE 10  NE 9   NE 9   NE 8
20 ft wind gust.20     17     15     15     15
Mix hgt (ft)....1400   2500   3500   4000   4100
Transport wind..NE 21  NE 16  NE 15  NE 14  NE 14
Dispersion idx..39     50     52     60     42
LVORI...........1      1      1      1      1

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 40.
Max humidity........87 percent.
Wind (20 ft)........Northeast winds 5 to 7 mph.
Mixing height.......500 ft AGL.
Transport winds.....Northeast 13 to 18 mph.
Dispersion index....22 decreasing to 6.
LVORI...............3.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........24     29     30     29     29     35
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............55     48     44     42     41     41
RH..............50     66     75     78     80     85
20 ft wind......NE 7   NE 6   NE 6   NE 6   NE 6   NE 6
20 ft wind gust.16     16     17     15     14     14
Mix hgt (ft)....1700   1000   1000   800    700    500
Transport wind..E 13   NE 18  NE 17  NE 16  NE 15  NE 14
Dispersion idx..22     3      8      7      6      6
LVORI...........2      3      3      4      4      4

.SATURDAY...

Sky/weather.........Partly sunny (60-70 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 65.
Min humidity........62 percent.
Wind (20 ft)........Northeast winds around 5 mph in the morning
                    becoming light, then becoming northwest around
                    5 mph late in the afternoon becoming light.
Mixing height.......2700 ft AGL.
Transport winds.....Northeast 8 to 14 mph shifting to the northwest
                    around 7 mph late in the afternoon.
Dispersion index....15 increasing to 26 late in the morning, then
                    decreasing to 15 late in the afternoon.
LVORI...............3.

TIME (EST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........65     63     68     68     66     62
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      10     10
Temp............42     43     52     60     63     64
RH..............85     85     76     64     63     65
20 ft wind......NE 5   NE 5   NE 5   NE 3   NE 3   NW 5
20 ft wind gust.14     13     10     8      7      8
Mix hgt (ft)....500    700    1100   2200   2500   2100
Transport wind..NE 14  NE 13  E 13   E 10   NE 8   NW 7
Dispersion idx..11     15     18     26     27     18
LVORI...........4      4      3      2      2      2

$$
Forecaster...Wynn
Requested by...Jeff Pettis
Type of request...PRESCRIBED
.TAG 2503386.0/TBW
.DELDT 02/21/25
.FormatterVersion 2.0.0
.EMAIL jeffrey.pettis@floridadep.gov