345
FNUS72 KTBW 052000
FWSTBW

Spot Forecast for GF21 Rx Burn...Florida Forest Service
National Weather Service Tampa Bay Ruskin FL
400 PM EDT Fri Sep 5 2025

Forecast is based on ignition time of 1600 EDT on September 05.
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...
East to northeast sea breeze flow in place over the area this
afternoon and evening with scattered showers and storms firing up
along the sea breeze boundary and associated storm outflow
boundaries. Gusty and erratic winds and will be possible in the
vicinity of any storms and boundaries, but should remain mainly
east to northeast outside of them. Shower and storm activity will
diminish overall by mid to late evening with winds becoming light
overnight with dispersions becoming generally poor to fair.

Similar setup for Saturday but with winds becoming more southerly
in the afternoon accompanied by more numerous showers and storms
through the evening, with generally poor to fair dispersions
continuing.

No RH or significant fire potential concerns expected otherwise.

.REST OF TODAY...
TIME (EDT)      4PM 5PM
Sky (%).........69  68
Weather cov.....SCT SCT
Weather type....RW  RW
Tstm cov........SCT SCT
Chc of pcpn (%).50  50
Temp............86  85
RH..............70  73
20 FT wind dir..E   E
20 FT wind spd..10  10
20 FT wind gust.17  20
Mix hgt (kft)...3.2 2.7
Transp wind dir.E   E
Transp wind spd.12  13
Dispersion idx..45  42
LVORI...........1   2

.TONIGHT...
TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........74  73  66  60  57  66  58  57  44  42  41  38
Weather cov.....SCT SCT ISO SCT ISO
Weather type....RW  RW  RW  RW  RW
Tstm cov........SCT SCT ISO SCT ISO
Chc of pcpn (%).40  40  20  30  20  10  10  10  10  10  10  10
Temp............83  81  79  78  78  77  77  77  76  76  76  76
RH..............79  83  88  89  91  93  95  94  96  95  96  95
20 FT wind dir..E   E   E   E   E   E   NE  NE  NE  N   NE  N
20 FT wind spd..10  8   6   5   3   2   2   2   2   2   2   2
20 FT wind gust.20  17  15  13  10  8   7   5   6   5   5   6
Mix hgt (kft)...2.2 1.1 0.8 0.9 0.8 0.6 0.5 0.6 0.6 0.6 0.5 0.4
Transp wind dir.E   E   E   E   E   E   E   NE  NE  NE  N   N
Transp wind spd.12  12  10  10  7   6   5   6   6   5   5   5
Dispersion idx..32  18  7   3   2   3   2   2   2   2   2   2
LVORI...........3   4   5   6   6   6   6   7   8   8   8   9

.SATURDAY...
TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40  42  42  37  34  40  41  49  50  48  54  53
Weather cov.....                        ISO ISO SCT SCT NUM NUM
Weather type....                        RW  RW  RW  RW  RW  RW
Tstm cov........                        ISO ISO SCT SCT NUM NUM
Chc of pcpn (%).10  10  10  10  10  10  20  20  50  50  60  70
Temp............75  75  76  80  83  86  87  87  88  88  88  86
RH..............97  97  96  87  80  73  70  68  67  65  65  68
20 FT wind dir..N   NE  NE  NE  NE  E   E   SE  S   S   SW  SE
20 FT wind spd..2   2   2   2   3   5   5   5   5   6   6   6
20 FT wind gust.6   6   6   6   7   8   9   10  12  12  13  13
Mix hgt (kft)...0.5 0.4 0.6 1.1 2.0 2.9 3.3 3.7 4.0 3.8 3.4 2.4
Transp wind dir.N   N   E   NE  NE  NE  SE  SE  S   S   S   S
Transp wind spd.5   5   5   5   5   6   5   5   5   6   6   6
Dispersion idx..2   2   4   10  16  21  24  25  24  23  21  17
LVORI...........8   8   7   5   4   3   3   3   3   3   3   3

$$
Forecaster...Hurt
Requested by...Madison Bullard
Type of request...PRESCRIBED
.TAG 2521396.0/TBW
.DELDT 09/05/25
.FormatterVersion 2.0.0
.EMAIL madison.bullard@fdacs.gov