238
FNUS72 KTBW 100746
FWSTBW

Spot Forecast for OSSP 11B Rx...FL DEP
National Weather Service Tampa Bay Ruskin FL
246 AM EST Wed Dec 10 2025

Forecast is based on ignition time of 0800 EST on December 10.
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 building into the area today will keep quiet and
sunny weather in place. A dry cold front will move through the
area on Thursday, with north winds pulling in drier air, but
relative humidity is not expected to drop to critically low levels.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 72.
Min humidity........73 percent.
Wind (20 ft)........North winds 5 to 6 mph shifting to the
                    northwest 6 to 10 mph late in the morning.
Mixing height.......2600 ft AGL.
Transport winds.....North around 7 mph shifting to the northwest 7
                    to 13 mph late in the morning.
Dispersion index....12 increasing to 31.
LVORI...............4.

TIME (EST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........53  45  38  32  26  20  19  18  17  10
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0
Temp............58  62  66  68  70  70  71  71  69  68
RH..............95  91  85  82  74  76  74  73  77  78
20 FT wind dir..NE  N   N   NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..5   5   6   6   7   8   9   10  10  8
20 FT wind gust.10  9   9   9   10  13  13  14  14  14
Mix hgt (kft)...0.5 1.0 1.2 2.0 2.3 2.4 2.6 2.5 2.4 1.7
Transp wind dir.NE  N   N   NW  NW  W   NW  NW  NW  NW
Transp wind spd.7   7   7   7   8   9   10  12  13  12
Dispersion idx..8   8   11  16  22  28  33  35  34  26
LVORI...........5   5   4   4   3   3   3   3   3   3

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 57.
Max humidity........93 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph.
Mixing height.......600 ft AGL.
Transport winds.....Northwest 10 to 14 mph.
Dispersion index....10 decreasing to 6 early in the evening.
LVORI...............5.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   19  20  19  22  23  18  21  17  22  33  34
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  62  61  60  59  59  59  59  58  58  60  60
RH..............81  88  90  89  92  91  89  88  89  93  87  86
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   6   6   5   5   6   6   6   6   7   7   7
20 FT wind gust.13  13  13  13  13  13  14  14  15  16  16  16
Mix hgt (kft)...1.0 0.6 0.6 0.6 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.7
Transp wind dir.NW  NW  NW  NW  W   W   W   W   NW  NW  NW  NW
Transp wind spd.12  10  10  12  12  12  12  12  13  14  14  14
Dispersion idx..14  5   3   4   5   5   6   6   6   6   7   9
LVORI...........4   5   5   6   6   5   5   5   5   6   5   4

.THURSDAY...

Sky/weather.........Mostly sunny (20-30 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 73.
Min humidity........64 percent.
Wind (20 ft)........North winds 7 to 12 mph.
Mixing height.......3100 ft AGL.
Transport winds.....North 12 to 15 mph.
Dispersion index....15 increasing to 26 early in the morning, then
                    increasing to 42 in the late morning and early
                    afternoon decreasing to 34 late in the
                    afternoon decreasing to 24.
LVORI...............3.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........35  42  40  33  27  23  19  15  15  16  16  12
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............60  61  62  65  69  71  71  71  71  70  68  66
RH..............84  83  86  82  75  71  69  67  65  64  64  65
20 FT wind dir..NW  N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..7   7   8   9   9   9   10  10  12  12  10  9
20 FT wind gust.16  16  16  15  15  15  15  15  15  16  16  15
Mix hgt (kft)...0.7 0.8 2.0 2.3 2.6 2.7 2.9 3.1 2.8 2.6 2.4 1.8
Transp wind dir.NW  NW  N   N   N   N   N   N   N   N   N   N
Transp wind spd.15  14  15  15  15  15  14  13  13  12  12  12
Dispersion idx..12  17  26  37  44  46  44  41  40  38  34  24
LVORI...........4   3   3   4   3   3   2   1   1   2   2   2

$$
Forecaster...Fleming
Requested by...Chris Koster
Type of request...PRESCRIBED
.TAG 2527307.0/TBW
.DELDT 12/10/25
.FormatterVersion 2.0.0
.EMAIL Christopher.Koster@Floridadep.gov