765
FNUS72 KTBW 101301
FWSTBW

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

Forecast is based on ignition time of 1400 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...

No humidity concerns today as high pressure holds over the area. A
weak and dry cold front will move through the Florida Peninsula
early Thursday, pulling drier air into the area for the end of the
week. Relative humidity percentages are forecast to drop into the
upper 30s Friday afternoon, mainly over the Nature Coast
counties, but widespread critically low humidity is not expected.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 72.
Min humidity........73 percent.
Wind (20 ft)........Northwest winds 8 to 10 mph.
Mixing height.......2600 ft AGL.
Transport winds.....Northwest 10 to 13 mph.
Dispersion index....31.
LVORI...............3.

TIME (EST)      2PM 3PM 4PM 5PM
Sky (%).........19  18  17  10
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0
Temp............71  71  69  68
RH..............74  73  77  78
20 FT wind dir..NW  NW  NW  NW
20 FT wind spd..9   10  10  8
20 FT wind gust.13  14  14  14
Mix hgt (kft)...2.6 2.5 2.4 1.7
Transp wind dir.NW  NW  NW  NW
Transp wind spd.10  12  13  12
Dispersion idx..33  35  34  26
LVORI...........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...Pearce
Requested by...Chris Koster
Type of request...PRESCRIBED
.TAG 2527307.1/TBW
.DELDT 12/10/25
.FormatterVersion 2.0.0
.EMAIL Christopher.Koster@Floridadep.gov