986
FNUS72 KTAE 120905
FWSTAE

Spot Forecast for Three Rivers TH-F...Florida Park Service
National Weather Service Tallahassee FL
505 AM EDT Wed Mar 12 2025

Forecast is based on ignition time of 0800 CDT on March 12.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (850) 942-8833, if you have questions
or concerns with this forecast.

.DISCUSSION...

Patchy fog early this morning will dissipate by around 9AM. Light
winds and low mixing heights will keep dispersions poor for much
of the morning. By the afternoon, west turning to southwest 20
foot and transport winds, as well as rising mixing heights into
the 3000-4000 feet range will lead to favorable dispersions this
afternoon.

Another round of fog is possible Thursday morning along with
chances for showers and isolated thunderstorms beginning in the
morning and continuing into the evening. 20 foot and transport
winds increase while becoming southerly with a few surface wind
gusts approaching 20 mph. Dispersions will be favorable by mid
morning. Winds could become erratic in and near thunderstorms.


.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent). Patchy fog late in the
                    morning.
CWR.................0 percent.
Max temperature.....Around 75.
Min humidity........44 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph
                    late in the afternoon.
Mixing height.......4300 ft AGL.
Transport winds.....West 8 to 13 mph.
LVORI...............4.
Dispersion index....11 increasing to 63.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
Sky (%).........12  8   9   1   2   3   2   2   1
Weather cov.....PTY
Weather type....FOG
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Temp............49  55  59  63  66  70  71  72  73
RH..............100 93  80  67  58  49  47  46  46
20 FT wind dir..SW  W   W   W   SW  SW  SW  SW  SW
20 FT wind spd..1   1   1   2   3   5   5   5   5
20 FT wind gust.5   6   7   9   9   12  12  13  14
Mix hgt (kft)...0.7 1.0 1.3 2.0 2.8 3.5 3.8 4.0 4.3
Transp wind dir.W   W   W   W   W   SW  SW  SW  SW
Transp wind spd.8   8   8   8   9   9   10  12  13
Dispersion......8   11  14  22  32  40  47  55  63
LVORI...........7   4   3   2   1   1   1   1   1

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
Min temperature.....Around 55.
Max humidity........100 percent.
Wind (20 ft)........Southwest winds 5 to 6 mph in the evening
                    becoming light.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 9 to 13 mph.
LVORI...............5.
Dispersion index....48 decreasing to 5.

TIME (CDT)      5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
Sky (%).........0   2   1   2   4   6   18  26  27  32  42  48
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............74  72  68  63  61  59  58  57  57  58  56  56
RH..............44  49  57  72  81  87  93  93  93  90  96  96
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  S   S   S   S   S
20 FT wind spd..5   6   5   5   5   5   3   3   3   2   2   2
20 FT wind gust.14  14  14  13  12  10  10  9   9   8   8   8
Mix hgt (kft)...3.0 1.7 0.5 0.5 0.5 0.4 0.5 0.5 0.5 0.6 0.6 0.7
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  S   S   S   S   S
Transp wind spd.13  13  13  13  12  10  10  10  10  10  9   9
Dispersion......48  29  6   5   5   5   5   5   5   5   4   4
LVORI...........1   2   2   3   4   6   7   7   8   9   9   9

.THURSDAY...

Sky/weather.........Partly sunny (55-65 percent). Patchy fog early
                    in the morning. Slight chance of rain showers
                    early in the morning. Slight chance of
                    thunderstorms late in the afternoon. Chance of
                    rain showers late in the afternoon.
CWR.................0 percent increasing to 50 percent.
Max temperature.....Around 71.
Min humidity........63 percent.
Wind (20 ft)........Light winds becoming south 5 to 8 mph in the
                    late morning and afternoon. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
Mixing height.......2700 ft AGL.
Transport winds.....South 8 to 17 mph increasing to 16 to 18 mph
                    late in the afternoon.
LVORI...............5.
Dispersion index....7 increasing to 37.

TIME (CDT)      5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
Sky (%).........52  64  71  63  57  40  50  71  81  81  80  79
Weather cov.....    PTY SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC
Weather type....    FOG RNF RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........                                SCH SCH SCH
CWR.............0   0   20  20  20  20  20  20  50  50  50  50
Temp............56  55  56  57  61  65  68  70  71  71  70  69
RH..............96  100 96  100 90  81  73  66  63  63  68  70
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..2   2   2   3   5   5   6   7   8   8   8   8
20 FT wind gust.8   8   7   9   12  14  15  17  17  17  17  16
Mix hgt (kft)...0.6 0.6 0.5 0.9 1.2 1.6 1.9 2.3 2.7 2.5 2.3 2.2
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   8   8   9   12  14  16  17  18  18  17  16
Dispersion......4   3   6   10  18  29  34  36  40  39  37  34
LVORI...........9   9   6   7   5   3   2   1   1   1   1   2

$$
Forecaster...Scholl
Requested by...philip j spyckaboer
Type of request...PRESCRIBED
.TAG 2505876.0/TAE
.DELDT 03/12/25
.FormatterVersion 2.0.0
.EMAIL philip.spyckaboer@floridadep.gov