986
FNUS76 KSEW 041141
FWSSEW

Spot Forecast for GFF Pile Burn...USFS
National Weather Service Seattle WA
341 AM PST Wed Dec 4 2024

Forecast is based on ignition time of 0800 PST on December 04.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (206) 526-6095, if you have questions
or concerns with this forecast.

.DISCUSSION...High pressure and light winds will persist today with
patchy fog this morning. Conditions will improve by the late morning to
reveal mostly clear skies and light winds. Cloud cover will increase this
evening and through the overnight hours as a weak trough approaches. Winds
will increase with light rain showers Thursday morning.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent). Patchy fog before 10 am.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 55.
Min humidity........54 percent.
Wind (20 ft)........Light winds.
Mixing height.......800 ft AGL.
Transport winds.....Southeast 3 to 6 mph.
Haines mid level....5 or moderate potential for large plume
                    dominated fire growth.
Rainfall amount.....0.00 inches.

TIME (PST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   2   1   0   1   1   1   2   2   12
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............40  42  46  49  52  54  53  53  50  48
RH..............55  54  54  55  58  58  63  69  75  75
20 FT wind dir..E   E   E   E   E   E   E   E   E   N
20 FT wind spd..1   1   2   2   2   2   1   1   1   0
20 FT wind gust.3   5   5   3   3       2   2   2   2
Mix hgt (kft)...0.7 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.7 0.7
Transp wind dir.E   SE  SE  SE  SE  SE  E   E   E   S
Transp wind spd.5   5   5   5   3   3   3   3   3   3
Haines mid lvl..5   5   5   5   5   5   5   5   5   5

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (70-80 percent) overnight. Chance
                    of light rain showers after 3 am.
CWR.................0 percent increasing to 15 percent after 3 am.
LAL.................1.
Min temperature.....Around 38.
Max humidity........78 percent.
Wind (20 ft)........Light winds.
Mixing height.......700 ft AGL.
Transport winds.....South 5 to 9 mph.
Haines mid level....4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Rainfall amount.....0.02 inches.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........9   20  22  11  6   15  26  49  62  70  84  82
Weather cov.....                                        CHC CHC
Weather type....                                        RW  RW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   20  20
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............46  43  41  40  39  40  40  39  39  40  39  40
RH..............76  77  79  78  78  72  72  74  73  73  71  71
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..1   1   1   1   2   2   2   2   2   2   2   2
20 FT wind gust.3   3   3   5   5   6   6   6   6   6   7   7
Mix hgt (kft)...0.7 0.7 0.7 0.7 0.8 0.8 0.8 0.8 0.8 0.8 0.8 0.8
Transp wind dir.SE  SE  SE  S   SE  S   S   S   S   S   S   S
Transp wind spd.5   6   7   7   7   7   7   9   9   9   9   9
Haines mid lvl..5   5   5   5   5   5   5   5   5   5   4   4

$$
Forecaster...Lindeman
Requested by...Bne Dean
Type of request...PRESCRIBED
.TAG 2427680.0/SEW
.DELDT 12/04/24
.FormatterVersion 2.0.0
.EMAIL benjamin.dean@usda.gov