Spot Forecast
Issued by NWS Eureka, CA

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738
FNUS76 KEKA 061350
FWSEKA

Spot Forecast for Plantation Thin 167...USFS
National Weather Service Eureka CA
550 AM PST Sat Dec 6 2025

If conditions become unrepresentative...contact the National Weather
Service.

If you have questions or concerns regarding this forecast, please
contact our office at (707) 443-6484

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.DISCUSSION...High humidity and light northwest transport winds are
forecast today. A nocturnal inversion will take til mid afternoon to
break with mixing heights eventually reaching 1000 to 2000 ft AGL.
Nocturnal inversion will reform tonight and light winds under
3 mph are expected through Sunday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
CWR.................0 percent.
Max temperature.....Around 49.
Min humidity........74 percent.
Wind (20 ft)........North to northeast 1 to 2 mph shifting
to northwest 2 to 3 in the afternoon.
Mixing height.......300-800 ft AGL in the morning increasing to
1000 to 2000 ft AGL in the afternoon.
Transport winds.....Northwest 3 to 8 mph.
Eye level winds.....Downvalley/downslope up to 1 mph in the
early morning, becoming upvalley 1 to 2 mph
in the late morning and afternoon.

TIME (PST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  60  44  44  44  27  27  27  35  35
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Temp............40  40  41  43  44  47  47  48  48  46
RH..............96  92  89  89  82  76  74  74  74  79
20 FT wind dir..NW  NW  N   N   N   N   N   N   NW  NW
20 FT wind spd..3   3   3   3   3   3   3   3   3   3
20 FT wind gust.5   5   5   5   5   5   5   5
Eye lvl wnd dir.NW  NW  N   N   N   N   N   N   NW  NW
Eye lvl wnd spd.1   1   1   1   1   1   1   1   1   1
Eye lvl wnd gst.2   2   2   2   2   2   2   2
Mix hgt (kft)...0.3 0.3 0.8 0.8 0.8 2.0 2.0 2.0 0.5 0.5
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.5   5   8   8   8   8   8   8   3   3

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................0 percent.
Min temperature.....Around 40.
Max humidity........85 percent.
Wind (20 ft)........Northwest 1 to 2 mph.
Mixing height.......200-500 ft AGL.
Transport winds.....Northwest around 3 mph, then southwest 2 to 3 mph in
                    the late evening and overnight.
Eye level winds.....Variable up to 1 mph.

TIME (PST)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........35        39        54        63
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Temp............45        43        43        42
RH..............79        76        73        79
20 FT wind......NW 3      NW 2      W 2G3     W 2G3
Eye level wind..NW 1      NW 1      W 1       W 1
Mix hgt (ft)....500       300       300       200
Transport wind..NW 3      NW 3      SW 2      SW 2

.SUNDAY...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
CWR.................0 percent.
Max temperature.....Around 48.
Min humidity........82 percent.
Wind (20 ft)........West 1 to 2 mph becoming north 1 to 2 mph.
Mixing height.......300-900 ft AGL increasing to 1000-2600 ft AGL
                    in the afternoon.
Transport winds.....West 1 to 3 mph.
Eye level winds.....Variable to 1 mph.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  67  67  67  71  71  71  55  55  55  43  43
Weather cov.....                CHC CHC CHC CHC CHC CHC SCH SCH
Weather type....                DZL DZL DZL DZL DZL DZL DZL DZL
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............40  40  40  40  42  44  46  46  47  47  46  46
RH..............82  82  85  89  86  93  89  86  83  83  86  86
20 FT wind dir..W   W   W   W   N   N   N   N   N   N   NW  NW
20 FT wind spd..1   1   1   1   2   2   2   2   2   2   2   2
20 FT wind gust.                            3   3   3
Eye lvl wnd dir.W   W   W   W   N   N   N   N   N   N   NW  NW
Eye lvl wnd spd.0   0   0   0   1   1   1   1   1   1   1   1
Eye lvl wnd gst.
Mix hgt (kft)...0.3 0.4 0.4 0.4 1.5 1.5 1.5 2.6 2.6 2.6 1.0 1.0
Transp wind dir.SW  SW  SW  SW  W   W   W   W   W   W   W   W
Transp wind spd.3   3   3   3   3   3   3   3   3   3   1   1

$$
Forecaster...DB
Requested by...Geoffrey Phelan
Type of request...PRESCRIBED
.TAG 2527109.0/EKA
.DELDT 12/06/25
.EMAIL geoffrey.phelan@usda.gov,jason.niehaus@usda.gov,ronald.reed@usda.gov