Avalanche Advisory published on November 28, 2017 @ 3:45 pm
Issued by Steve Reynaud - Tahoe National Forest

Early Season Conditions Update #9

Normal caution is advised throughout the forecast area when traveling in the backcountry.  A useable snowpack of 2-3' exists above 8000' with generally safe avalanche conditions. Small wind slabs may exist or develop in wind loaded areas in near treeline and above treeline terrain through the week.   Practice safe travel protocols when in or near avalanche terrain. 

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Above Treeline

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Near Treeline

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Below Treeline
Avalanche Problem 1: Normal Caution
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Generally safe avalanche conditions exist with a useable snowpack above 8000' in most areas.  Small wind slabs may exist or form on all aspects in near treeline and above treeline terrain through the week as wind speeds fluctuate and change directions.  Many hazards and obstacles exist throughout the region including: exposed trees, rocks, bushes, open water, creek crossings, etc.  Firm rain crusts have been observed in wind scoured terrain and could pose travel hazards.   

recent observations

- Rain reported up to 10'000 on Sunday with 4-10'' of storm snow reported throughout the forecast area on Sunday night/Monday.

-  Consolidated snowpack of 2-3' above 8000' made up of mostly wet grains and rain crusts with settled storm snow on surface.

Weather and CURRENT CONDITIONS
weather summary

High pressure will remain over our forecast area into Friday.  Light to moderate winds are expected over the ridges with valley inversions continuing.  A potential storm is expected this weekend with increasing winds and the chance of snow.

Two-Day Mountain Weather Forecast Produced in partnership with the Reno NWS
For 7000 ft. to 8000 ft.
Tuesday Tuesday Night Wednesday
Weather: NA Partly cloudy. Partly cloudy.
Temperatures: N/A deg. F. 21 to 27 deg. F. 37 to 42 deg. F.
Wind Direction: N/A
Wind Speed: N/A Light winds Light winds
Expected snowfall: N/A in. 0 in. 0 in.
For 8000 ft. to 9000 ft.
Tuesday Tuesday Night Wednesday
Weather: N/A Partly cloudy Partly cloudy.
Temperatures: N/A deg. F. 22 to 27 deg. F. 33 to 39 deg. F.
Wind Direction: N/A West East
Wind Speed: N/A 10 to 15mph with gusts to 35mph in the evening becoming light. 10 to 15mph with gusts to 25mph in the morning becoming light.
Expected snowfall: N/A in. 0 in. 0 in.
Disclaimer

This avalanche advisory is provided through a partnership between the Tahoe National Forest and the Sierra Avalanche Center. This advisory covers the Central Sierra Nevada Mountains between Yuba Pass on the north and Ebbetts Pass on the south. Click here for a map of the forecast area. This advisory applies only to backcountry areas outside established ski area boundaries. This advisory describes general avalanche conditions and local variations always occur. This advisory expires 24 hours after the posted time unless otherwise noted. The information in this advisory is provided by the USDA Forest Service who is solely responsible for its content.

For a recorded version of the Avalanche Advisory call (530) 587-3558 x258