Avalanche: Summit

Location: Road observations - Summit Mtn

Date:
Observer:
Route & General Observations

Recent large wind slab avalanche on east facing Summit Mtn, seen from the Seward Highway near Summit Lake.

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger NaturalAvalanche Type Hard Slab
Aspect East SoutheastElevation 3500ft
Slope AngleunknownCrown Depthunknown
WidthunknownVertical Run 1000ft
Avalanche Details

This avalanche likely released Wed, Feb 13th naturally. It looks to have pulled out several pockets of wind slab on the flank and also stepped down into older snow closer to the gut.

There are also other natural wind slabs from the past 1-2 days in the paths next to the larger one mentioned. See photos.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Strong NW winds have been loading east through south aspects.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.
Weather

Mostly clear, temps in the 20'sF, strong NW winds. Plumes seen along many ridgelines.

Photos & Video
Please upload photos below. Maximum of 5 megabytes per image. Click here for help on resizing images. If you are having trouble uploading please email images separately to staff.