Avalanche: Summit

Location: Road Observation of East aspects of Summit Lake.

Date:

March 5, 2020 7:01pm

Observer:

Alex McLain

Route & General Observations

Avalanche activity Summit Lake Area

Avalanche Details

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Trigger	Natural	Avalanche Type	Soft Slab
Aspect	East Southeast	Elevation	unknown
Slope Angle	unknown	Crown Depth	unknown
Width	unknown	Vertical Run	unknown

Avalanche Details

Natural avalanches observed in motion on Gilpatrick 1:20pm and recent avalanches on Summit and Colorado Peak. Shallow recent slabs. See Pictures below.

Red Flags

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Obvious signs of instability

Recent Avalanches?	Yes
Collapsing (Whumphing)?	No
Cracking (Shooting cracks)?	No

Observer Comments

Recent avalanche activity and additional wind loading. Avalanche activity observed on ESE aspects of Gilpatick 1:20 pm natural, Summit Peak, and Colorado Peak (Unknown timeframe active wind loading in those areas.)

Photos & Video

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Gilpatrick avalanches and powder cloud being blown by cross slope winds.

Wide shallow slab release on Summit Peak SSE aspect.

Colorado Peak avalanche and active wind loading .

Location

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