Large avalanche debris in Avalanche Basin below Little Matterhorn

Location Name: Avalanche Lake Observation date: Tuesday, December 10, 2019 - 08:00	Is this an Avalanche Observation: Yes

Observation made by: Public

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Travel Details

Region:

Glacier National Park - McDonald Lake Area

Activity:

Climbing or Mountaineering

Snowpack Details

Snowpack and Weather Details:

Terrain

Elevation of observation:

5000-6500 ft

Aspect(s) of observation:

Avalanche Details

Avalanche Details:

Date and Time of Avalanche:

Sunday, December 8, 2019 - 09:00

Number of avalanches:

Avalanche Type:

Unknown

Failure Plane/Weak Layer:

Within storm snow

More information or comments about the avalanche:

Multiple crowns observed around 6000'. Possibly more above, visibility was too poor to see higher elevations.

Trigger

Trigger:

natural

Terrain

Aspect:

Northeast

Starting Elevation:

near-treeline

Size

Destructive Size:

D3 - Could destroy a car, a wood house, or snap trees

Relative Size:

R3 Medium

Avalanche Location:

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Large avalanche debris in Avalanche Basin below Little Matterhorn

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Large avalanche debris in Avalanche Basin below Little Matterhorn

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