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Observations

Region: Hatcher Pass
Location: Marmot
Observer:
Date:

Route & General Observations

Toured standard uptrack/shoulder of Marmot. Topped out via the S side and ran a couple of laps on the West face.

Avalanche Details

Avalanche details

Trigger NaturalAvalanche Type UnknownAspect East Northeast
ElevationunknownSlope AngleunknownCrown Depthunknown
WidthunknownLengthunknown  

Observer Comments

Large avalanche running the full length of the face of Hatch. I would estimate a crown depth of 2-3 feet. The bed surface was not the ground, so I'd assume the failure occurred with the new heavy wet snow.

Red Flags

Obvious signs of instability

Recent Avalanches?YesCollapsing (Whumphing)?NoCracking (Shooting cracks)?No

Observer Comments

Observed a persistent slab avalanche running the length of the E/NE face of Hatch Peak (i.e "Face of Hatch). Observed multiple point release avalanches on the S face of Skyscraper. Very significant wind lip development on Government Peak, Peak 4068, and Hatch Peak ridge/Bald Mountain ridge.

Weather

Weather

Cloudy, ~30 degree temps, light wind. Winds picked up around 2pm to maybe 15mph with sudden snow showers.

Snow Characteristics

Snow surface

Snow surface varied from wind packed/high density moist snow in the lower elevations to windcrust/sastrugi in the mid to upper elevations. We also identified a significant amount of graupel in the mid to upper elevations!



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