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Observation: Hatcher Pass

Location: North side Arkose Ridge - Mint Valley

Date:
Observer:
Route & General Observations

Spent the last 3 days skiing/camping in the Mint Valley. Generally found good skiing with 10-15 cm near surface facets on E-NW aspects. Strong gusty/swirly winds on Tuesday and Wednesday produced thin breakable wind crusts at higher elevations.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Observer Comments

A few days old, wet loose D1 avalanches on S aspect of Idaho peak. Observed from a distance one slab avalanche, D2, on WSW aspect that stepped down to the ground. It appeared to have occurred after the last snowfall (3/28).

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

No new snow. Gusty, swirly wind with drifting, from NE switched toward SE on Wednesday evening.

Snow surface

Mostly near surface facets on shady aspects, with some thin breakable wind crusts. Mostly breakable melt-freeze crusts on sun exposed slopes.

Snowpack

No signs of instability found in snow pit or informal stability tests. In snow pit two CT-tests resulted in no failures. Even after leveraging the column out we couldn't produce a clean shear plane.

Photos & Video
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