Observation: Hatcher Pass

Location: Independence Mind

Date:

December 8, 2017 3:58pm

Observer:

AAS PRO 1 BRIDGE Professional

Route & General Observations

Study pits around Ind. Mine on E. aspects. Note: all snow study conducted within 100m of the mine.

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

Observer Comments

Whumphing.

Weather & Snow Characteristics

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

Weather

Clearing down valley, mild weather and moderate temps. NO RAIN! 3cm of new snow overnight.

Snow surface

Rimed new snow, 2-3mm. Dry. No crust.

Snowpack

Moderate strength, poor structure:4 lemons, PWL in top meter (MF crust down 40-70cm (20171119)), fracture character ranged from Q1-Q2 in small column test moderate to high propagation potential (MF crust 40-70cm down, ECTP 15-25; PSTN 20-49(20171119),highly spatially variable.

Photos & Video

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Location

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