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Avalanche: Hatcher Pass

Location: Marmot, Microdot, Nosehairs

Date:
Observer:
Route & General Observations

Observed several 1-2 day old sizable wet-loose avalanches, some exposing ground.
Marmot west face, Pinnacle Bowl E-S-W, Ray Wallace W-SW, Nosehairs S

Avalanche Details
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Trigger NaturalAvalanche Type Wet Loose Snow
Aspect WestElevation 3800ft
Slope Angle 38degCrown Depthunknown
WidthunknownVertical Run 600ft
Avalanche Details

Numerous wet-loose avys. Natural and human triggered. 100-600' length

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

moderate to large wet-loose, significant daytime heating

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

Increasingly warm daytime temps upwards of 46deg at 3500' in the shade- felt like 96deg!
No wind, no new precip.

Snow surface

Ski supportable crusts, boot penetration almost 12" deep. Surface varies from patchy wind slab, thin crust, thick crusts, sun softened snow, saturated mush. All E-S-W softened surfaces by noon.

Snowpack

see pit
CT15 RP 15cm down
CT11 RP 15cm down
ECTN 11 RP 15cm down

Photos & Video
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