Observation: Hatcher Pass

Location: Valley of Sin to Women's Run to Ripper's Delight

Route & General Observations

Toured up Valley of Sin up valley towards Women’s Run and Ripper’s Delight. Main objective was assessing the crust-facet sandwich on southerly aspects. Some whumping was observed on steep southerly aspects, no cracking or recent avalanches today.

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

Whumping on south aspect 3600' . No recent avalanches observed today.
3/16 Dog triggered small persistent slab on SE aspect 4500', 10" deep
3/13 Remote triggered avy on Sunnyside of Hatch , SSW 3500'
3/13 Remote trigger, small isolated slab near standard uptrack on the Powder Pimple of Hatch, S 3500'. (Unconfirmed but our best guess)

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

No significant new snow since 3/11
Calm wind
0 deg with a max of 6 deg F at 3550'
-2 deg F with a max of 6 deg F at 4500'

Snow surface

Surface hoar growing on ridges
Smooth sun crust /drizzle crust combo up to 2" thick on E to SW aspects with NSF on top, in the middle, and on the bottom of the crust sandwich
Faceted pow


see pit

Photos & Video
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