| Recent Avalanches? | No |
| Collapsing (Whumphing)? | Yes |
| Cracking (Shooting cracks)? | No |
Observation: Hatcher Pass
Location: Valley of Sin to Women's Run to Ripper's Delight
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.
Obvious signs of instability
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
No significant new snow since 3/11
Calm wind
Temps
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
Snowpack
see pit
Debris from Sunnyside of Hatch remote trigger 3/13. The tracks coming out of the debris were from a previous party that day.
Human triggered dry loose 3/17
Surface Hoar 3/17
Surface Hoar 3/17
Shiny sun crust exists on E to SW aspects
Sunnyside of Hatch remote trigger 3/13. Crown appears to be connected well down the gully side wall.
Valley of Sin-17-Mar