| Trigger | Skier | Remote Trigger | Unknown |
| Avalanche Type | Soft Slab | Aspect | East |
| Elevation | 4000ft | Slope Angle | 40deg |
| Crown Depth | unknown | Width | 50ft |
| Vertical Run | 1000ft |
Avalanche: Hatcher Pass
Location: Valley of Sin
We toured up around the Valley of Sin at Hatcher Pass. Beautiful day!
Avalanche Details
Some people triggered a slab that released to ground as they skied into the tops of those gnarly gullies on the east side of Hatch Peak. We heard second hand that nobody was caught.
Obvious signs of instability
| Recent Avalanches? | Yes |
| Collapsing (Whumphing)? | No |
| Cracking (Shooting cracks)? | No |
Weather
Clear, light wind, teens, sunny.
Snow surface
About 8 inches of powder over a thin rain crust.
Snowpack
We dug one pit at about 4300 feet on an east aspect and found 100cm of snow. Extended column test went at ECTP18 at 20cm height in facets between old crusts.
The human-triggered avalanche on Hatch.
The pit we dug at 4300 feet on an east aspect. 100cm of snow. ECTP18 on facets between old crusts at 20cm height.