Name:
Matt Jones
Observation Date:
January 8, 2023
Submitted:
January 9, 2023
Zone or Region:
East Central
Activity:
Skiing/Snowboarding
Location:
Above "sugar bowl" just in bounds at Mission Ridge. We dropped in after skiing in Stemilt Basin earlier in the day.
Did you trigger any avalanches?
Yes
Was it intentional?
No
Avalanche Type:
Soft Slab
Size:
Size 1: Relatively harmless to people
Elevation:
6400 ft
Aspect:
N
Comments:
47.27599, -120.40298 , 8-10 inch crown, 30 feet wide (shooting crack extending past crown, 50-60 feet long , skier-triggered, no-one caught or carried.
Did you see shooting cracks?
Yes, Widespread
Did you experience collapsing or whumpfing?
No
Observed shooting cracks along ridgelines in Stemilt Basin, as well as within bounds at Mission Ridge. We skied low angle terrain earlier in the day. The slab avalanche triggered skiing in bounds at mission ridge above "sugar bowl" was probably on a 29-32 degree, sparsely treed slope.