Avalanche

Thunder/Avalanche Mtn

Avalanche.org observerSnoqualmie Pass
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Observation photo 1

Quick report

Cracking
isolated

Reactive soft storm slab on SW trees of Thunder/Avalanche Mtn @5200ft, ~D1.5 (triggered ~3 in this area). Ran on 1/10 crust. Storm slab and dry loose instabilities seen on localized steeper SW aspect tree’d terrain in this area. Open gully just below was stable. No instabilities seen up to Snow Lake Divide or down to snow lake from the divide

Avalanche

Size
D1.5
Aspect
SW
Trigger
AS
Elevation
5200 ft

Reactive soft storm slab on SW trees of Thunder/Avalanche Mtn @5200ft, ~D1.5. Ran on 1/10 crust. Localized to steeper SW aspect tree’d terrain. Open gully just below was stable. No instabilities seen up to Snow Lake Divide