Avalanche

Stevens Pass to Tumwater Canyon, Hwy 2 corridor

Josh HirshbergStevens Pass
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Observation photo 1Observation photo 2Observation photo 3Observation photo 4Observation photo 5

Weather

Cloud Cover
obscured
Wind Loading
none
Snow Avail For Transport
small smounts

Minimal, very light rain from 8a-12:30. Rapid onset of heavy rain at 12:30. Clouds were high, above 5,500-6,500ft into mid-AM, then began to thicken and lower with fog by 12:30.

Avalanche

Size
D2
Type
WL
Count
3
Aspect
S
Trigger
N
Elevation
5000 ft

Numerous wet avalanches, no confirmed crowns. Likely Wet Loose. Many D1, numerous D2, at least one D2.5. Most avalanches viewed from the highway corridor occurred by daylight on 2/23. A 9a cycle of natural avalanches occurred in closed inbound terrain at Stevens Pass resort. Other locations include: the Wellington path (Windy Ridge), Skyline Lake chutes, multiple D1.5 on Cowboy Mtn (Bobby/Nancy), Berne Chutes (Nason Ridge), The Swath (White Pine creek), Tumwater canyon- Swiftwater picnic area