Avalanche

Seattle Ridge, Warmup Bowl

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Quick report

Cracking
widespread

Large cornice release on the southwest rim of Warmup bowl. Triggered by the 5th snowmachine down the down track. Shooting cracks, remote triggering of wind slabs approximately 6-8” deep on the north facing aspect, 2900’

Weather

Air Temp
35
Cloud Cover
scattered
Wind Loading
moderate
Snow Avail For Transport
large amounts

Partly cloudy, warm at the lot (37F), but felt colder on Seattle ridge.

Snowpack

North aspect was wind loaded with about 6-8” on top of the old snow. The majority of this snow slid throughout the day. The southwest aspect was approximately 8” of soft snow on a firmer layer, but was more stable, with only sluffs from skiing.

Avalanche

Size
D3
Type
C
Aspect
SW
Trigger
AM
Elevation
2900 ft

Cornice fall