Avalanche

Sherwins Area

ESAC ObserverEastside Region
View on map

Quick report

See above Instability observations limited to loose surface snow entraining in steep and confined features. No wind slab observed in aspects or elevations traveled in.

Snowpack

No wind slab observed, though wind affected snow is obvious on steep lee loaded treeline start zones in Fingers. Alpine had much more wind affect, with North Face of Pyramid, No Name Peak and Laurel all having visible wind rippling at the surface.

Avalanche

Size
D1 R2
Type
L
Aspect
N
Trigger
AS
Elevation
9800 ft

Several ski cut triggered loose snow avalanches in steep N facing terrain (known avalanche paths), failing at density change within recent storm snow down 15-20cm, running up to 500' in vertical drop.