Avalanche

WMR Sidecountry

Avalanche.org observerWhitefish Range
View on map

Quick report

We set our intentions on finding low angle snow in open areas, assuming the snow would be heavy and punchy. After one pleasurable and stable feeling descent, we opted for a steeper entrance with a clean run out, and triggered one D1 soft slab avalanche, as well as a few large sloughs. The avalanche problem was not surprising, given the forecast, solid 15 south wind, and recent snow, however the propagation was larger than we anticipated. We feel like we underestimated the recent loading of snow--heavy, heavy snow from 6 AM to 11 AM plus wind added most likely 1'+ of snow to the face. Handpits showed a general lack of cohesion in the new snow, and had no discernible interface layer. No cracking, whumping, etc.

Weather

Air Temp
28
Cloud Cover
overcast
Wind Loading
moderate
Rain Elevation
4400
Recent Snowfall
15
Snow Avail For Transport
large amounts

Avalanche

Size
D1 R1
Type
SS
Aspect
N
Trigger
AS
Elevation
6600 ft

Soft slab with sizeable propagation, limited to recent storm snow on N face, 6600', 35*