Wind slabs breaking

Wind slabs breaking

A 2" thick wind slab is cracking, whumphing and breaking easly in stability tests (ECTP3). This was seen in the Throne area of the northern Bridgers. Skiing and sledding was reported to be "awful" from the winds. Photo: B. Nobel
 

This image is from the following advisory:
GNFAC Avalanche Advisory for Tue Jan 3, 2017
GNFAC Avalanche Advisory for Sat Jan 7, 2017
GNFAC Avalanche Advisory for Mon Jan 9, 2017