Avalanche

Mccully basin

Tom WhippleNorthern Wallowas
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Observation photo 1Observation photo 2Observation photo 3Observation photo 4

Quick report

It was a gorgeous day in the mountains. We didn't encounter windslabs on our tour, but saw major wind texture between Aneroid and Aneroid North.  

Limited cracking on skintrack isolation, but no shooting cracks. Handshears failing in upper part of storm snow, down 10-15cm as a F+ slab.

Weather

Air Temp
25
Cloud Cover
broken
Wind Loading
moderate
Recent Snowfall
25
Snow Avail For Transport
large amounts

Light S winds with few gusts observed up to moderate. Steady temps. S-1 snow beginning at 1345h. Broken to scattered cloud cover.

Snowpack

We did not trigger any new snow slabs or dry loose on the few test slopes we traveled on. 

NW at 8400'. HS220. No propagation on either Valentine's Day interface or the Feb 8 crust.

We didn't travel on solar aspects or observe a Valentine's Day melt freeze or rime crust.  

Avalanche

1x windslab observed at a distance. D1.5 or D2 estimate since debris pile unseen over a ridge. NE 9200' and 300' wide (est) by unknown length and depth. Likely occurred during Valentine's Day loading event.