Observation: NWAC Forecaster

All Observations

Basic Information

Observation Details

Observation Date:
March 1, 2022
Submitted:
March 1, 2022
Observer:
NWAC Forecaster - Josh Hirshberg
Zone or Region:
East North
Location:
Early Winters and Silverstar ck (2400-4500ft)

Signs of Unstable Snow

Recent Avalanches? 
Yes
Cracking? 
None Experienced
Collapsing? 
None Experienced

Media/Attachments

Rain rills. 3,450ft, Hwy 20, between WA Pass and Mazama

Advanced Information

Weather Summary

Cloud Cover:
Obscured
New/Recent Snowfall:
HST 56cm

Warm, foggy, light rain. Clouds intermittently lifting to 5,000ft. HST is at low elevation and east in the range.

Avalanche Observations

 #  Date Location Size Type Bed Sfc Depth Trigger Photos Details
2 Feb 28, 2022
() 		Delancey Ridge
S ft 		D2.5 SS-Soft Slab N-Natural Report
4 Feb 28, 2022
() 		Delancey Ridge
S ft 		D2.5 WL-Wet Loose N-Natural Report
Delancey Ridge
Delancey Ridge

Widespread avalanche cycle on S-SE Delancey Ridge. Poor visibility limited obs

Snowpack Observations

Lots of wet to moist storm snow. Difficult snowmobile travel limited obs. At N, 3,450ft, confluence of Silver Star and Early Winters creeks- HS 160cm, HST 56cm. Surface wet, melt forms. Sudden test results (CTM (SP)) on preserved Feb 26th near-surface facets (0.5mm), down 56cm from the surface. This rested on a P+ hard crust (possibly a combo of late Jan through Feb 19th crusts)

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