Details

• Date: 2020/01/26

• Observer: CMC AIARE 1
• Organization: Public

Location

• BC Zone: Front Range
• Area Description: Hidden Knoll/Halfpipe area on Berthoued Pass NTL, SE aspect, at ridge line

Weather

• Weather Description: Mod-Strong winds WNW, active snow transport Mostly sunny with cold temps

Snowpack

• Snowpack Description: HS 140-170cm NSFc on surface with 30cm of unconsolidated snow below. PS slab observed but no signs of reactivity Upper SnPx was getting moist on S-SE aspects by 2pm

Avalanches

• Avalanche Description: 1 observed just below ridge line on Hidden Knoll SE aspect NTL: R2-D1 AS/u SS - crown was 30cm deep and broke into the underside of a cornice. Track heading into trigger point was observed to have exited immediately and skier was not caught. Slide was ~75ft wide by ~200Ft long. 1 observed on E aspect BTL near cliff bands on E side of Hidden Knoll. Unknown cause, R2-D2, no skier involvement/signals observed. Looked to be ~24hrs old. Did not get to see crown very well, but broke above cliff and traveled over cliff to debris zone ~150ft length. Suspected new PS problem formed over the last 4 days.

	Date	Location/Path	#	Elev	Asp	Type	Trig	SizeR	SizeD
	2020/01/26  †	Berthoud Pass west side	1	>TL	SE	HS	AS / U	R1	D1.5
Date: 2020/01/26 (Estimated) Observer: CMC AIARE 1 Organization: Public Landmark: Berthoud Pass west side

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