Details

• Date: 2020/03/21

• Observer: Public

Location

• BC Zone: Front Range
• Area Description: Grand Central Couloir on Nokhu Crags

Weather

• Weather Description: Most sunny skies with consistently gusty winds at ridgetops and occasional gusts near treeline. Fresh 6-12” of powder with a warming and melting trend throughout the day.

Snowpack

• Snowpack Description: We observed numerous natural avalanches that had run during the last storm cycle on many of the steep chutes of Nokhu Crags. We had already mad the decision to turn around when we observed the natural while we were transitioning.

Avalanches

• Avalanche Description: Natural avalanche ran from loose wet warming snow either on or above the Grand Central Couloir on Nokhu Crags. Witnessed the avalanche gain speed and mass and captured video of the runout.

	Date	Location/Path	#	Elev	Asp	Type	Trig	SizeR	SizeD
	2020/03/21  †	Cameron Pass	1	>TL	SE	WL	N	R1	D1.5
Date: 2020/03/21 (Estimated) Area Description: Nokhu Crags Landmark: Cameron Pass Average Slope Angle: 37 ° Maximum Slope Angle: 41 ° Elevation: 11700 ft Sliding Surface: S - Within Storm Snow Weak Layer: Layer Weak Layer Grain Type: Precipitation Particles Average Width: 45 ft Maximum Width: 55 ft Average Vertical: 140 ft Maximum Vertical: 160 ft

Media

Video

Loose wet avalanche Grand Central Couloir Nokhu Crags