Avalanche: Upper Horse Creek

Observer Name
Observation Date
Tuesday, February 23, 2010
Avalanche Date
Saturday, February 20, 2010
Region
Upper Horse Creek
Location Name or Route
Elevation
12,000'
Aspect
Northeast
Slope Angle
40°
Trigger
Natural
Trigger: additional info
Repeater
Avalanche Type
Soft Slab
Weak Layer
New Snow/Old Snow Interface
Depth
4.5'
Width
3/4 Mile
Vertical
Unknown
Comments

Massive slide. R4/5D3+. Difficult to see most of crown at and below convexity. Debris pile was huge, covering the entire upper canyon. This was possibly D4. So large we just couldn't see it all. Portions of crown filled in, other 4-5 ft deep.

Coordinates

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