Avalanche: Cornice Ridge 3/22/2011

Observer Name:

Phatty

Observation Date:

03/23/2011

Occurrence Date:

03/22/2011

Occurrence Time:

Unknown

Region:

Logan
Logan River
Tony Grove
Cornice Ridge

Location Name:

Cornice Bowl

Location

41° 53' 50.3736" N, 111° 40' 5.1096" W

Avalanche Characteristics

Elevation:

9000'

Aspect:

Northeast

East

Slope Angle:

Trigger:

Natural

Avalanche Type:

Hard Slab

Weak Layer:

New Snow/Old Snow Interface

Depth (avg):

Width:

1000'

Vertical:

600'

General Comments

Looks like new cornice fall took the new storm snow plus a good layer of old snow down. The crown is right below the massive cornice and covers the entire width of the bowl. The run out probably exceeds 1500 feet and it filled in some pretty deep gullies. Did not take pictures but this slide can be seen from the road into tony grove above the lake. Massive slide.

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