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Avalanche: First Waterfall Hollow 2/15/2010

Observer Name:

Paige Pagnucco

Observation Date:

02/18/2010

Occurrence Date:

02/15/2010

Occurrence Time:

Unknown

Region:

First Waterfall Hollow
Providence Canyon
Logan

Location Name:

First Waterfall Hollow, Providence Canyon

Location

41° 40' 45.2964" N, 111° 44' 55.374" W

Avalanche Characteristics

Elevation:

8600'

Aspect:

North

Northeast

Slope Angle:

Trigger:

Snowmobiler

Trigger: additional info:

Unintentionally Triggered

Avalanche Type:

Soft Slab

Weak Layer:

Surface Hoar

Depth (avg):

2.5'

Width:

350'

Vertical:

600'

General Comments

Saw this slide from afar. Looks to have run during the cycle last weekend when we saw many slopes release on buried surface hoar. Guessing the running distance due to poor visibility. Lots of sled traffic in the area may have remotely triggered it.

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