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Avalanche: Providence Lake 2/7/2010

Observer Name:

Toby Weed

Observation Date:

02/08/2010

Occurrence Date:

02/07/2010

Occurrence Time:

Unknown

Region:

Logan
Providence Canyon
Providence Lake

Location

41° 42' 10.3572" N, 111° 42' 19.5192" W

Avalanche Characteristics

Elevation:

8900'

Aspect:

Northeast

East

and steeper

Slope Angle:

Alpha Angle:

Trigger:

Snowmobiler

Trigger: additional info:

Unintentionally Triggered

Avalanche Type:

Hard Slab

Weak Layer:

Facets

Depth (avg):

4.5'

Depth Range:

3.5' to

Width:

500'

Width Range:

400' to

600'

Vertical:

250'

Vertical Range:

150' to

300'

General Comments

We came across this large recent avalanche just above Providence Lake... Recent tracks on the south flank indicate that this was probably

Video 1:

General Comments 2

The avalanche was fresh enough that we checked the deep debris pile with our beacons...

General Comments 3

My sled is dwarfed by the debris chunks in the trees...

General Comments 4

The impressive hard slab avalanche crown stretched around the corner low on a steep treed slope.

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