Avalanche: Rodeo Grounds-south 1/30/2010

Observer Name:

Jon Kleven

Observation Date:

01/30/2010

Occurrence Date:

01/30/2010

Occurrence Time:

Afternoon

Region:

Rodeo Grounds-south
Providence Canyon
Logan

Location

41° 42' 42.8652" N, 111° 42' 59.2092" W

Avalanche Characteristics

Elevation:

9500'

Aspect:

East

and steeper

Slope Angle:

Alpha Angle:

Trigger:

Snowmobiler

Trigger: additional info:

Unintentionally Triggered

Sympathetic Release

Repeater

Avalanche Type:

Hard Slab

Weak Layer:

Facets

Depth (avg):

Depth Range:

3' to

Width:

450'

Width Range:

350' to

600'

Vertical:

500'

Vertical Range:

450' to

700'

General Comments

Rider triggered this avalanche from fairly high on the slope as he was turning his sled. He punched it and somehow emerged at the b

General Comments 2

The close-call reinforced the obvious need for a cautious approach to riding steep hills this tricky season... The party didn't have much desire to keep climbing big hills after the dragon showed it's teeth....

General Comments 3

The avalanche caused a sympathetic release of these two pockets in the North Rodeo Grounds...

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