Avalanche: Ben Lomond 3/31/2011

Observer Name: 
Doug Wewer
Observation Date: 
03/31/2011
Occurrence Date: 
03/31/2011
Occurrence Time: 
Unknown
Region: 
Ogden
Ben Lomond
Location Name: 
Ogden Mountains
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Location

41° 21' 8.154" N, 111° 56' 35.5776" W
Avalanche Characteristics
Elevation: 
9000'
and below
Aspect: 
South
Southwest
West
Northwest
Trigger: 
Natural
Avalanche Type: 
Wet Loose
Depth (avg): 
unknown
Width: 
Unknown
Vertical: 
800'
General Comments

Using binoculars in Ogden, got a good look at the South face of Ben Lomond and West-facing mountains to the south towards North Ogden Divide.  Also looked at the West side of Mt. Ogden above the city.

Observed numerous, fresh wet point releases.  A dozen or more of these triggered larger, wet sluffs, deeply filling in gullies and running 400-800 vertical feet.  These were on Northwest through West through South aspects.  Most of the large gullies I looked at had some form of wet debris in them.  Nearly all steep, rocky areas appeared to have rollerball activity - literally hundreds off of a single cliff band.

I did not observe any wet slabs or anything that looked like it stepped down to weaker layers.

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