Observer Name
Toby Weed
Observation Date
Thursday, February 16, 2012
Avalanche Date
Wednesday, February 15, 2012
Region
Logan » Logan River » Tony Grove » Castle Rock
Location Name or Route
Castle Rock
Elevation
9,500'
Aspect
Northeast
Slope Angle
40°
Trigger
Natural
Trigger: additional info
Cornice Triggered
Avalanche Type
Dry Loose
Weak Layer
New Snow/Old Snow Interface
Depth
10"
Width
50'
Vertical
500'
Comments
The large dry loose avalanche may have pulled out a shallow soft slab as it widened out and ran down the sustained slope.... Looks like a small cornice-fall probably triggered it.... There were many other smaller loose avalanches or sluffs in the area....
Coordinates