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Observer Name: 
mark white
Observation Date: 
Tuesday, February 20, 2018
Occurrence Date: 
Monday, February 19, 2018
Occurence Time: 
Unknown
Region: 
South Monitor Bowl
Location Name or Route: 
South Monitor Bowl
Elevation: 
9900
Aspect: 
North
Slope Angle: 
36
Trigger: 
Natural
Trigger: additional info: 
Cornice Triggered
Avalanche Type: 
Soft Slab
Avalanche Problem: 
Storm Slab
Weak Layer: 
New Snow/Old Snow Interface
Depth: 
unknown
Width: 
300
Vertical: 
700
Comments: 

This natural avalanche occurred sometime yesterday afternoon, seemed to be triggered by a natural cornice fall not sure of the weak layer but I think it was new snow only. The slide ran all the way down to the flats and left a large debris pile at the toe. This path has already released a few times this year but this is the biggest I've seen it go this year.  

Coordinates: 
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