Large Loose Wet Avalanches, Valentine Cirque

AVALANCHE OBSERVATION
NE and NW aspects in the Valenting Cirque

Drainage:

Submission Info
Clancy Nelson
Forecaster
Saturday, April 7, 2018 - 2:45pm
Red Flags: 
Recent avalanche activity
Recent loading by new snow, wind, or rain
Avalanche Type: 
Wet
Loose/Point-Release
Slope: 
45degrees
Trigger type: 
Natural
Weak Layer: 
Old Snow
Avalanche Width: 
70ft.
Terrain: 
Above Treeline
Elevation: 
10 800ft.
Bed Surface: 
Old Snow
Avalanche Length: 
800ft.
Number of similar avalanches: 
1
More detailed information about the avalanche: 

2 large (D2) loose wet avalanches occured in the Valentine Crique, likely during the rain event on 4/7. Both originated from cliff bands and took snow and rock down to almost the bottom of the cirque. One was on a NW aspect and ran from ~10,800' to ~10,300' (see photo). One was on a NE aspect and ran from ~11,200' to ~10,300' (see video).

Avalanche Photos: 
Avalanche observation video: 
Air temperature: 
Precipitation: 
Air temperature trend: 
Wind Direction: 
Accumulation rate: 
More detailed information about the weather: 

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