Avalanche on Echo Peak

Location Name: 
NE bowl of Echo Peak
Region: 
Echo Summit Area
Date and time of avalanche (best estimate if unknown): 
Sun, 04/16/2017 - 12:30
Location Map: 
United States
38° 51' 42.5736" N, 120° 4' 30.108" W
See map: Google Maps
US


Red Flags: 
Recent avalanche activity
Rapid warming
Observation made by: Public
Avalanche Observations
Avalanche Type: 
Wet
Loose/Point-Release
Slope: 
40degrees
Trigger type: 
Snowboarder
Crown Height: 
Less than 1 ft
Aspect: 
Northeast
Weak Layer: 
Old Snow
Terrain: 
Below Treeline
Elevation: 
8 500ft.
Bed Surface: 
Old Snow
Number of people caught: 
0
Number of partial burials: 
0
Number of full burials: 
0
More detailed information about the avalanche: 

A snowboarder's traverse above a rock outcropping triggered a point release blow the rocks. His traverse sloughed off another few inches below his track, widening the slide. All three in the party were well off to the side, and escaped unharmed.

Avalanche Photos: 
Weather Observations
Blowing Snow: 
No
Cloud Cover: 
100% of the sky covered by clouds
Air temperature: 
Above Freezing
Wind Speed: 
Calm
Precipitation: 
None
Air temperature trend: 
Warming
Wind Direction: 
Southwest
Accumulation rate: 
None
More detailed information about the weather: