Shooting Cracks on Frog Lake Ridge

Location Name: 
Frog Lake Ridge above Frog Lake
Region: 
Carson Pass Area
Date and time of observation: 
Thu, 12/20/2012 - 23:30


Red Flags: 
Whumphing noises, shooting cracks, or collapsing

Observation made by: Public
Snowpit Observations
More detailed information about the snowpack: 

 Skier triggered cracks on low angle slope above Frog Lake. Crack propagated approximately 10 m across slope. A pit was dug in the area on a 40 deg slope. Pit showed easy failure in wind loaded slab ~ 15-30 cm deep.  Both slopes were NW aspects.  

Snowpack photos: 
Weather Observations
Blowing Snow: 
Yes
Air temperature: 
Below Freezing
Wind Speed: 
Strong
Precipitation: 
None
Air temperature trend: 
Static
Wind Direction: 
Northeast
Accumulation rate: 
More detailed information about the weather: