Detailed Observation

ObserverGareth Brown

General Observations

4/17 Cracked Ice up to 6200':  North aspect, Clear, Calm with light southwest wind on ridge tops, 39° F at 5 pm at 6000'.  

Shooting Cracks: No

Collapsing: No

Avalanches: Yes, Widespread wet loose avalanches all aspects and elevations.  Full depth wet slabs were also noted on south aspects originating from 2-4000 feet elevation.

Found the surface to be very wet (could easily squeeze water out of a snowball), and the snowpack to be isothermal below 3000'.  Between 3,000-4,500' the top 15-30 cms was wet, (difficult to squeeze water from a snowball).  Above 4500' up to the summit ridge at 6200' the surface snow was moist (could easily form a snowball).  


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Observed Avalanche Activity