Avalanche: Summit

Location: General observation (Roadside Obs)

Route & General Observations

New Glide Avalanches on East Aspects, Point release (Loose Wet avalanches) on all aspects, Cornice Break/Shallow Slab Avalanche on Butch Peak (D1+), and new glide cracks forming on East aspects.

One human triggered avalanche above Lower Summit Lake. (Unknown time frame/Not previously reported.
Pictures to follow in next observation.

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger NaturalRemote Trigger0
Avalanche Type UnknownAspect Unknown
ElevationunknownSlope Angleunknown
Crown DepthunknownWidthunknown
Vertical Rununknown  
Avalanche Details

A variety of types and triggers. Very warm temperatures was the main cause. Glide, Cornice Break/Shallow slab, numerous point releases.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Obvious signs of instability
Recent Avalanches?Yes
Collapsing (Whumphing)?No
Cracking (Shooting cracks)?No
Observer Comments

Temperatures reaching into the 40's and 50's, Roller Balls, Cornice Break, Glide avalanches, new glide cracks, wide spread point release on all aspects, temperatures mainly above freezing overnight, and Rain today. Isolated areas of active wind loading on South and West aspects at highest elevations.

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Fresno: Past 24 hours Low 30F High 43F. Winds N-NE 15-25 with peak gust 37 mph

Summit Lake Past 24 hours Low 34 High 57F