Natural avalanche impacting Stanford Camp

Location Name: 
Fallen Leaf Lake/Cathedral Peak
Region: 
Echo Summit Area
Observation Date & Time: 
Friday, March 10, 2023 - 21:00
Location: 
38.884700, -120.076832
See map: CalTopo
Is this an Avalanche Observation?: 
Yes


Conditions Alerts:

  • Avalanche Activity
  • Recent Loading
  • Recent Loading›Rain on Snow

Terrain Alerts: 
Slopes Steeper than 30 degrees
Terrain Matches the Advisory
Observation made by: Public

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Observation
Description of Snow, Weather, and Avalanche Conditions: 

Natural avalanche damaging infrastructure. Avalanche occurred sometime during the night of March 10 during the initial rain on cold unconsolidated snow event. No other details available.

Photo by South Tahoe Public Utility District.
Photo by South Tahoe Public Utility District.
Hide Avalanche Details
Failure Plane/Weak Layer: 
Old Snow
Hide Trigger
Trigger: 
Natural
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Aspect: 
East
Hide Size
Destructive Size: 
D3 Could bury and destroy a car, damage a truck, destroy a wood frame house, or break a few trees.
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Highest Precipitation Rate: 
Heavy Rain (RH= more than 7.5 mm /~.3 in of water per hour)
Precipitation: 
Rain
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