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General Conditions at Castle Lake

Location Name: 
Castle Lake
Castle Lake
Date and time of observation: 
Wed, 12/05/2018 - 12:00pm
Observation made by: 
Professional Observer
Red Flags: 

Location Map

96067 Mount Shasta , CA
United States
41┬░ 14' 22.5492" N, 122┬░ 22' 14.6784" W
California US

Snowpack Observations


General conditions observed on a tour to Castle Lake weather station:

  • Lake is not fully frozen and will not support weight.
  • HS: 25-45 cm (10-17 in).
  • Chaparral is mostly buried, though many obstacles exist just beneath the surface snow. Skiing is possible but only for the desperate and adventurous.
  • Ski penetration (PS): 7-12 cm (3-5 in).
  • No signs of instability.

As cloud cover dissipated, surface snow began changing rapidly. Snow falling from trees is pockmarking the surface snow under trees. If considering a ski tour at Castle Lake, you may want to wait for the next round of storms.


  • Middle Peak
  • Right Peak
  • Left Peak
  • Open Areas: 10-17 inches of snow
  • Ski Penetration (PS): 3-4 inches
  • Snow falling from trees - changing surface snow rapidly
  • Bear Paw Penetration: 4-5 inches

Weather Observations


Cloud Cover: 
25% of the sky covered by clouds
Blowing Snow: 
Accumulation rate: 
Air temperature: 
Above Freezing
Air temperature trend: 
Wind Speed: 
Wind Direction: