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Snow Survey - Eddy Mountains - Deadfall Lake

Ridgeline above Deadfall Lake, southwesterly wind loading leeward N-NE-E facing slopes
Location Name: 
Lower Deadfall Lake
Region: 
Mt Eddy
Date and time of observation: 
Sat, 03/09/2019 - 11:00am
Observation made by: 
Forecaster
Red Flags:
Recent avalanche activity
Whumphing noises, shooting cracks, or collapsing
Recent loading by new snow, wind, or rain

Location Map

96067 Mount Shasta , CA
United States
41° 19' 5.43" N, 122° 29' 59.9172" W
See map: Google Maps
California US

Snowpack Observations

Details

  • Snow survey was performed at the Deadfall Lake snow course
  • Average height of snow: 107 inches
  • Minor cracking along ridgelines and a small (D1) wind slab were observed on a northerly facing slope (see photo)
  •  Instabilities limited to fresh wind loading along ridgelines. Once down onto slope, stability was good.

Photos

  • Small D1 wind slab
  • Example of minor wind loading along ridge
  • Small D1 wind slab
  • Cracking along ridge on inconsequential test slope

Weather Observations

Details

  • Wind: Moderate - SW
  • Precip: Showery, (S-1) / 1-2 inches at lower elevations, 2-5 inches at upper elevations
  • Sky: Mostly obscured with brief blue moments of blue sky

Statistics

Cloud Cover: 
75% of the sky covered by clouds
Blowing Snow: 
Yes
Precipitation: 
Snow
Accumulation rate: 
Less than 1 in. per hour
Air temperature: 
Below Freezing
Air temperature trend: 
Static
Wind Speed: 
Moderate
Wind Direction: 
Southwest