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Conditions on Gray Butte

Location Name: 
Gray Butte
Mt. Shasta
Date and time of observation: 
Sun, 02/03/2019 - 1:00pm
Observation made by: 
Red Flags: 
Recent avalanche activityWhumphing noises, shooting cracks, or collapsingRecent loading by new snow, wind, or rain

Location Map

96067 Mount Shasta , CA
United States
41° 21' 1.3572" N, 122° 11' 32.2116" W
California US

Snowpack Observations


Conditions on Gray Butte @ 1:00 p.m. 20190204

  • Height of storm snow (HST): 35 - 45 cm (13 - 26 in).
  • Signs of instability: Small skier triggered storm slabs and wind slabs. 
  • Column tests: ECTN24 ↓ 30 cm, CT24 ↓ 30 cm RP
  • Temperatures: 28 degrees F at bottom of the skin track 6,800 feet, 25 degrees F at pit location 7,800 feet

Column tests indicate the presence of a storm slab problem especially coupled with reactive ski test results on steep slopes near and below treeline.


Weather Observations


Light to moderately snowing during the extent of the tour. Snow showers would come in and out. Snowing less than 1 inch per hour with showers of slightly more than 1 inch an hour at times. Small needle precipitation particles were the dominate grain form. No wind was observed at the bottom of the skin track. Light wind with moderate gusts out of the southwest was felt on ridgeline. 


Cloud Cover: 
100% of the sky covered by clouds
Blowing Snow: 
Accumulation rate: 
Less than 1 in. per hour
Air temperature: 
Below Freezing
Air temperature trend: 
Wind Speed: 
Wind Direction: