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Giddy Giddy and Anaconda

wind loading quickly filling in recent tracks
Location Name: 
Giddy Giddy and Anaconda
Region: 
Mt. Shasta
Date and time of observation: 
Mon, 03/26/2018 - 9:00pm
Observation made by: 
Forecaster
Red Flags:
Recent loading by new snow, wind, or rain
Rapid warming

Location Map

Snowpack Observations

Details

  • No recent avalanches observed
  • Blowing snow visible above 9k – primarily loading easterly aspects
  • Drifts of snow 2-4 ft deep
  • Roller balls on steep south facing slopes up to 9k
  • Height of storm snow ranged from 40-70cm
  • Height of snow ranged from 120cm-200cm+ between 7,000-9,000 ft on the south side of Mount Shasta
  • Small wind lips and cornices along ridgelines
  • New snow is bonded well to itself and the old snow surface
  • Compression tests produced resistant planar factures within the storm snow and at the old/new interface. Extended column tests produced fractures on the old/new interface but no propagation (ECTN 25 down 60cm x2)

Photos

  • wind loading quickly filling in recent tracks above treeline
  • Anaconda, WSW aspect, 8400 ft, HS 160cm, ECTN 25 down 60cm

Weather Observations

Statistics

Cloud Cover: 
50% of the sky covered by clouds
Blowing Snow: 
Yes
Precipitation: 
Snow
Accumulation rate: 
Less than 1 in. per hour
Air temperature: 
Above Freezing
Air temperature trend: 
Warming
Wind Speed: 
Moderate
Wind Direction: 
Northwest