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East of Mount Shasta - Northeast Crest Conditions

Location Name: 
South Face of Rainbow Mountain
Region: 
East of Mt Shasta
Date and time of observation: 
Thu, 01/24/2019 - 1:00pm
Observation made by: 
Forecaster
Red Flags:

Location Map

96067 Mount Shasta , CA
United States
41° 28' 18.804" N, 121° 57' 17.262" W
See map: Google Maps
California US

Snowpack Observations

Details

South face of Rainbow Mountain on 1.24.19

  • Old, broken cornices and avalanche crown lines continue be observed from last weekend.
  • Below 7,000 feet, deep rain runnels, widespread glide cracks and massive slumping of the snowpack exists from our January 19th rain on snow event.
  • Corn snow has been shaping up on supportable, southerly surfaces near and above treeline. Minor roller balls were observed on steeper, protected, sunny slopes.
  • Icy surfaces beneath trees and also along ridgelines
  • Breakable crust on shadier slopes
  • Evidence of high winds with needle casts and broken limbs on snow surfaces
  • No signs of instability

Photos

  • Top of Rainbow Mountain
  • Looking east along the Northeast Crest
  • Widespread rain runnels, glide cracks and slumping of snowpack from Jan 19th rain on snow event
  • Deep, hard and often breakable rain runnels below treeline
  • The south face of Rainbow Mtn
  • Large, hard cornices hanging over the north side of the Northeast Crest

Weather Observations

Details

  • Sunny and warm with a cool breeze out of the northwest
  • Clear, unobscured skies
  • No precip or blowing snow

Statistics

Cloud Cover: 
Clear
Blowing Snow: 
No
Precipitation: 
None
Accumulation rate: 
None
Air temperature: 
Above Freezing
Air temperature trend: 
Warming
Wind Speed: 
Calm
Wind Direction: 
Northwest