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Conditions Below, Near, and Above Treeline Lower Green Butte Ridge (Broadway) to 8,500 feet

Location Name: 
Conditions Below, Near, and Above Treeline Lower Green Butte Ridge (Broadway) to 8,500 feet
Region: 
Mt. Shasta
Date and time of observation: 
Mon, 01/07/2019 - 2:45pm
Observation made by: 
Forecaster
Red Flags:
Recent loading by new snow, wind, or rain
Obvious avalanche path

Location Map

United States
41° 22' 9.0552" N, 122° 13' 13.0368" W
See map: Google Maps
US

Snowpack Observations

Details

Conditions below treeline along Broadway ridge 7,500 feet SW (1:15 p.m.):

  • HN24: 12-15 inch (30 -38 cm).
  • Calm little to no wind.
  • Lightly snowing less than 1 in per hour

Conditions near treeline 8,100 feet SW (1:50 p.m.):

  • Total snow height 60-65 inches ( 160-180 cm ).
  • HN24: 8-12 inches ( 20- 30 cm)
  • Stability test results:
    • CTE3 4 inch deep (12 cm ) Q3 - irregular fracture. 
    • CTM11 10 inch deep (24 cm ) Q2 - progressive compression
    • CTH21 35 inch deep (88 cm) Q1- sudden collapse
  • Calm little to no wind.
  • Snowing ever so slightly. Less than 1 inch per hour. 
  • Low visibility. 

Conditions Above Treeline: 8,500 Feet SE Ridge (2:30 p.m.)

  • Wind scoured snow with variable surface textures. 
  • Light to Moderate SE wind.
  • Evidence of wind towards the north during the storm.
  • Drifs forming on leeward sides of ridges
  • Striped windward sides of ridges.

 

Photos

  • Conditions below treeline along green butte ridge 7,500 feet SW (1:15 p.m.)
  • Conditions near treeline 8,100 feet SW (1:50 p.m.)
  • Conditions Above Treeline: 8,500 Feet SE Ridge (2:30 p.m.)

Weather Observations

Statistics

Cloud Cover: 
100% 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: 
Warming
Wind Speed: 
Light
Wind Direction: 
Southeast