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Observations in Avalanche Gulch

Location Name: 
Climbers Gulch
Mt. Shasta
Date and time of observation: 
Wed, 01/29/2020 - 5:30am
Observation made by: 
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° 22' 46.308" N, 122° 13' 3.6804" W
California US

Snowpack Observations


Conditions at 9,000 ft, 5:30 a.m. in climbers gully:

  • 2' of wind transport snow
  • ECTP 11 Q2 ↓ 20 cm on 1F wind-broken precipitation particles; 20-25 cm F sugary snow.
  • 4F down to prior snow interface (wind-broken precipitation particles)
  • D.5-1 wind slab observed off of lower Cassival above Spring Hill. Whumpfing observed in climbers gully at 9,000 ft and 10,400 ft.

Weather Observations


Descent from Helen at 8:00 a.m. Strong winds persisted; visibility intermittent; clearing.