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Professional Observation

       

Basic Information

Observation Details

Observation Date:
April 11, 2023
Submitted:
April 11, 2023
Observer:
Everett Phillips | ESAC Forecaster
Zone or Region:
Convict Creek
Location:
Mini Morrison - Alpine Conditions

Signs of Unstable Snow

Recent Avalanches? 
Yes
Cracking? 
None Experienced
Collapsing? 
None Experienced

Key Points

Alot of ski touring parties were out in Convict Creek today. Tracks were visible in challenging, complex and extreme terrain throughout the area.

  • Ski and boot penetration was 0cm – 5cm throughout the morning
  • Partly cloudy skies delayed the onset of surface melting until afternoon
  • Temperatures were above 40 degrees F in the alpine today.
  • Wind hardened surfaces in the alpine are helping the snowpack tolerate this warm-up
  • No recent slabs avalanches observed

Media

Wet Loose action around 9000' on East. Some from previous day some from today. 4/11/23
Dry to moist surface snow (and upper snowpack) on north aspects above 10,500'.
Boot penetration above the knee at 9000' in a flat area at 2:30 PM. Upper snowpack saturated with melt water.

Advanced Information

Weather Summary

Cloud Cover:
Partly Cloudy
Temperature:
41 F @ 2PM 11,200'
Wind:
Calm

Avalanche Observations

 #  Date Location Size Type Bed Sfc Depth Trigger Comments Photo
1 Past 24 hours Mini Morrison
E 9000' 		D1.5 WL N-Natural None
2 Past 48 hours Mini Morrison
E 9000' 		D1.5 WL N-Natural None
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