Professional Observation
Basic Information
Observation Details
Observation Date:
February 14, 2023Submitted:
February 14, 2023Observer:
Barbara Wanner | Key ObserverZone or Region:
Lee ViningLocation:
Natural Wind Slab in Dream BowlSigns of Unstable Snow
Recent Avalanches?
YesCracking?
IsolatedCollapsing?
None ExperiencedSnow Stability
Stability Rating:
FairConfidence in Rating:
HighStability Trend:
SteadyKey Points
- Natural wind slab in Dream Bowl.
- D 1.5 , HS, crown 15 cm to 40 cm deep and about 100 m wide.
- P hard WS ran on facets buried by the most recent wind event. Seemed to have stepped down and entrained the older wind slab form February 4/5. Bed surface was P hard and there appears to have been another layer of facets buried underneath the older wind slab.
- The avalanche ran about 200 m in distance and 350 ft in elevation.
- Startzone NE at 10,200 ft.
- I think this avalanche must have run at some point during the last 48 hrs. The debris was covered with a dusting of new snow from today.
Advanced Information
Weather Summary
Cloud Cover:
Mostly SunnyTemperature:
below freezingWind:
Moderate , WAvalanche Observations
Quick crown profile 1
Quick crown profile 2 in slightly different spot.
