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Observation: Sundance backcountry

Observation Date
12/18/2024
Observer Name
Meisenheimer / Weiss
Region
Provo » Provo Canyon » North Fork Provo R. » Sundance backcountry
Location Name or Route
Sundance Backcountry and Adjacent Terrain
Weather
Sky
Few
Wind Direction
Southwest
Wind Speed
Light
Weather Comments
High and dry.
Snow Characteristics
Snow Surface Conditions
Powder
Dense Loose
Faceted Loose
Wind Crust
Melt-Freeze Crust
Damp
Snow Characteristics Comments
Snowpack is becoming weaker and weaker once again.
Red Flags
Red Flags
Poor Snowpack Structure
Avalanche Problem #1
Problem
Persistent Weak Layer
Problem #1 Comments
Most of the terrain we traveled in was low-danger today. On Friday, December 13th, Mid Mountain (7,500') reported 9" snow with 0.93" water weight. A few avalanches were reported from control work and slope cuts the next day. Some were 800 feet wide and broke 6-8 inches deep. These avalanches, however, ran a reasonable distance and were just large enough to bury a person.
The recent new snow has settled to roughly 6 inches deep and has already started to become weak and faceted. Triggering an avalanche here is not likely as you sink to the ground in the bottomless sandbox. I would be more concerned in wind-loaded areas with a much harder slab over the weak layer. No collapsing or cracking was noted. The Extended Column Test did not propagate.
With these warm and sunny days, I only worried about weak snow that would be wind-drifted on northerly-facing terrain. Southerly-facing terrain on the SE, S, and SW was a non-issue, as many places were dirt or melted.
Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Moderate
Coordinates