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Avalanche: Dry Fork of AF

Observer Name
mark white
Observation Date
Wednesday, December 3, 2025
Avalanche Date
Wednesday, December 3, 2025
Region
Salt Lake » Little Cottonwood Canyon » Alta Periphery » Dry Fork of AF
Location Name or Route
Dry Fork
Elevation
10,400'
Aspect
Northeast
Slope Angle
38°
Trigger
Skier
Trigger: additional info
Remotely Triggered
Avalanche Type
Soft Slab
Avalanche Problem
Persistent Weak Layer
Weak Layer
Facets
Depth
12"
Width
30'
Vertical
200'
Comments

I went for a walk up to Catherine’s and ended up walking around in Dry Fork behind the Alta ski Resort. I was skiing on a low angle ENE facing slope that leads into a rollover with a little more tilt to the north. When I was walking up I could feel a denser wind slab sitting under the new snow from last night and today’s new snow and knew it was sitting on facets from earlier this year. I stopped at the rollover took a few steps and remotely triggered the slope from about 10ft away. The slide ran on facets at the ground. The crown was a foot deep and about 30ft wide. It would have been a fairly user friendly slide, but its the canary in the coal mine for incoming storms. Anywhere that there was old snow is suspect and will become off limits during this weekends forecasted storm.

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Video
Coordinates