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Observation: Short Swing

Observation Date
11/29/2022
Observer Name
Brett Carroll
Region
Salt Lake » Big Cottonwood Canyon » Mill D North » Short Swing
Location Name or Route
Short Swing/Mill D North
Red Flags
Red Flags
Cracking
Avalanche Problem #1
Problem
New Snow
Trend
Decreasing Danger
Problem #1 Comments
We experienced several instances of shooting cracks up to 20 feet long while breaking trail up the northern flank of short swing around 1130am. West facing slope, and the problem seemed to be most reactive between 8-8500 feet. Failure was on the new/old interface, with the former snow surface being a thin melt freeze crust. This problem seemed to become less reactive even over the course of a few hours.
Comments
There was a little wind effect at the top of short swing (9200'), but minimal loading/slab formation. Didn't directly observe anywhere with new snow on our NSF layer
Today's Observed Danger Rating
High
Tomorrows Estimated Danger Rating
Considerable