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Observation: South Sinks

Observation Date
2/4/2021
Observer Name
weed
Region
Logan » South Sinks
Location Name or Route
South Sinks
Weather
Sky
Overcast
Precipitation
Moderate Snowfall
Wind Direction
West
Wind Speed
Strong
Weather Comments
Blowing snow obscuring visibility, rapidly filling in tracks, and creating deep drifts of soft fresh snow in exposed mid elevation terrain.
Red Flags
Red Flags
Wind Loading
Cracking
Collapsing
Poor Snowpack Structure
Red Flags Comments
Significant drifting of soft fresh snow. My sled tracks would completely fill in due to drifting in less then 10 minutes.... Some new drifts as deep as three feet deep...! Cracking and collapsing noted in untouched meadows...
Avalanche Problem #1
Problem
Wind Drifted Snow
Trend
Increasing Danger
Problem #1 Comments
Noted significant drifting in exposed mid elevation terrain. In some areas I could cause cracking in the soft drifted snow with my sled.
Avalanche Problem #2
Problem
Persistent Weak Layer
Trend
Increasing Danger
Problem #2 Comments
Widespread very weak sugary or faceted snow in a couple different buried persistent weak layers. Avalanches could fail in faceted snow near the ground.
Comments
Anytime I got off the sled I would sink all the way to the ground in weak sugary snow; sometimes sinking in to my waist, other times to my knees.
Today's Observed Danger Rating
Considerable
Tomorrows Estimated Danger Rating
High