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Observation: Big Water

Observation Date
1/16/2022
Observer Name
Meredith Johnson
Region
Salt Lake » Mill Creek Canyon » Big Water
Location Name or Route
The Cone
Red Flags
Red Flags
Collapsing
Poor Snowpack Structure
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Decreasing Danger
Problem #1 Comments
Although the snow pack is healing, the danger is still out there. We found the persistent weak layer and were able to trigger a sudden collapse during non-standard stability test.
Snow Profile
Aspect
Northeast
Elevation
9,000'
Comments
Slope angle: 23 degree
Clear sky
Calm (no wind) Air temp: 27 degrees
Surface temp: 20 degrees
HS: 165 cm
165-150 is fist NSF
150-130 is 1 finger
130-115 is 1 finger plus
115-40 is pencil
40-28 is 4 finger plus
28-25 is a pencil MF crust
25-14 is 4 finger
14 to ground is ice
Stability Test Results:
CT 28 SC (sudden collapse) - non standard, dug to the ground
ECT X - non standard, failed P at 32
Today's Observed Danger Rating
Low
Tomorrows Estimated Danger Rating
Low