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Observation: Kolob Region

Observation Date
2/21/2019
Observer Name
Steffan Gregory
Region
Southwest » Kolob Region
Location Name or Route
Black Canyon
Red Flags
Red Flags
Heavy Snowfall
Wind Loading
Cracking
Collapsing
Poor Snowpack Structure
Avalanche Problem #1
Problem
Persistent Weak Layer
Trend
Increasing Danger
Problem #1 Comments
Two clear calm nights before the storm created what is likely a surface hoar layer on this aspect.
Avalanche Problem #2
Problem
New Snow
Trend
Increasing Danger
Problem #2 Comments
New storm snow on top of this weak layer creaked cracking and propagation 20 feet off the tips of skis in terrain over 35 degrees in the upper 10-20cm of the new storm snow
Comments
Time: 09:16am
Elevation: 7690 feet
Wind: E
Sky: 8/8 Covered
Air temp: -8.5 c
Precip: S-1
HS:115
TESTS:
ECTP 4 @ 90cm
Today's Observed Danger Rating
Moderate
Tomorrows Estimated Danger Rating
Considerable
Coordinates