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Observations

Region: Turnagain
Location: Upper Seattle Creek drainage, headwall area
Observer:
Date:

Route & General Observations

Rode into the upper portions of Seattle Creek drainage to look at the problem weak layer plaguing the region currently.

Red Flags

Observer Comments

None

Weather

Weather

Mostly sunny, temps in the upper 20's F and light easterly winds.

Snow Characteristics

Snow surface

4-8" of low density powder snow.
Small surface hoar growing on top (2-5mm)

Snowpack

We dug several snowpits to see what the MLK BSH layer (Martin Luther King Jr. Buried Surface Hoar) was doing.

Pit #1:
NE, 3,300', 20 degree slope
CT 24, 40cm down on MLK BSH
ECTN 30+, same layer

Pit #2:
N, 3,100', 30 degree slope
ECTX, could not find the MLK BSH

Pit #3:
E, 3,000, 15 degree slope
2x ECTN, 35cm down in the MLK BSH mixed with facets

Pit #4 Repeat Offender slide path:
E 2,500', 15 degree slope
ECTP 19, 40cm down MLK BSH
2x EXTN 30+, same layer

Bottom line: We found the worrisome layer roughly 14-20" down in all pits but one on a N aspect. Only one pit (2,500' Repeat Offender slide path) showed propagation potential. Although these stability tests are showing a strengthening snowpack, these tests cannot be trusted unfortunately. As seen in the events on Eddies ridge from yesterday (Feb, 6).

Photos & Video

Video

Photos



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