Avalanche Forecast

Issued: Jan 10th, 2021 8:00AM

The alpine rating is low, the treeline rating is low, and the below treeline rating is low. Known problems include Wind Slabs.

Mike Smallwood,

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Expect windslabs in lee and crossloaded alpine features

Summary

Weather Forecast

A trace of snow today with light SW wind as the high pressure ridge traps a little moisture and valley cloud from the system to the west. Tomorrow light snow accumulating up to 10cm by the evening and mod to strong SW wind. Tuesday more snow with strong winds from S to W and temperatures rising before dropping off as the system passes.

Snowpack Summary

A thin surface crust on S and W aspects at all elevations and surface hoar 10mm in the shade to treeline. The Dec 26 surface hoar has been extremely hard to find down 70 on the old storm interface. The Dec 7th surface hoar/crust/facet layer is down 1.5m. Crusts and facets persist at the base of the snowpack

Avalanche Summary

Size 1-1.5s are catching people out in high consequence terrain in the park as well as nearby. Several skier accidentals were reported in the backcountry around RMR on Wednesday to size 2.5 including one burial to the neck

Confidence

on Sunday

Problems

Wind Slabs

An icon showing Wind Slabs

SW wind during the last storm has formed wind slabs in exposed terrain features in the Alpine and exposed areas of Tree Line. There have been several close calls recently involving windslabs in high consequence terrain in the surrounding area

  • Use caution above cliffs and terrain traps where small avalanches may have severe consequences.

Aspects: North, North East, East, South East, North West.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Jan 11th, 2021 8:00AM