Avalanche Forecast

Issued: Jan 8th, 2025 4:00PM

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

Avalanche Canada Parks Canada, Avalanche Canada

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Watch for fresh wind slabs. Rapid loading from wind could overload our weak and shallow snowpack.

Summary

Confidence

Moderate

Avalanche Summary

Natural windslabs avalanches have been observed around the icefields area to size 1 from east aspects in the alpine. Also, there have been several loose dry avalanches from steep rocky terrain across the region.

Snowpack Summary

Windslabs have formed from moderate, gusting strong W-SW winds. Currently, the snowpack is averaging 60-120cm in depth at the treeline. 10-30cm sits atop a weakening melt freeze curst and surface hoar layer from early December. The middle of the snowpack is facetted and there is a deep persistent layer at the base of the snowpack consisting of an decomposing melt freeze crust and depth hoar.

Weather Summary

Thursday

Cloudy with sunny periods.

Precipitation: Nil.

Alpine temperature: High -7 °C.

Ridge wind west: 15 km/h.

Freezing level at valley bottom.

Friday

Cloudy with sunny periods and isolated flurries.

Precipitation: Trace.

Alpine temperature: Low -11 °C, High -7 °C.

Ridge wind west: 20 km/h gusting to 45 km/h.

Freezing level at valley bottom.

Terrain and Travel Advice

  • Approach lee and cross-loaded slopes with caution.
  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.

Problems

Wind Slabs

An icon showing Wind Slabs

Watchout for possible reverse loading from forecasted NW winds.

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

Elevations: Alpine.

Likelihood

Likely

Expected Size

1 - 2

Deep Persistent Slabs

An icon showing Deep Persistent Slabs

A variety of crusts with facets above and below exist at the bottom of the snowpack. These layers are going to be with us for a long time and pose a low probability, high consequence situation if triggered.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Unlikely - Possible

Expected Size

1 - 3

Valid until: Jan 9th, 2025 4:00PM

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