Avalanche Forecast

Issued: Feb 2nd, 2021 4:11PM

The alpine rating is considerable, the treeline rating is moderate, and the below treeline rating is moderate. Known problems include Storm Slabs and Loose Dry.

Deryl Kelly,

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Be patience and cautious with the storm snow. The whole snowpack will need a little time settle with the new load.

Ice climbers beware of the significant new load on benches and ledges.

Summary

Weather Forecast

Snowpack Summary

Storm total of 30cm accumulated in the Icefields region. New snow over a mixed, facet interface to a strong mid-pack. Bond at the storm interface showing mixed results through the forecast region.

Avalanche Summary

Avalanche control team on the Icefields Parkway got good results on the storm interface with large explosives.

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Confidence

Problems

Storm Slabs

An icon showing Storm Slabs

Likelihood and size dependent on wind effect and precip amounts

  • Minimize exposure during periods of heavy loading from new snow and wind.
  • Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Possible - Likely

Expected Size

1 - 2.5

Loose Dry

An icon showing Loose Dry

Size and likelihood dependent on precip amounts. Previous surface faceting could make this problem more reactive.

  • Be careful of loose dry power sluffing in steep terrain.
  • Avoid travelling on ledges and cliffs where sluffing may have severe consequences.

Aspects: All aspects.

Elevations: All elevations.

Likelihood

Likely

Expected Size

1 - 2

Valid until: Feb 3rd, 2021 4:00PM