Avalanche Forecast

Issued: Apr 15th, 2024 2:30PM

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

Avalanche Canada Dvonk, Avalanche Canada

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Winter will make an appearance once again. Cold temperatures and up to 20+ cm of snow on Tuesday. If you do get skiing, be cautious of the sluffing in steeper terrain as the snow will likely not bond well with the colder temps

Summary

Confidence

High

Avalanche Summary

Teams started early today and were out of the Field by 11am. No new avalanches observed, but continued evidence of loose wet on solar aspects.

Snowpack Summary

Monday morning had a good radiation freeze and locked in the snowpack well where previously moist from the high freezing levels. This was breaking down on east aspects by 10am. It's very much a spring snowpack up to about 2400m. Above that there are still layers, including the Feb persistent layer and the deep basal layers.

Weather Summary

We are entering a spring storm cycle. Monday night will see a drastic change in the weather and flurries starting. Tuesday morning current models anticipate 17 cm of snow throughout the day, increasing winds to 50km/h out of the NorthWest and cooling temperatures down to -8. Wednesday the sun will try and appear as the cold are descends on the region. Low temps of -15.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be cautious of sluffing.
  • Avoid thin areas like rock outcroppings where you're most likely to trigger avalanches failing on deep weak layers.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

Problems

Loose Dry

An icon showing Loose Dry

New storm snow sluffing easily on buried frozen layers.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Very Likely - Certain

Expected Size

1 - 2

Wind Slabs

An icon showing Wind Slabs

Fresh wind slabs are possible in immediate lee and cross loaded features within the new snow.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Very Likely

Expected Size

1.5 - 2.5

Persistent Slabs

An icon showing Persistent Slabs

Still a problem on the polar, alpine areas.

Aspects: North, North East, North West.

Elevations: Alpine.

Likelihood

Unlikely - Possible

Expected Size

1.5 - 3

Valid until: Apr 16th, 2024 3:00PM