Avalanche Forecast

Issued: Apr 1st, 2024 4:00PM

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

Avalanche Canada zryan, Avalanche Canada

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Pay attention to changing conditions. Fresh, reactive wind slabs are expected to form at upper elevations as temperatures drop and new snow accumulates.

Summary

Confidence

Moderate

Avalanche Summary

Small loose wet avalanche activity was reported over the past few days as warm temperatures and strong sun impacted the region.

The story changes on Tuesday as a storm impacts the region bringing strong winds and rain turning to snow. Watch for changing conditions as fresh, reactive wind slabs may form in leeward terrain features in the alpine and treeline.

Snowpack Summary

At lower elevations, rain will create a moist snow surface. At higher elevations, new snow accumulates on a crust or moist snow except high north-facing alpine where the snow surface may remain dry.

Weather Summary

Monday Night

Partially cloudy. Ridgetop winds southwest 20 to 50 km/h. Treeline temperature +2 °C. Freezing level drops to 2300 m.

Tuesday

Cloudy with rain turning to snow, 5 to 15 cm of accumulation. Treeline temperature drops to 0 °C. Freezing level drops to 1000 m.

Wednesday

A mix of sun and cloud with isolated flurries. Treeline temperature -7 °C. Freezing level at valley bottom.

Thursday

A mix of sun and cloud. Treeline temperature rising to 0 °C. Freezing level rising to 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Snow is accumulating at higher elevations despite lower elevations being almost snow free
  • Fresh wind slabs will likely form throughout the day, diligently watch for changing conditions.
  • Wind slabs are most reactive during their formation.

Problems

Wind Slabs

An icon showing Wind Slabs

Fresh, reactive wind slabs are expected to build on northerly aspects at upper elevations as new snow and strong southwest winds impact the region.

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

Elevations: Alpine, Treeline.

Likelihood

Possible - Likely

Expected Size

1 - 1.5

Valid until: Apr 2nd, 2024 4:00PM