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Avalanche Forecast

Archived

Apr 5th, 2024–Apr 6th, 2024

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Sasquatch, Sasquatch, Coquihalla, Harrison-Fraser, Manning, Skagit.

Low danger does not mean no danger.

Pay attention to isolated wind slabs on alpine features.

Confidence

High

Avalanche Summary

No recent avalanche activity has been reported. Localized loose wet avalanches are still possible during sunny breaks.

If you go into the backcountry, please consider submitting to the Mountain Information Network.

Snowpack Summary

At upper elevations, 10 to 15 cm of recent snow has accumulated over moist snow or a crust on all aspects, except north-facing alpine slopes where dry remained. Small pockets of wind slabs have likely formed in all alpine terrain with recent wind from different directions. At lower elevations, a moist snowpack or a surface crust is found.

The mid and lower snowpack are generally well-bonded. The height of snow is about 200 cm at treeline.

Weather Summary

Friday Night

Cloudy with 3 to 5 cm of new snow. 20 to 30 km/h west ridge top wind. Treeline temperature -4 °C. Freezing level 700 m.

Saturday

Cloudy with isolated flurries. 20 to 30 km/h southwest ridge top wind. Treeline temperature rising to 0 °C. Freezing level 1200 m.

Sunday

Cloudy with 5 to 10 cm of snow. 30 to 40 km/h southwest ridge top wind. Treeline temperature rising to 0 °C. Freezing level 1200 m.

Monday

Cloudy with isolated flurries. 30 to 50 km/h southwest ridge top wind. Treeline temperature rising to 0 °C. Freezing level 1200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Carefully evaluate steep lines for wind slabs.
  • Watch for unstable snow on specific terrain features, especially when the snow is moist or wet.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.