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Avalanche Forecast

Archived

Feb 19th, 2024–Feb 20th, 2024

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

Regions

South Coast, Powell River, North Shore, Sasquatch, Sasquatch, Tetrahedron.

Use extra caution in the alpine where rider triggerable wind slabs could still be found.

On the North Shore a diminishing snowpack will make for challenging travel.

Confidence

High

Avalanche Summary

No recent avalanches have been observed in the North Shore mountains.

Snowpack Summary

A surface crust exists on or just below the surface to the top of the North Shore mountains.

Higher elevations in other parts of the region have widespread wind-affected surfaces and the potential for wind slab over facets. The snow surface will likely become moist throughout the day at lower elevations.

Conditions remain rugged at lower elevations.

Weather Summary

Monday Night

Mostly cloudy  with trace amounts of new snow possible at higher elevations. 10 to 20 km/h southeast alpine wind.  Freezing level falling to 1300 m.

Tuesday

Cloudy with up to 10 mm of mixed precipitation expected. 15 to 30 km/h southeast alpine wind. Freezing level rising to 1600 m.

Wednesday

Cloudy with up to 15 mm of mixed precipitation expected. 20 to 35 km/h southeast alpine wind. Freezing level around 1600 m.

Thursday

Mostly cloudy with up to 5 mm of rain. 5 to 15 km/h southeast alpine wind. Freezing level around 1700 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • A crust on the surface will help bind the snow together, but may make for tough travel conditions.

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.