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Avalanche Forecast

Archived

Feb 13th, 2024–Feb 14th, 2024

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

Sea To Sky, Brandywine, Garibaldi, Homathko, Spearhead, Tantalus.

Recently formed wind slabs may overlay weak surface hoar or faceted snow.

Confidence

High

Avalanche Summary

Numerous natural, skier, and explosive-triggered wind or storm slab avalanches, up to size 2, have been reported since Sunday. The majority of these avalanches occurred in alpine terrain, on a variety of aspects.

If you do go into the backcountry, please consider submitting a MIN report.

Snowpack Summary

Roughly 30 cm of recent snow has been redistributed by strong northerly winds. Below the recent snow, large surface hoar crystals and/or faceted crystals exist in wind-sheltered terrain at treeline and above.

A widespread, supportive crust exists down approximately 30 to 40 cm from the surface.

Below this crust, the mid and lower snowpack remains well-bonded with no layers of concern.

Weather Summary

Tuesday Night

Clear skies. 20 to 30 km/h northeast ridgetop wind. Treeline temperature -6 °C.

Wednesday

Sunny. 40 to 50 km/h east ridgetop wind. Treeline temperature -8 °C.

Thursday

Sunny. 50 to 60 km/h east ridgetop wind. Treeline temperature -8 °C.

Friday

Sunny. 30 to 40 km/h east ridgetop wind. Treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • Investigate the bond of the recent snow before committing to your line.

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.