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Avalanche Forecast

Archived

Feb 12th, 2025–Feb 13th, 2025

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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Brandywine, Garibaldi, Spearhead, Tantalus, Sky Pilot.

Watch for wind slabs at upper elevations and in extreme terrain.

Continue to verify conditions in your area and practice good travel habits.

Confidence

High

Avalanche Summary

A few small wind slab avalanches were triggered in alpine terrain on Tuesday. Triggering wind slabs is becoming unlikely, except in extreme alpine terrain.

Snowpack Summary

Due to shifting wind at upper elevations, the surface snow has likely been changed by the wind. However, cold temperatures are helping to facet or soften slabs that were formed. Riding quality is generally good in sheltered areas as the cold has kept the surface soft. There may be a thin melt freeze sun crust on steep solar aspects.

A weak layer that was buried at the end of January is down 30 to 80 cm in the snowpack. Depending on where you are, it'll be a combo of different crystals. With crusts on sunny slopes, sugary facets in most places, and surface hoar in sheltered spots.

The mid and lower snowpack is strong and bonded.

Weather Summary

Wednesday Night

Clear skies. 10 km/h southeast ridgetop wind. Treeline temperature -10 °C.

Thursday

Sunny with some afternoon clouds. 10 km/h north ridgetop wind. Treeline temperature -5 °C.

Friday

Mix of sun and cloud. 30 km/h northwest ridgetop wind. Treeline temperature -7 °C.

Saturday

Cloudy with 2 to 5 cm of snow. 40 km/h southeast ridgetop wind. Treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • The snowpack is generally stable; it may be appropriate to step out into more complex terrain.
  • Carefully evaluate steep lines for wind slabs.

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.