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Avalanche Forecast

Archived

Jan 12th, 2025–Jan 13th, 2025

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

Regions

Cariboos, North Rockies, McBride, Quesnel, Sugarbowl, Kakwa, McGregor, Pine Pass, Renshaw.

Strong wind may cause new slabs to form at all elevations.

Assess the bond in your area.

Confidence

Moderate

Avalanche Summary

A widespread natural avalanche cycle occurred on Friday continuing into Saturday. Small to very large (size 3) storm slabs were reported. Also, one large cornice failure was reported on an east-northeast feature.

Snowpack Summary

Moderate wind is expected to continue transporting snow in exposed areas. Forming slabs in lees.

Around 50 cm of snow sits on a variety of layers, including surface hoar, crusts, and sugary facets. Recent storm snow may take longer to bond because of these layers.

The middle and lower snowpack is generally strong with no weak layers of concern.

Weather Summary

Sunday Night

Mostly cloudy. 40 to 80 km/h west ridgetop wind. Treeline temperature -8 °C.

Monday

Mostly cloudy. 40 to 70 km/h west ridgetop wind. Treeline temperature -7 °C.

Tuesday

Mostly cloudy with 1 cm of snow. 70 to 80 km/h west ridgetop wind. Freezing level 1700 m. Treeline temperature 0 °C.

Wednesday

Cloudy with 1 cm of snow. 40 km/h west ridgetop wind. Freezing level 1400 m. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Wind slabs are most reactive during their formation.
  • Sheltered slopes at lower elevations will offer the safest 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.