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Avalanche Forecast

Archived

Jan 13th, 2025–Jan 14th, 2025

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

No new avalanches were reported on Sunday.

On Saturday a rider triggered a large wind slab and was fully buried against a tree. The victim was dug out very quickly by their party.

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

Strong to extreme wind will likely pickup any soft snow and transport it far downslope. Watch for slabs lower than normal.

In sheltered areas around 50 cm of snow sits on a variety of layers, including surface hoar, crusts, and sugary facets. Wind slabs 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

Monday Night

Cloudy. 40 to 70 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Tuesday

Cloudy with 0 to 2 cm of snow. 50 to 100 km/h southwest ridgetop wind. Treeline temperature -3 °C.

Wednesday

Cloudy with 10 to 20 cm of snow. 40 to 50 km/h southwest ridgetop wind. Freezing level 1700 m. Treeline temperature -1 °C.

Thursday

Cloudy with 10 to 20 cm of snow. 20 to 40 km/h northwest ridgetop wind. Treeline temperature -7 °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.