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Avalanche Forecast

Archived

Apr 23rd, 2024–Apr 24th, 2024

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

Regions

Cariboos, Blue River, McBride, Premier, Quesnel, Sugarbowl, Clemina, North Monashee, Renshaw, Robson.

Watch for isolated pockets of wind slab in leeward alpine features.

Confidence

Low

Avalanche Summary

A couple of large cornice failures were observed last week in high alpine north-facing terrain. These loads notably did not propagate any weak layers on the slopes below.

Snowpack Summary

A dusting of new snow falls over widespread crusty surfaces on all but high north-facing alpine terrain, where snow is dry and likely wind affected. There are no deeper concerns at this time.

Weather Summary

Tuesday night

Partly cloudy. 20 to 30 km/h southwest ridgetop wind. Treeline temperature +2 °C. Freezing level 2200m.

Wednesday

Mostly cloudy with flurries bringing 5 to 10 cm. 10 to 30 km/h southwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1900m.

Thursday

5 to 15 cm overnight then a mix of sun and cloud. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -1 °C. Freezing level 1900m.

Friday

A mix of sun and cloud. <10 km/h east ridgetop wind. Treeline temperature +1 °C. Freezing level 2200m.

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.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.

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.