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

Regions

North Columbia, South Columbia, Clearwater, Esplanade, Jordan, North Selkirk, Shuswap, West Purcell, Badshot-Battle, Central Selkirk, Goat, Gold, North Okanagan.

Watch for pockets of wind slab in leeward alpine features, they may remain triggerable by riders.

Confidence

Moderate

Avalanche Summary

A handful of small (size 1) skier-triggered storm and wind slab avalanches up to 30 cm deep were reported in the alpine on Monday. Solar-triggered loose wet avalanches were observed up to size 2 in steep alpine terrain.

Last week, cornice failures were notably not propagating any weak layers on slopes below but there was one report of an anomalous remotely skier-triggered size 2 failing on moist snow below a recently buried crust.

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

Mostly clear. 10 to 30 km/h southeast ridgetop wind. Treeline temperature +3 °C. Freezing level 2300m.

Wednesday

Mostly cloudy with flurries bringing up to 5 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2000m.

Thursday

A mix of sun and cloud. <20 km/h northwest ridgetop wind. Treeline temperature 0 °C. Freezing level 2000m.

Friday

Mostly cloudy with a trace of snow. 10 to 20 km/h southeast ridgetop wind. Treeline temperature 0 °C. Freezing level 2000m.

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.