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Avalanche Forecast

Archived

Mar 11th, 2024–Mar 12th, 2024

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

Regions

Clearwater, South Okanagan, Shuswap, North Okanagan.

Danger ratings have dropped but continue to assess conditions as you travel.

Expect to find small wind slabs near ridgelines.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the last 3 days.

Please submit a MIN report if you have travelled in the backcountry recently.

Snowpack Summary

Surface conditions include sun crusts on south facing slopes, wind-affected snow in exposed areas at higher elevations, and small amounts of settling snow in sheltered terrain.

A widespread crust is buried 40-90 cm deep, in some areas a weak layer of facets can be found above. However recent tests suggest this layer is gaining strength and avalanche activity is unlikely. No recent avalanche activity has been reported on this layer in this region.

The snowpack below this crust is strong and well bonded.

Weather Summary

Monday Night

Cloudy with isolated flurries. 20-40 km/h southerly ridgetop wind. Freezing levels around 1500 m.

Tuesday

Partly cloudy with up to 5 cm of snow possible. 20-30 km/h southerly ridgetop wind. Freezing levels around 1500 m, treeline temperature -2 °C.

Wednesday

Mostly clear skies. 10-20 km/h westerly ridgetop wind. Freezing levels around 1500 m, treeline temperature -2 °C.

Thursday

Clear skies. 10-20 km/h westerly ridgetop wind. Freezing levels spike to 2500 m, treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Make observations and assess conditions continually as you travel.
  • Avoid freshly wind loaded terrain features.
  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.

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.