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Avalanche Forecast

Archived

Dec 4th, 2024–Dec 5th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches possible, human triggered probable.

Regions

Cariboos, North Columbia, Blue River, Clearwater, Premier, Quesnel, Clemina, Esplanade, Jordan, North Monashee, North Selkirk.

Wind slabs can still be a concern at higher elevations. If the inversion is strong, avoid snow that is becoming moist as it could produce a small avalanche.

Confidence

Low

Avalanche Summary

No significant avalanches were reported.

Observations remain limited this early in the season. If you head into the backcountry, please post to the Mountain Information Network.

Snowpack Summary

Wind affected snow exists in exposed terrain at higher elevations. Surface hoar is widespread on slopes sheltered from the sun and wind at all elevations. A suncrust has formed on steeper slopes exposed to the sun.

A buried layer of surface hoar may be present in isolated areas, located 10 to 30 cm beneath the surface. The mid snowpack is generally well settled, with an early November crust buried 50 to 100 cm deep.

Snow depths at treeline range from 80 to 150 cm and decrease quickly at lower elevations.

Weather Summary

Wednesday Night

Mainly cloudy. 10 to 20 km/h southwest ridgetop wind. The above-freezing layer will keep alpine temperatures around 0°C. Treeline temperatures near -3 °C. Freezing levels 1500 m.

Thursday

Cloudy with sunny periods. 20 to 30 km/h southwest ridgetop wind. The above-freezing layer brings alpine temperatures around 2 °C. Treeline temperatures near -2 °C. Freezing levels near 1500 m.

Friday

Flurries. New snow 5 to 15 cm. 30 to 40 km/h southwest ridgetop wind. Treeline temperatures around -2 °C. Freezing levels 1500 m.

Saturday

Flurries. New snow 10 to 25 cm. 25 to 30 km/h southwest ridgetop wind. Alpine temperatures near -3 °C. Freezing levels 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Back off slopes as the surface becomes moist or wet with rising temperatures.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

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.