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Avalanche Forecast

Archived

Dec 23rd, 2023–Dec 24th, 2023

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

Regions

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

Look for changing conditions and signs of instability as you gain elevation.

Wind slab and surface hoar layers may still be reactive to rider traffic.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in this region. Observations have been limited.

If you go out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

Recent storm snow has been redistributed into wind slab near ridge crests by southerly winds. Below treeline a new crust is on or near the surface.

The mid pack contains several layers of note; a layer of surface hoar and a crust down 20 to 40 cm, a significant crust from the early December rain event down around 50 cm and a layer of surface hoar down 50 to 90 cm.

The make up of the lower snowpack is variable throughout the region but is generally not concerning at this time.

Weather Summary

Saturday Night

Clear skies with no new snow expected, southeast alpine wind 10 to 20 km/h, treeline temperature -10°C.

Sunday

Mostly sunny with no new snow expected,  southeast alpine wind 20 to 40 km/h, temperature inversion possible, treeline temperature -5°C.

Monday

Mostly sunny with no new snow expected, south alpine wind 20 to 40 km/h, temperature inversion possible, treeline temperature -8°C.

Tuesday

A mix of sun and cloud with trace amounts of new snow expected, south alpine wind 15 to 35 km/h, treeline temperature -3°C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Uncertainty is best managed through conservative terrain choices at this time.
  • Keep in mind that human triggering potential persists as natural avalanching tapers off.
  • Carefully assess open slopes and convex rolls where buried surface hoar may be preserved.
  • Carefully evaluate steep lines for wind slabs.

Problems

Persistent Slabs

Persistent Slab avalanches are the release of a cohesive layer of snow (a slab) in the middle to upper snowpack, when the bond to an underlying persistent weak layer breaks. Persistent layers include: surface hoar, depth hoar, near-surface facets, or faceted snow. Persistent weak layers can continue to produce avalanches for days, weeks or even months, making them especially dangerous and tricky. As additional snow and wind events build a thicker slab on top of the persistent weak layer, this avalanche problem may develop into a Deep Persistent Slab.

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.