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Avalanche Forecast

Archived

Dec 14th, 2024–Dec 15th, 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.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Northwest Inland, Nass, Seven Sisters, Howson, Kispiox, Microwave-Sinclair, North Bulkley, South Bulkley, South Bulkley, South Bulkley, Telkwa.

Watch the wind closely; when it picks up, wind slabs are likely to form.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported.

Please consider submitting your observations to the Mountain Information Network.

Snowpack Summary

10 to 25 cm of soft snow is covering a hard crust. At upper elevations, this newer snow has been blown by variable winds, creating wind slabs on lee slopes.

These slabs should bond quickly within the next few days. If you observe blowing snow, it indicates that new slabs are forming, and areas where the snow is accumulating should be avoided.

The mid and lower snowpack are not concerning at this time, and are made up of various hard layers and crusts.

Weather Summary

Saturday Night

Cloudy with 2 to 3 cm of snow. 10 to 20 km/h south ridgetop wind. Treeline temperature -7 °C.

Sunday

A mix of sun and cloud. 30 to 40 km/h west ridgetop wind. Treeline temperature -9 °C

Monday

A mix of sun and cloud. 40 km/h southeast ridgetop wind. Treeline temperature -12 °C.

Tuesday

Cloudy. 20 to 30 km/h southeast ridgetop wind. Treeline temperature -13 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to the wind; once it starts to blow, sensitive wind slabs are likely to form.
  • Wind slabs are most reactive during their formation.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.

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.