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Avalanche Forecast

Archived

Dec 13th, 2024–Dec 14th, 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, Ningunsaw, Ningunsaw, Ningunsaw, 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 20 cm of soft snow is covering a hard crust. At upper elevations, this newer snow has been blown by moderate winds, creating wind slabs on lee north and west facing slopes.

Depending on how much new snow falls during the storm on Saturday, these slabs may remain rider-triggerable for a few days.

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

Weather Summary

Friday Night

Cloudy with 3 to 7 cm of snow. 25 to 35 km/h southeast ridgetop wind. Treeline temperature -7 °C.

Saturday

Cloudy with 1 to 4 cm of snow. 20 to 30 km/h southeast ridgetop wind. Treeline temperature -3 °C.

Sunday

A mix of sun and cloud. 30 to 40 km/h west ridgetop wind. Treeline temperature -6 °C.

Monday

Mostly cloudy. 40 km/h southeast ridgetop wind. Treeline temperature -11 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • A hard crust on the snow surface will help strengthen the snowpack, but may cause tough travel conditions.
  • Be careful 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.