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Avalanche Forecast

Archived

Nov 28th, 2023–Nov 29th, 2023

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

Kitimat, Nass, Rupert, Seven Sisters, Shames, Howson, Microwave-Sinclair.

Exercise caution around exposed ridges and sudden breaks in terrain for lingering wind slab risk.

Confidence

Low

Avalanche Summary

No recent avalanches have been reported.

If you do go into the backcountry, consider submitting a Mountain Information Network report.

Snowpack Summary

Up to 30 cm of recent snow has buried a widespread crust, that varies in thickness and strength.

The mid and lower snowpack appears to be well-bonded, but field observations have been limited early in the season.

The height of snow at treeline is roughly 50 to 100 cm, and decreases drastically at lower elevations.

Weather Summary

Tuesday night

Cloudy with 0 to 3 cm of snow, west alpine wind 30 to 40 km/h, treeline temperature -3 °C.

Wednesday

Cloudy with 0 to 3 cm, south alpine wind 30 to 40 km/h, treeline temperature -4 °C.

Thursday

Cloudy with 0 to 5 cm, south alpine wind 40 to 50 km/h, treeline temperature -6 °C.

Friday

Cloudy with 0 to 2 cm, south alpine wind 50 to 60 km/h, treeline temperature -6 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Early season avalanches at any elevation have the potential to be particularly dangerous due to obstacles that are exposed or just below the surface.

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.