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Avalanche Forecast

Archived

Jan 31st, 2022–Feb 1st, 2022

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

Regions

Yukon.

Continue to assess the wind effect in exposed terrain before committing to a feature.

Confidence

Moderate -

Weather Forecast

Monday night: light to moderate north winds with noe new snow expected. Low of -26 at 1100m.

Tuesday: light snow starting in the evening . High of -23 at 1100m. Winds will be light to moderate from the North during the day and switching to the southwest late in the evening.

Wednesday: up to 5cm of new snow with moderate west winds. High of -19 at 1100m.

Thursday: Moderate west wind with light snow throughout the day. High of -17 at 1100m.

Avalanche Summary

No new reports of avalanches over the past few days. 

Thanks to everyone who has submitted a MIN report over the last few days!

Snowpack Summary

Recent north wins could have begun redistributing snow back on to south facing slopes.

Previous strong southerly winds combined with snow created wind slab on all exposed terrain on north aspects. These wind slabs are generally now well bonded to the surface below but rider triggering could still be possible in specific areas near ridge crests. South aspects are a mix of scoured and pressed surfaces. 

Soft snow can still be found in sheltered features and at lower elevations.

In shallow snowpack areas a layer of loose facets sits at the bottom of the snowpack.

Terrain and Travel

  • Use ridges or ribs to avoid areas of wind loaded snow.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.

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.