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Avalanche Forecast

Archived

Jan 1st, 2024–Jan 2nd, 2024

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

North Rockies, Kakwa, McGregor, Pine Pass, Renshaw.

Buried surface hoar layers remain a concern. Snowpack depths and structure are highly variable across the region.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported in the region, however there are currently very few field observations.

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

Snowpack Summary

A surface crust is likely present in areas where recent warm, above-freezing temperatures reached into the alpine. The upper snowpack is generally well settled with no current layers of concern.

The mid-pack contains a couple of buried surface hoar layers that exist primarily in deeper snowpack areas. A crust is present in most lower elevation areas between the two surface hoar layers of note.

The snowpack is particularly complex, with considerable variation in structure and depths across the region.

Weather Summary

Monday Night

Cloudy with no precipitation, southwest alpine winds 10 to 30 km/h, treeline temperatures -7 °C.

Tuesday

Partly cloudy with no precipitation, south alpine winds 10 to 20 km/h, treeline temperature -5 °C.

Wednesday

Cloudy with trace snow amounts, southwest alpine winds 10 to 30 km/h, treeline temperature -5 °C.

Thursday

Cloudy with up to 10 cm of snow, southwest alpine winds 30 to 60 km/h, treeline temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Surface hoar distribution is highly variable. Avoid generalizing your observations.
  • Start with conservative lines and watch for clues of instability.

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.