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Avalanche Forecast

Archived

Nov 22nd, 2022–Nov 25th, 2022

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

Regions

Maligne.

Active weather is rolling through the region the next 3-4 days with moderate to strong Southwest winds and potential for new snow. Thursday winds may crest into 100km/hr range.

Confidence

Moderate

Avalanche Summary

No new avalanches have been noted in the bulletin region.

Snowpack Summary

Windslabs and wind effected slopes are widespread in the Alpine. Sun crust is on steep solar aspects to treeline. Surface hoar size 3-10mm is buried 2-5cm down with uncertain distribution. Height of snow ranges from 20 to 70cm depending on wind distribution patterns.

Weather Summary

Wednesday

Cloudy with sunny periods.

Precipitation: Nil.

Alpine temperature: High -8 °C.

Ridge wind west: 15-25 km/h.

Freezing level at valley bottom.

Thursday

Cloudy with sunny periods and isolated flurries.

Precipitation: Trace.

Alpine temperature: Low -10 °C, High -7 °C.

Ridge wind southwest: 25 km/h.

Freezing level at valley bottom.

Friday

Flurries.

Accumulation: 11 cm.

Alpine temperature: Low -12 °C, High -7 °C.

Ridge wind southwest: 15 km/h gusting to 50 km/h.

Freezing level at valley bottom.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Loose avalanches may start small but they can grow and push you into dangerous 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.