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Avalanche Forecast

Archived

Feb 10th, 2024–Feb 13th, 2024

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Below Threshold.
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.
Below Treeline
Below Threshold.

Regions

Long Range Mountains, Corner Brook, Gros Morne, Northern Peninsula.

Fresh wind slabs are likely to build as snow accumulates Sunday through Tuesday. Size and likelihood of triggering a wind slab will progressively increase as snow gradually accumulates.

Confidence

Moderate

Avalanche Summary

No recent avalanches have been reported.

Snowpack Summary

Fresh snow will be accumulating above hard and wind affected snow in exposed areas Sunday through Tuesday. Primarily southwest wind will likely redistribute the new snow into north and east facing slopes.

Snow depths in the Long Range Mountains average about 80 cm in wind-sheltered areas and are much more variable in wind-exposed areas. The snowpack structure is strong and bonded.

Cornices have been forming along northeast-facing ridges.

Weather Summary

Saturday Night

Mainly cloudy, wind west and southwest 20 to 40 km/h, alpine temperature -4 °C.

Sunday

Cloudy with 2 to 5 cm of snow, wind southwest 30 to 50 km/h, alpine temperature -1 °C, freezing level rising to 500 m.

Monday

Mainly Cloudy with 1 to 3 cm of snow, wind southwest 15 to 30 km/h, alpine temperature -3 °C.

Tuesday

Mainly Cloudy with 1 to 3 cm of snow, wind southwest 10 to 30 km/h, alpine temperature -5 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Carefully evaluate steep lines for wind slabs.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme 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.