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Avalanche Forecast

Archived

Feb 21st, 2025–Feb 22nd, 2025

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.
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.

Keep an eye on the wind

Blowing snow could form new, small wind slabs throughout the day.

Confidence

High

Avalanche Summary

No new avalanches have been reported since last weekend.

Snowpack Summary

The top 20 cm of the snowpack is soft and unconsolidated. The exception may be in Gros Morne, where a thin rain crust with surface hoar above could be present on the surface.  This overlies a simple and generally right-side-up snowpack.

Soft snow may be redistributed into deeper and stiffer deposits on southerly aspects as winds pick up early in the morning on Saturday.

Check out this Mountain Information Network report from our field team.

Weather Summary

Friday Night

Mostly cloudy with 0 to 2 cm of snow. 10 to 20 km/h northeast ridgetop wind shifting to 20 to 35 km/h northwest ridgetop wind. Treeline temperature -11 °C.

Saturday

Mostly cloudy with 0 to 2 cm of snow. 20 to 30 km/h northwest ridgetop wind. Treeline temperature -10 °C.

Sunday

Mostly cloudy with 2 to 4 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -10 °C.

Monday

Mix of sun and cloud. 15 to 25 km/h northwest ridgetop wind. Treeline temperature -12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Pay attention to the wind; once it starts to blow, sensitive wind slabs are likely to form.
  • Wind slabs are most reactive during their formation.

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.