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Avalanche Forecast

Archived

Feb 22nd, 2025–Feb 25th, 2025

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

Regions

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

Conditions are expected to be generally stable and soft for Sunday. Double-check conditions on Monday and Tuesday, if the forecasted snow and wind arrive, avalanche danger will increase.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported since last weekend.

Snowpack Summary

The top 20 cm of the snowpack is soft and loose. The exception may be in Gros Morne, where feathery surface hoar crystals were found over a thin rain crust on Friday.

Previously soft snow may be redistributed into deeper and stiffer deposits in leeward terrain. With moderate winds shifting from north to southwest and back again, expect to find lightly wind-affected surfaces on most aspects on Sunday.

Verify conditions through the week, an incoming storm could make this picture look a lot different.

The mid and lower snowpack are generally dense and strong.

Check out this Mountain Information Network report from our field team for photos and a conditions report in Trout River Bowl.

Weather Summary

Saturday Night

Mostly cloudy with up to 1 cm of snow. 20 to 40 km/h west ridgetop wind. Treeline temperature -10 °C.

Sunday

Cloudy with up to 3 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -8 °C.

Monday

Mostly cloudy overnight, with 5 to 15 cm of snow possible. Sunny with no precipitation during the day. 15 to 25 km/h northwest ridgetop wind. Treeline temperature -11 °C.

Tuesday

Mostly cloudy with 10 to 15 cm of snow. 50 to 60 km/h south or southwest ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • 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.
  • Avoid avalanche terrain during periods of heavy loading from new snow, wind, or rain.

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.