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Avalanche Forecast

Archived

Mar 20th, 2026–Mar 21st, 2026

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

Regions

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

Avoid wind loaded features in the alpine and minimize exposure to overhead hazard.

New snow and strong wind will build reactive wind slabs throughout the day on Saturday.

Confidence

High

  • We are confident the likelihood of avalanches will increase with the forecast weather.

Avalanche Summary

No avalanches have been reported this week. If you head out in the hills please consider sharing your observations via the Mountain Information Network.

Snowpack Summary

By late afternoon on Saturday up to 10 cm of new snow will likely have fallen in the hills. This new snow will be accompanied by strong southwest wind, deep deposits over a crust will be found on north and east aspects as a result. The crust will remain on the surface on south and west facing slopes.

The mid and lower snowpack is well settled and bonded. In sheltered features the snowpack depth is 140 cm.

Weather Summary

Friday Night
Mostly cloudy. 0 to 2 cm of snow. 40 km/h southwest ridgetop wind. Treeline temperature -7 °C.

Saturday
Mostly cloudy. 5 to 10 cm of snow. 60 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Sunday
Mostly cloudy. 15 to 20 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -7 °C.

Monday
Mix of sun and clouds. 1 cm of snow. 20 km/h west ridgetop wind. Treeline temperature -11 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Minimize exposure during periods of heavy loading from new snow and wind.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Strong wind is building wind slabs farther downslope than usual.

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.