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Avalanche Forecast

Archived

Mar 14th, 2025–Mar 15th, 2025

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

Use caution on north and east aspects in the alpine where new wind slabs could be found

If the sun comes out the likelihood of cornices falling will increase

Confidence

High

Avalanche Summary

No new avalanches have been reported in the past couple days.

Snowpack Summary

The snowpack is highly variable; on exposed west aspects very little snow remains, on exposed north and east aspects new wind slabs could be found. These wind slabs will overlie a firm and supportive crust.

In sheltered terrain  at 500 m the snowpack is 100 to 130 cm deep. The mid and lower snowpack is strong and bonded.

Check out this Mountain Information Network report for some more details, and this one from our field team

Weather Summary

Friday Night

Partly cloudy with around 5 cm of snow. 40 to 60 km/h west ridgetop wind. Treeline temperature -13 °C.

Saturday

Mix of sun and clouds with trace amounts of snow. 30 to 50 km/h northwest ridgetop wind. Treeline temperature -13 °C.

Sunday

Mostly cloudy with up to 5 cm of snow. 15 to 30 km/h southwest ridgetop wind. Treeline temperature 0°C.

Monday

Cloudy with 5 to 15 mm of rain. 50 to 70 km/h southwest ridgetop wind. Treeline temperature 9 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.
  • Be alert to conditions that change with elevation, aspect, and exposure to wind.
  • Seek out sheltered terrain where new snow hasn't been affected by wind.
  • Use extra caution around cornices: they are large, fragile, and can trigger slabs on slopes below.

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.

Cornices

Cornice Fall is the release of an overhanging mass of snow that forms as the wind moves snow over a sharp terrain feature, such as a ridge, and deposits snow on the downwind (leeward) side. Cornices range in size from small wind drifts of soft snow to large overhangs of hard snow that are 30 feet (10 meters) or taller. They can break off the terrain suddenly and pull back onto the ridge top and catch people by surprise even on the flat ground above the slope. Even small cornices can have enough mass to be destructive and deadly. Cornice Fall can entrain loose surface snow or trigger slab avalanches.