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Avalanche Forecast

Archived

Apr 15th, 2024–Apr 16th, 2024

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

Regions

North Rockies, McGregor, Pine Pass, Tumbler.

Exercise caution in areas that receive new snow, especially at higher elevations where winds may redistribute the snow into deeper slabs.

Confidence

Moderate

Avalanche Summary

No recent avalanche activity has been reported. However, field observations are currently very limited.

Snowpack Summary

Anticipate crusty snow surfaces in all but north-facing alpine terrain.

Some areas will receive new snow overnight, which may be redistributed into thin wind slabs at higher elevations.

A series of crusts exist in the upper snowpack.

Weather Summary

Monday Night

Mostly cloudy with 0 to 5 cm of snow. Freezing level dropping to the valley bottom overnight. 30 to 50 km/h northeast ridgetop wind. Treeline temperature -8 °C.

Tuesday

Mostly cloudy with 0 to 10 cm of snow (highest snowfall values expected along in the east of the region). Freezing level 1200 m. 30 to 50 km/h northeast ridgetop wind. Treeline temperature -8 °C.

Wednesday

Mostly sunny. 10 to 30 km/h northeast ridgetop wind. Treeline temperature - 5 °C. Freezing level 1500 m.

Thursday

Sunny. 10 to 30 km/h northeast ridgetop wind. Treeline temperature - 5 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Carefully monitor the bond between the new snow and old surface.
  • Be alert to conditions that change with aspect and elevation.
  • Minimize exposure to sun-exposed slopes when the solar radiation is strong.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.

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.