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Avalanche Forecast

Archived

Mar 29th, 2024–Mar 30th, 2024

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

Regions

South Rockies, Akamina, Bull, Crowsnest North, Crowsnest South, Elkford East, Elkford West.

Wind slabs reactive to human triggers may be found on northerly aspects in the alpine.

Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

Confidence

High

Avalanche Summary

No new avalanches were reported in this region on Thursday.

Data is limited in this region. Please consider posting your observations to the Mountain Information Network.

Snowpack Summary

10 to 30 cm of recent snow overlies a crust on all but north facing aspects in the alpine.

A widespread crust with facets above is down 80 to 120 cm. Steep or convex terrain features with a shallow or thin to thick snowpack at treeline and above are the places where it may still be possible to trigger this layer with large loads.

Weather Summary

Friday Night

Mostly cloudy with isolated flurries, 3 to 15 cm snow. 10 to 20 km/h west ridgetop wind. Treeline temperature -10° C. Freezing level valley bottom.

Saturday

Sunny. 10 to 20 km/h west ridgetop wind. Treeline temperature -2° C. Freezing level 1800 m.

Sunday

Mix of sun and cloud. 30 to 40 km/h northeast ridgetop wind. Treeline temperature -3° C. Freezing level 1700 m.

Monday

Sunny. 20 to 30 km/h northwest ridgetop wind. Treeline temperature 4° C. Freezing level 2500 m.

Check out the Mountain Weather Forecast for additional weather information.

Monday

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • If triggered loose wet avalanches may step down to deeper layers resulting in larger avalanches.
  • Cornice failure may trigger large avalanches.

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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.