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Avalanche Forecast

Archived

Jan 10th, 2024–Jan 11th, 2024

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

Regions

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

Extreme cold will significantly increase the consequences of any incident in the backcountry.

Confidence

Moderate

Avalanche Summary

A few storm or wind slab avalanches, both naturally and explosive triggered, were reported since the weekend, up to size 2.

If you go out in the backcountry, please consider sharing your observations on the Mountain Information Network (MIN).

Snowpack Summary

Northerly winds are currently redistributing around 15 to 30 cm of recent snow at all elevations. This new snow has buried various pre-existing crusts, surface hoar, old wind-affected surfaces, or facets.

The mid and lower snowpack is generally well settled with a series of variable crusts and facetted snow.

Weather Summary

Wednesday Night

Mostly cloudy with no precipitation, northeast alpine winds 10 to 30 km/h, treeline temperature -22 °C.

Thursday

Mix of sun and cloud with trace snow amounts, northeast winds 20 to 40 km/h at all elevations, treeline temperature -32 °C.

Friday

Mostly sunny with no precipitation, northeast alpine winds 10 to 30 km/h, treeline temperature -35 °C.

Saturday

Sunny with no precipitation, north alpine winds 10 to 30 km/h, treeline temperature -35 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Wind slabs are most reactive during their formation.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.

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.