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Avalanche Forecast

Archived

Feb 17th, 2020–Feb 18th, 2020

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

Glacier.

HEADS UP! Yep, that's right, HEADS UP!

With much of Europe and the West Coast of BC having a difficult snow winter, Rogers Pass has been hit hard with visitors. This means there are a LOT of people above, below, and all around you.

Weather Forecast

A ridge of high pressure sets up over the province with gradual clearing in the Rogers Pass area today and tomorrow.

Today: Cloudy with sunny periods, trace to 5cm, light/mod W'ly winds, alpine high -12*C

Tues: Cloudy with sunny periods, no snow, light/mod W'ly winds, alpine high -13*C

Wed: Mix of sun and cloud, light SW winds, alpine high of -6*C

Snowpack Summary

Another 10cm of snow overnight, bringing the weekly total to 105cm at Fidelity. Variable stubborn wind slab was found in alpine elevations yesterday along ridge-tops and exposed tree-line features. Steep S to SW aspects have a suncrust buried anywhere between 30-60cm below the surface.

Avalanche Summary

Numerous slab avalanches to sz 2.5 were observed from steep alpine start zones on Macdonald and Tupper yesterday. A cornice failed in the North Cirque above Christiana Trees, bringing down a sz 2 slide into the basin.

Confidence

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.