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Avalanche Forecast

Archived

Feb 18th, 2020–Feb 19th, 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, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Glacier.

It's university reading week and it is BUSY in the park.

Keep your head on a swivel for what groups are doing around and above you!

Weather Forecast

A ridge of high pressure is set up over the province with clearing in the Rogers Pass area today and warming and sunshine tomorrow.

Today: Cloudy with sunny periods, no snow. Light W winds. Alpine high -11C

Tonight: Cloudy with clear periods, no snow. Light N winds. Alpine low -13C

Wed: A mix of sun and cloud, no snow. Light W winds. Alpine high -6C.

Snowpack Summary

Another 10cm of snow overnight, bringing the weekly total to 115cm at Fidelity. Variable stubborn wind slab may be found in alpine elevations 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

A skier accidental size 1.0 occurred yesterday in Nicci's Notch. Numerous slab avalanches to sz 2.5 were observed from steep alpine start zones on Macdonald and Tupper on Sunday. A cornice failed on Saturday in the North Cirque above Christiana Trees, bringing down a size 2.0 slide into the basin.

Confidence

Timing or intensity of solar radiation is uncertain

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.