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Avalanche Forecast

Archived

Apr 11th, 2022–Apr 12th, 2022

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

Glacier.

Colder air has crept back into the region, locking us into a wintery feeling in the Alpine and crisp morning temps in the valley bottom.

Enjoy the fast travel conditions, but watch for windslabs and loose power sluffing at the top of your line.

Weather Forecast

Cool temps with freezing levels at valley bottom, a mix of sun and cloud, and E'ly winds for a few days.

Tonight: Mainly clear, Alp low -17*C, light E wind.

Tue: Cloudy with sunny periods, Alp High -12*C, light E wind

Wed: Mix of sun/cloud, Alp low -18*C/high -11*C, light E wind

Thurs: Cloudy with isolated flurries, Alp high -10*C, light E wind

Snowpack Summary

Up high, previous strong SW winds, now mod N'ly winds, redistributed 15cm of new snow into immediate lee features. These soft windslabs sit on a crust on all but N'ly alpine slopes, where settled dry snow is found. Below Treeline the spring snowpack currently has a solid supportive crust. The March 30th melt-freeze crust is buried 30-70cm deep.

Avalanche Summary

No new avalanches have been observed in the highway corridor the last 48hrs, nor by a field team up towards Lookout Col and the Ravens.

Glide cracks continue to widen. Give them the utmost respect, as it is very difficult to forecast when they will fail. When they do finally fail, they have immense destructive power!

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.