Avalanche Forecast

Archived

Apr 26th, 2022–Apr 27th, 2022

Alpine

Below Threshold.

Treeline

Below Threshold.

Below Treeline

Below Threshold.

Alpine

Below Threshold.

Treeline

Below Threshold.

Below Treeline

Below Threshold.

Alpine

Below Threshold.

Treeline

Below Threshold.

Below Treeline

Below Threshold.

Regions

Banff Yoho Kootenay.

Perhaps a minor refresh to the conditions by Wednesday, with up to 10 cm of new snow expected at higher elevations. Check the bond of any new snow to the underlying crust and watch for any wind drifted snow at the higher elevations.

Weather Forecast

A cold front crossing the region on Tuesday afternoon/evening will leave behind 5-10 cm of new snow at high elevations and unstable air for Wednesday. The freezing level is expected to fall slightly to 1600 m on Tuesday in the wake of the cold front. Cool, unstable air will remain for the next few days.

Snowpack Summary

Surface crusts exist on all aspects below 2300m and high into the alpine on solar aspects, now with a few cm of new snow overnight. High N aspects still hold dry powder and some wind effect on lee slopes. Deterioration of crusts has been occurring almost daily, with the extent of the breakdown depending on solar radiation and freezing levels.

Avalanche Summary

No avalanches observed or reported today.

Confidence

Problems

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.