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Archived

Avalanche Forecast

Jan 7th, 2019–Jan 8th, 2019
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: South Columbia.

You may find touchy wind slabs at higher elevations. Best to employ cautious route-selection and decision-making in suspect terrain features.

Confidence

High -

Weather Forecast

MONDAY NIGHT: Clearing, freezing level below valley bottom.TUESDAY: Mostly cloudy, light southwest winds, alpine temperature -10 C, freezing level below valley bottom.WEDNESDAY: Cloudy with light snowfall, accumulation 5 cm, light to moderate southwest winds, alpine temperature -5 C, freezing level below valley bottom.THURSDAY: Cloudy with light snowfall, accumulation 5 to 10 cm, light to moderate southwest winds, alpine temperature -4 C, freezing level below valley bottom.

Avalanche Summary

A few small to large (size 1 to 2) storm slab avalanches were triggered by skiers and naturally in the region on Sunday. Check out this MIN report for an example.

Snowpack Summary

30 to 70 cm of recent snow has been redistributed by strong south to southwest winds. Wind effect is widespread in the alpine as well as isolated features at treeline elevations. A thin (1 to 2 mm) freezing-rain crust under the new snow has been reported in the mountains surrounding Revelstoke. Below this, the snowpack is generally settled and strong.

Avalanche Problems

Wind Slabs

Recent strong southwest winds have produced fresh wind slabs at higher elevations. You may find touchy slabs in lee and cross-loaded terrain features near ridges.
Watch out for wind slabs, especially in steep slopes or depressions near ridges.Look for signs of instability such as whumpfs, hollow sounds, shooting cracks, or recent avalanchesCornices may be touchy; stay well-back on ridges and avoid travelling beneath them.

Aspects: North, North East, East, South East, West, North West.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2.5