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Archived

Avalanche Forecast

Jan 17th, 2019–Jan 18th, 2019
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
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
2: Moderate
The avalanche danger rating below treeline will be moderate
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Kootenay Boundary.

A weaker storm passes us on Thursday night and a stronger storm on Friday night. Apply additional caution if you find substantial snow accumulation and slab properties.

Confidence

High -

Weather Forecast

THURSDAY NIGHT: Cloudy with light snowfall, accumulation 5 cm, freezing level rising to 1000 m.FRIDAY: Cloudy with light snowfall, accumulation trace to 5 cm, moderate southwest winds, alpine temperature -5 C, freezing level 1200 m.SATURDAY: Cloudy with snowfall, accumulation 10 to 15 cm, moderate to strong southwest winds, alpine temperature -3 C, freezing level rising to 1400 m over the day.SUNDAY: Clearing over the day, light northwest winds, alpine temperature -6 C, freezing level 1000 m.

Avalanche Summary

No new avalanches were observed on Thursday.

Snowpack Summary

New snow on Friday and Saturday will fall onto a sun crust on south aspects and feathery surface hoar in sheltered and shaded areas at all elevation bands. The new snow may not bond well to these surfaces.Below this, the snowpack is generally well-settled.

Avalanche Problems

Wind Slabs

New snow is expected for Friday with southwest winds. This new snow may not bond well to underlying surfaces. Treat it with caution if enough snow accumulates, particularly if you notice slab properties.
Watch for signs of instability such as whumpfing, cracking, or recent avalanches.Be careful with wind-loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2