Archived

Avalanche Forecast

Feb 3rd, 2019–Feb 4th, 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

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

Regions: Sea To Sky.

Windslabs at upper elevations are the main concern. The cold air will remain for a few more days.

Confidence

High - The weather pattern is stable

Weather Forecast

SUNDAY Night: Mainly cloudy with scattered flurries, moderate northeast wind, alpine temperature -20 C MONDAY: Mainly sunny, light to moderate northeast wind, alpine temperature -10 C with an alpine temperature inversionTUESDAY: Mix of sun and cloud, light northeast wind, alpine temperature -7 C with an alpine temperature inversionWEDNESDAY: Mix of sun and cloud, light northwest wind, alpine temperature -10 C.

Avalanche Summary

On Saturday, several explosives triggered wind slab avalanches were reported to size 2 on northerly aspects in the alpine. Numerous explosive triggered size 1.5-2 storm slab avalanches were reported on Friday in the alpine and treeline.

Snowpack Summary

40-50 cm of new snow Thursday and Friday has been redistributed by strong southwesterly winds and sits on a crust on all aspects except north and possibly a mixture of weak feathery surface hoar or sugary facets in sheltered terrain at treeline and below. The remainder of the snowpack is generally well-settled and strong.

Avalanche Problems

Wind Slabs

Expect to find wind slabs on a variety of aspects as winds shift from predominantly southwesterly to northerly.

Be careful with wind loaded pockets, especially near ridge crests and roll-overs.Be cautious as you transition into wind affected terrain.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2