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Avalanche Forecast

Feb 2nd, 2019–Feb 3rd, 2019
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
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 treeline and in the alpine are the main concern. Expect the temperature to fall as cold air infiltrates the region from the north.

Confidence

High - The weather pattern is stable

Weather Forecast

SATURDAY Night: Mainly cloudy, light to moderate southwest wind, alpine temperature -12 C.SUNDAY: Mainly cloudy with scattered flurries, accumulation 5 cm, moderate north east wind, alpine temperature -15 C.MONDAY: Mix of sun and cloud, light northeast wind, alpine temperature -18 C.TUESDAY: Mix of sun and cloud, light northeast wind, alpine temperature -15 C

Avalanche Summary

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 combined with with strong southwesterly winds sits on a crust on all aspects except north, wind-affected surfaces in the alpine 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

New snow falling Thursday and Friday with strong southwest wind has promoted windslab development in lee terrain.
Stay alert as conditions change with elevation.Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2