Avalanche Forecast

Issued: Mar 6th, 2019 3:39PM

The alpine rating is moderate, the treeline rating is low, and the below treeline rating is low. Known problems include Wind Slabs.

mconlan, Avalanche Canada

Sea To Sky.

Small wind slabs may form with Wednesday night's snowfall.

Summary

Confidence

Moderate - Intensity of incoming weather systems is uncertain

Weather Forecast

WEDNESDAY NIGHT: Cloudy with light snowfall, accumulation 2 to 5 cm, light to moderate southwest wind, alpine temperature -12 C.THURSDAY: Cloudy with snowfall, accumulation 1 to 3 cm, moderate southwest wind, alpine temperature -13 C.FRIDAY: Cloudy with intermittent snowfall, trace accumulation, light to moderate northwest wind, alpine temperature -12 C.SATURDAY: Mostly clear skies, light northeast wind, alpine temperature -10 C, freezing level 1000 m.

Avalanche Summary

Sluffing was observed in steep, shaded terrain. Otherwise, no new avalanches were observed.

Snowpack Summary

Around 5 to 10 cm of snow will fall onto a variety of surfaces, including wind-affected snow in exposed terrain at higher elevations, soft and faceted snow in shaded and sheltered areas, and a melt-freeze crust on steep southerly slopes.The middle and lower snowpack is well-settled.

Problems

Wind Slabs

Fresh wind slabs may form from new snow and southwest wind. Apply added caution in lee terrain features near ridges, as the snow may not bond well to underlying layers.

Use caution in wind-loaded pockets, especially near ridge crests and roll-overs.Use added caution on southerly slopes during periods of strong sun.

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

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 1.5

Valid until: Mar 7th, 2019 2:00PM