Avalanche Forecast

Issued: Apr 2nd, 2019 4:12PM

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

South Columbia.

Snow is forecast above 1600 m on Wednesday. Apply added caution in steep, alpine terrain should enough snow accumulate.

Summary

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain

Weather Forecast

TUESDAY NIGHT: Clear skies, light southwest wind, alpine temperature -1 C, freezing level 2000 m.WEDNESDAY: Cloudy with light snowfall, accumulation 5 to 15 cm, light to moderate southwest wind, alpine temperature -3 C, freezing level 1600 m.THURSDAY: Cloudy with light snowfall, accumulation 5 cm, light southwest wind, alpine temperature -2 C, freezing level 1900 m.FRIDAY: Cloudy with isolated flurries, light south wind, alpine temperature -1 C, freezing level 2000 m.

Avalanche Summary

No new avalanches were observed on Monday.

Snowpack Summary

New snow is expected on Wednesday at higher elevations, which will fall with southwest wind. The precipitation will fall onto a hard melt-freeze crust on all aspects and elevations except for north slopes above 2000 m, where it will fall onto dry snow. Snow is disappearing rapidly at lower elevations.

Problems

Wind Slabs

Small wind slabs may form in areas where enough snow accumulates on Wednesday. The most suspect slopes will be steep terrain near ridges.

Be careful with wind-loaded pockets, especially near ridge crests and roll-overs.Watch for signs of instability such as whumpfing or cracking.

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

Elevations: Alpine.

Likelihood

Possible

Expected Size

1 - 1.5

Valid until: Apr 3rd, 2019 2:00PM