Archived

Avalanche Forecast

Apr 20th, 2018–Apr 21st, 2018

Alpine

2: Moderate

Treeline

2: Moderate

Below Treeline

1: Low

Alpine

2: Moderate

Treeline

2: Moderate

Below Treeline

1: Low

Alpine

3: Considerable

Treeline

2: Moderate

Below Treeline

1: Low

Regions: South Rockies.

The best riding is likely to be found on north facing terrain in the alpine.

Confidence

Moderate - Due to the number of field observations

Weather Forecast

SATURDAY: Mix of sun and cloud with flurries; accumulation 3-5 cm. Strong southwest wind. Alpine temperature -2. Freezing level 1800 m.SUNDAY: Mostly sunny. Light west wind. Alpine temperature -1. Freezing level 2000 m.MONDAY: Mostly sunny. Light southeast wind. Alpine temperature +2. Freezing level 2200 m.

Avalanche Summary

No new avalanches were reported in this region. Avalanche reports have been limited due to very few information sources this time of year. If you have been out, please post your observations on the Mountain Information Network (MIN).

Snowpack Summary

Cornices are large and looming. Forecast snow and wind on Saturday may form small wind slabs at treeline and above. Below the surface there are numerous crusts in the upper 100 cm of the snowpack.A well settled and moist mid-pack sits above sugary facets in many parts of the region, especially thin snowpack areas.

Avalanche Problems

Wind Slabs

Flurries on Saturday may form small wind slabs on leeward slopes below ridgetops.

Use caution when transitioning into wind affected terrain.Avoid areas that look freshly loaded with snow; especially convex features below ridgetops.

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 1.5