Avalanche Forecast

Issued: Nov 20th, 2023 4:00PM

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

Avalanche Canada GL, Avalanche Canada

Email

Tuesday's forecasted extreme winds have the potential to increase avalanche reactivity.

Early Season Conditions persist, so travel with caution.

Summary

Confidence

Low

Avalanche Summary

No field patrol occurred on Sunday or Monday. Whumphing was reported in the Hilda ridge area on Saturday. Winds will be extreme on Tuesday which could increase avalanche activity.

Snowpack Summary

The snowpack is very shallow with only 25-40cm at treeline. The alpine is heavily wind effected with scoured windward slopes and ridges. Snowpack can be a meter deep in leeward features.

Weather Summary

The Mountain Weather Forecast is available from Avalanche Canada https://www.avalanche.ca/weather/forecast

Winds on Tuesday may be in the 100km/hr range and zero degrees Celsius at 2700m.

Terrain and Travel Advice

  • Watch for areas of hard wind slab on alpine features.

Problems

Wind Slabs

An icon showing Wind Slabs

Wind loading create wind slab hazards. Expect strong winds on Tuesday. The team has limited snowpack observations yet tests show the base is weak.

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

Elevations: Alpine.

Likelihood

Possible - Likely

Expected Size

1 - 2

Valid until: Nov 21st, 2023 4:00PM