Avalanche Forecast
Regions: Little Yoho.
Another sunny day is expected Friday, with freezing levels reaching 2800 m. Avalanche hazard will start as Low, but the alpine rating reflects the highest expected over the day —start and finish early.
Click the link for advice on dealing with spring conditions.
Confidence
Moderate
Avalanche Summary
No avalanches besides minor wet loose slides out of steep solar terrain were observed Thursday, and no other avalanches in the past few days. There have been fewer field observations n this area recently.
Snowpack Summary
Hard surface crusts exist to ridgetops in the AM on solar aspects, and at treeline and below on northerly aspects. The top 10-20cm was moistening at the ski hills in the afternoon on Thursday.
On north-facing alpine slopes, 5-15 cm of dry snow over firmer surfaces.
A settled mid-pack sits over the Jan facets down 90 to 150cm, with a well-settled lower snowpack below.
Weather Summary
Friday: The day should start with an overnight freeze, but freezing levels should rise to 2800m in the PM, with light winds and plenty of solar input.
Saturday: There will likely be a weaker freeze in the morning, and freezing levels could possibly go above 3000m in the PM, with light winds and sun.
Terrain and Travel Advice
- Even brief periods of direct sun could produce natural avalanches.
Avalanche Problems
Loose Wet
Monitor temperatures and solar input. The likelihood of loose wet avalanches will increase as the day progresses. Start and finish your tour early to avoid this problem.
Aspects: South East, South, South West, West.
Elevations: Alpine, Treeline.
Likelihood: Likely
Expected Size: 1 - 2
Cornices
As Friday and Saturday get progressively warmer, more incidents of cornice failures may occur. Consider and manage your exposure to terrain overhead.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine.
Likelihood: Possible
Expected Size: 1 - 2