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Avalanche Forecast

Archived

Apr 2nd, 2023–Apr 3rd, 2023

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Cariboos, McBride, Premier, Quesnel, Sugarbowl, Renshaw, Robson.

Watch for signs of slab instability like shooting cracks or fresh avalanches, and use extra caution around slopes that are being warmed by the sun.

Be ready to change plans with the potential for quick changes in the weather.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in the past few days.

If you are getting out in the backcountry, consider making a post on the MIN (Mountain Information Network). You can share riding conditions, avalanche or snowpack observations, or even just a photo. Heck, share what you had for lunch if that was the most eventful thing that happened:)

Snowpack Summary

10-20cm of soft snow sits over a thin crust on steep slopes facing the sun right up into the alpine. Snow that fell last week has been redistributed by northeast winds. On high, north-facing terrain, wind slabs may sit over facets and surface hoar.

The mid-snowpack is generally strong. There continues to be a weak layer of facets from November at the base of the snowpack. This layer remains a concern in rocky, shallow, or thin to thick snowpack areas at treeline and above.

Weather Summary

A generally convective weather pattern will mean that the next few days will have spotty areas of cloud and light snowfall, or quick bursts of intense snowfall, but it also might be sunny, and everything could change at the drop of a hat.

Sunday Night

Mostly clear. No new snow expected. Light northwest wind. Freezing level falling to valley bottom. Treeline low around -11°C

Monday

Mostly sunny. No new snow expected. Light northwest wind. Freezing level rising to 1300 m. Treeline high around -7°C.

Tuesday

Mostly sunny. Possible trace of snow expected. Light variable wind. Freezing level at valley bottom in the morning, rising to 1300 m.

Wednesday

Partly cloudy. 0-2 cm of snow expected. Light to moderate southwest wind. Freezing level at valley bottom in the morning, rising to 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Continue to make conservative terrain choices while the storm snow settles and stabilizes.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.
  • Closely monitor how the new snow is bonding to the crust.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.

Deep Persistent Slabs

Deep Persistent Slab avalanches are the release of a thick cohesive layer of hard snow (a slab), when the bond breaks between the slab and an underlying persistent weak layer deep in the snowpack. The most common persistent weak layers involved in deep, persistent slabs are depth hoar or facets surrounding a deeply buried crust. Deep Persistent Slabs are typically hard to trigger, are very destructive and dangerous due to the large mass of snow involved, and can persist for months once developed. They are often triggered from areas where the snow is shallow and weak, and are particularly difficult to forecast for and manage.