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Avalanche Forecast

Archived

Apr 25th, 2024–Apr 26th, 2024

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

Regions

Cariboos, North Columbia, North Rockies, Blue River, Clearwater, McBride, Premier, Quesnel, Sugarbowl, Clemina, Esplanade, Jordan, North Monashee, North Selkirk, Shuswap, East Kakwa, Kakwa, McGregor, Pine Pass, Renshaw, Robson, Tumbler.

A wintery storm will bring a change in avalanche conditions in high terrain on Sunday.

This will be our last forecast for the season. Check out some alternative resources for spring here.

Confidence

Moderate

Avalanche Summary

Small (size 1) natural and skier-triggered wind slabs were reported earlier in the week. Otherwise, no new avalanches have been observed.

Last week, large cornice failures in high north-facing alpine terrain notably did not propagate any weak layers on the slopes below. This is a good indicator of snowpack stability under current conditions.

Snowpack Summary

New snow is forecast to fall on Sunday, over widespread crusty surfaces on all but high north-facing alpine terrain, where snow is dry and likely wind affected.

There are no deeper concerns at this time.

Weather Summary

Thursday night

Broken cloud with flurries possible up to 3 cm. 10 to 30 km/h northeast ridgetop wind. Treeline temperature -5 °C. Freezing level 1100 to 1500 m.

Friday

Broken cloud with sunny periods. 10 to 30 km/h east ridgetop wind. Treeline temperature -1 °C. Freezing level 2000m.

Saturday

Broken cloud with flurries starting in the afternoon, up to 5 cm possible. 10 to 30 km/h south ridgetop wind. Treeline temperature +1 °C. Freezing level 2200m.

Sunday

5 to 20 cm of new snow in high terrain. 20 to 50 km/h south ridgetop wind. Treeline temperature -1 °C. Freezing level 2000m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Pay attention to cornices and give them a wide berth when traveling on or below ridges.
  • Dial back your terrain choices if you are seeing more than 20 cm of new snow.

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.