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Avalanche Forecast

Archived

Nov 29th, 2024–Nov 30th, 2024

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

Regions

Cariboos, Blue River, Clearwater, Premier, Quesnel, Clemina, North Monashee, Robson.

Watch for reactive slabs at all elevations due to new snow and wind; avalanche danger may vary across the region. Assess local conditions frequently as snowfall amounts are uncertain.

Confidence

Moderate

Avalanche Summary

No avalanche activity has been reported in the region, however, this MIN report suggests that the recent storm snow may be settling into reactive slabs in areas.

Observations remain limited this early in the season. If you head into the backcountry, please post to the Mountain Information Network

Snowpack Summary

New snow continues to accumulate across the region, burying a variety of surfaces. These include firm, wind-affected snow at higher elevations or exposed terrain. The new snow may have buried a layer of surface hoar in wind-sheltered terrain and lower elevations.

Various melt-freeze crusts can be found in the lower snowpack, which are not concerning avalanche layers at the moment.

Snow depths at treeline roughly vary from 80 to 150 cm, and decrease rapidly at lower elevations.

Weather Summary

Friday Night

Mostly cloudy with 5 to 15 cm of snow. 10 to 30 km/h southwest ridgetop wind, local values may be higher along the western edge of the region. Treeline temperature -8 °C.

Saturday

Mostly cloudy with 5 to 15 cm of snow. 20 to 40 km/h southwest ridgetop wind. Treeline temperature -6 °C.

Sunday

Mostly cloudy with 0 to 2 cm of snow. 0 to 20 km/h south ridgetop wind. Treeline temperature -4 °C.

Monday

Mix of sun and cloud. 0 to 20 km/h south ridgetop wind. Treeline temperature -2 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be careful with wind-loaded pockets, especially near ridge crests and rollovers.
  • Watch for signs of slab formation throughout the day.
  • Closely monitor how the new snow is bonding to the old surface.
  • Be cautious of buried obstacles, especially below treeline.

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.