Avalanche Forecast

Moderate

Numerous naturally triggered large and very large storm slabs, wind slabs and persistent slabs, occurred across the region over the last few days.

Skiers have also reported widespread whumpfing and shooting cracks. As well as remote-triggering wind slabs.

Looking forward, we expect natural avalanche activity has tapered off, but for human triggering to remain possible to likely at upper elevations.

Strong to extreme west through southwesterly winds have been redistributing snow, creating widespread wind effect and building deeper and more reactive deposits on lee slopes.

Last week's 40 to 80 cm of storm snow is settling with the mild temperatures. However the storm snow may be slow to bond where it sits on surface hoar, facets, or a thin crust.

A surface crust may exist below 900 -1200 m.

A persistent weak layer of surface hoar and facets overlying a crust is buried 60 to 100 cm deep in the southern parts of the region, and up to 150 cm deep in areas north of Stewart. Avalanches failing on this layer could be very large and destructive.

Sunday Night

Partly cloudy with 0 to 7 cm of snow. 50 km/h west ridgetop wind. Treeline temperature -2 °C.

Monday

Cloudy with 0 to 10 cm of snow. 55 km/h southwest ridgetop wind. Treeline temperature -1 °C.

Tuesday

Cloudy with 10 to 20 cm of snow/ rain below 1300 m. Highest amounts for coastal areas, dissipating further inland. 90 km/h southwest ridgetop wind. Treeline temperature 0 °C. Freezing level 1300 m.

Wednesday

Cloudy with 4 to 15 cm of snow. 50 km/h south ridgetop wind. Treeline temperature -1 °C.

More details can be found in the Mountain Weather Forecast.

• Be aware of the potential for remote triggering and large avalanches due to buried surface hoar.
• Be especially cautious as you transition into wind-affected terrain.
• Keep in mind that human triggering may persist as natural avalanches taper off.
• Use careful route-finding and stick to moderate angled slopes with low consequences.