Assess for wind slab as you move through terrain.
Lingering wind slabs may remain reactive to human-triggering in isolated locations below alpine ridgetops.
Isolated wind slabs remain a concern where they overlie a weak layer of facets or surface hoar and could still be reactive to human triggering. This issue seems to be most prominent in the Brandywine area.
No new avalanches were reported on Thursday.
Evidence of a natural loose wet avalanche cycle from Wednesday is still visible. These avalanches were triggered by above 0°C temperatures in the alpine and solar radiation. Avalanche activity has subsided with colder temperatures.
A few centimeters of faceting snow covers a melt-freeze crust on all aspects at all elevations. Except on northerly aspects above 1900 m, where soft snow may still be found.
A weak layer of surface hoar or facets is found 10 to 30 cm deep. This layer remains a concern where wind slabs have formed above it. This layer is active in snow pit tests north of the Sea to Sky highway.
An otherwise right-side-up snowpack appears to be bonding well to a crust buried 70 to 100 cm deep. The mid and lower snowpack is generally well-settled and bonded with no layers of concern.
Friday Night
Clear skies. 25 to 45 km/h northwest ridgetop wind. Treeline temperature -12 °C.
Saturday
Mostly sunny. 15 to 30 km/h northwest ridgetop wind. Treeline temperature -8 °C.
Sunday
Sunny. 25 to 50 km/h north ridgetop wind. Treeline temperature -8 °C.
Monday
Mostly sunny. 15 to 30 km/h west ridgetop wind. Treeline temperature -6 °C.
More details can be found in the Mountain Weather Forecast.
