Sea To Sky

Lingering wind slabs may remain reactive to human triggers in isolated locations below alpine ridgetops.

Carefully evaluate steep lines for wind slabs.

No new avalanches were reported in this region on Monday.

A little northwest of the region, a skier triggered size 1.5 wind slab avalanche was reported on a northwest aspect in the alpine. It failed on facets sitting on the crust buried in late January.

Lingering wind slabs may exist below alpine ridgetops.

Above 1900 m, 10 - 40 cm of recent snow sits on a supportive crust.

Below 1900 m, recent snow amounts taper quickly and the crust increases in thickness.

Where snow still exists below treeline, it is isothermal and travel is very challenging.

Tuesday night

Mostly cloudy. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -6 C. Freezing level valley bottom.

Wednesday

Mix of sun and cloud. 10 to 20 km/h southwest ridgetop wind. Treeline temperature -5 C. Freezing level 1000 m.

Thursday

Mix of sun and cloud. 10 to 20 km/h west ridgetop wind. Treeline temperature -6 C. Freezing level valley bottom.

Friday

Mix of sun and cloud. 10 to 20 km/h northwest ridgetop wind. Treeline temperature -4 C. Freezing level 1000 m.

More details can be found in the Mountain Weather Forecast.

• Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
• Carefully evaluate steep lines for wind slabs.
• Pay attention to cornices and give them a wide berth when traveling on or below ridges.