Avalanche Forecast

Issued: Mar 6th, 2023 4:00PM

The alpine rating is moderate, the treeline rating is moderate, and the below treeline rating is low. Known problems include Wind Slabs.

Avalanche Canada jsmith, Avalanche Canada

Email

Wind slabs may remain reactive on a variety of aspects at treeline and above.

Sheltered terrain at lower elevations will likely offer the best and safest riding.

Summary

Confidence

High

Avalanche Summary

Explosive avalanche control work near Whistler produced size 1 wind slab avalanches at treeline and above on a variety of aspects on Sunday.

Snowpack Summary

30-60 cm of snow last week and shifting strong winds formed wind slabs on a variety of aspects at treeline and above. These slabs are sitting on either hard surfaces or small facets.

A couple crusts with facets sitting above them can be found at treeline and above down 60-180 cm.

The remainder of the mid and lower snowpack is well-settled, strong, and consolidated.

Weather Summary

Monday Night

Mostly cloudy with very isolated flurries; 0-3 cm / Light southeast ridgetop wind / Low temperature at treeline -9 C / Freezing level valley bottom

Tuesday

Cloudy with flurries; 3-5 cm / Light south ridgetop wind / High temperature at treeline -3 C / Freezing level 1000 m.

Wednesday

Mix of sun and cloud / Light southeast ridgetop wind / High temperature at treeline -2 C / Freezing level 1200 m.

Thursday

Mix of sun and cloud / Light southeast ridgetop wind / High temperature at treeline -2 C / Freezing level 1200 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be especially cautious as you transition into wind affected terrain.
  • Recent wind has varied in direction so watch for wind slabs on all aspects.
  • Avoid steep, rocky, and wind effected areas where triggering slabs is more likely.
  • Seek out wind sheltered terrain below treeline where you can avoid wind slabs and find great riding.
  • Avoid travelling on slopes below cornices.

Problems

Wind Slabs

An icon showing Wind Slabs

Wind slabs may remain reactive on a variety of aspects at treeline and above.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood

Possible

Expected Size

1 - 2

Valid until: Mar 7th, 2023 4:00PM