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Archived

Avalanche Forecast

Mar 27th, 2024–Mar 28th, 2024
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
1: Low
The avalanche danger rating in the alpine will be low
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Flathead, Lizard, Lizard-Flathead.

Avoid wind-loaded features and areas with a shallow, thin-to-thick, snowpack where it may still be possible to trigger a slab.

Confidence

High

Avalanche Summary

A small cornice failed naturally near Fernie on Wednesday.

On Tuesday, several small, loose wet avalanches were rider-triggered on sunny slopes.

Snowpack Summary

30 to 40 cm of new and recent snow overlies predominantly crusty surfaces, except for northerly aspects at upper elevations.

A widespread, hard crust with facets above is buried down 180 cm in the Lizard Range and 80 to 120 cm elsewhere. Steep or convex terrain features with a shallow, thin-to-thick snowpack at treeline and above are where it may be possible to trigger this layer. However, when a thick surface crust is present, human triggering is unlikely.

Weather Summary

Wednesday Night

Cloudy with 5 to 10 cm of snow. 30 km/h southwest ridgetop wind.  Treeline temperature -4 °C. Freezing level 1500 m.

Thursday

Mostly cloudy with up to 5 cm of snow. 25 km/h southwest ridgetop wind.  Treeline temperature -4 °C. Freezing level 1700 m.

Friday

Mostly cloudy with 5 to 10 cm of snow. 20 km/h southwest ridgetop wind. Treeline temperature -4 °C. Freezing level 1500 m.

Saturday

Partly cloudy, clearing. 10 km/h west ridgetop wind. Treeline temperature -4 °C. Freezing level 1500 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Closely monitor how the new snow is bonding to the old surface.
  • Use caution above cliffs and terrain traps where even small avalanches may have severe consequences.
  • Watch for wind-loaded pockets especially around ridgecrest and in extreme terrain.

Avalanche Problems

Storm Slabs

Test on small slopes to see if the new snow is bonding to old surfaces.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Possible

Expected Size: 1 - 2