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Archived

Avalanche Forecast

Feb 24th, 2024–Feb 25th, 2024
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
4: High
The avalanche danger rating at treeline will be high
Below Treeline
4: High
The avalanche danger rating below treeline will be high
Alpine
4: High
The avalanche danger rating in the alpine will be high
Treeline
4: High
The avalanche danger rating at treeline will be high
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
3: Considerable
The avalanche danger rating below treeline will be considerable

Regions: Blue River, Cariboos, Clearwater, Clemina, McBride, North Monashee, Premier, Quesnel.

Large avalanches are likely to occur. Avoid all avalanche terrain.

A dangerously buried weak layer has shown it can be triggered from far away.

Confidence

High

Avalanche Summary

Significant avalanche activity is suspected to have occurred on Saturday but no new reports have come in at the time of publishing.

Several small and large (size 2) rider-triggered storm and persistent slab avalanches were reported on Friday. Some were triggered remotely from up to 40 m away.

Snowpack Summary

Another 20 to 40 cm is expected by the end of the day on Sunday. This will add to the 20 to 30 cm that has buried a variety of weak layers including surface hoar, facets, and a crust at low elevations and on south and west-facing slopes.

The widespread crust buried in early February is near the surface on exposed alpine terrain and down up to 70 cm elsewhere. In most areas, this crust has a layer of facets above it.

Weather Summary

Saturday Night

Cloudy with 10 to 20 cm of snow. 35 to 45 km/h west ridgetop wind. Treeline temperature -5 °C.

Sunday

Cloudy with 10 to 20 cm of snow. 35 to 45 km/h southwest ridgetop wind. Treeline temperature -5 °C.

Monday

Mostly cloudy with up to 5 cm of snow. up to 10 km/h west ridgetop wind. Treeline temperature -13 °C.

Tuesday

Mostly clear skies. 15 km/h southwest ridgetop wind. Treeline temperature -17 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Shooting cracks, whumphs and recent avalanches are strong indicators of an unstable snowpack.
  • Fresh snow rests on a problematic persistent slab, don't let good riding lure you into complacency.
  • Storm slabs in motion may step down to deeper layers resulting in large avalanches.
  • Only the most simple non-avalanche terrain free of overhead hazard is appropriate at this time.

Avalanche Problems

Storm Slabs

New snow sits on surface hoar, facets, or a crust. Expect this problem to get worse as the new snow gets deeper.

Aspects: All aspects.

Elevations: All elevations.

Likelihood: Likely - Very Likely

Expected Size: 1 - 3

Persistent Slabs

As new snow accumulates above this crust the size and frequency of avalanches will also increase.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely

Expected Size: 2 - 3.5