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Avalanche Forecast

Archived

Feb 10th, 2024–Feb 11th, 2024

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Sasquatch, Sasquatch, Coquihalla, Harrison-Fraser, Manning, Skagit.

Snowfall may vary across the forecast area.

If you don't see wind blowing snow around, and less than 15 cm of new snow, avalanche danger will be lower.

Confidence

Moderate

Avalanche Summary

No new avalanches have been reported in this region.

We expect that with the incoming snow, human-triggered avalanches will be possible.

If you do go into the backcountry, please consider submitting a MIN report.

Snowpack Summary

Some new snow (15-20 cm west of Hope, 5-10 east) covers a robust crust that exists up to mountain tops. Expect this new snow to be wet at low elevations, and get drier as you travel higher.

Where snow still existed below treeline, it was isothermal or refrozen. Even with some new snow at lower elevations, travel will remain challenging.

Weather Summary

The snowfall amounts below are for west of Hope. east of Hope, expect half the snow or less.

Saturday Night

Cloudy. 5 cm of snow expected above 500 m. Light to moderate southwest ridgetop wind. Treeline temperature around -2 °C.

Sunday

Cloudy. 10-15 cm of snow expected above 750 m. Moderate southwest ridgetop wind. Treeline temperature around -3 °C.

Monday

Mostly sunny. 10-15 cm of snow expected overnight above 750 m. Light to moderate north or northeast ridgetop wind. Treeline temperature around -4 °C.

Tuesday

Mostly sunny. No new snow expected. Light northeast ridgetop wind. Treeline temperature around -8 °C. Freezing level between 500 and 1000 m.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • When a thick, melt-freeze surface crust is present, avalanche activity is unlikely.
  • Expect shallow snow cover that barely covers ground roughness.

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.