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Avalanche Forecast

Archived

Jan 4th, 2024–Jan 5th, 2024

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

Regions

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

Fresh wind slabs may become more reactive throughout the day. Before committing to your line, consider the consequences of any fall. Barely buried early-season hazards remain.

Confidence

No Rating

Avalanche Summary

No new avalanches have been reported.

If you head into the backcountry by any method of travel, please consider submitting observations and/or photos on the Mountain Information Network.

Snowpack Summary

Freezing levels vary widely across this forecast area, so expect a mix of wet snow, frozen crusts, and dry snow on the surface, depending on elevation.

In general, 10-15 cm of settling snow may be found over a frozen crust, which overlies 15-25 cm of moist snow. This shows a good bond to the well-settled snowpack, containing several melt-freeze crusts.

Overall, treeline snowpack depths are shallow, between 70-120 cm, and early-season hazards are prevalent at 1400 m and below.

Weather Summary

Thursday Night

Cloudy with flurries, up to 5 cm by Friday morning. Moderate and increasing southwest ridgetop wind. Treeline temperature around -5 °C.

Friday

Cloudy with flurries. Up to 15 cm snow accumulating by 4 pm. Strong southwest ridgetop wind. Treeline temperature around -6 °C.

Saturday

Cloudy with flurries ending early Saturday morning. Up to 20 cm of snow in 48 hrs. Decreasing west ridgetop wind. Treeline low around -8 °C.

Sunday

A mix of sun and clouds. no precipitation. Light to calm north ridgetop wind. Treeline low around -12 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Be carefull around freshly wind loaded features.
  • Even a small avalanche can be harmful if it pushes you into an obstacle or a terrain trap.
  • Fresh wind slabs will likely form throughout the day, diligently watch for changing conditions.

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.