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Avalanche Forecast

Archived

Apr 9th, 2022–Apr 10th, 2022

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

Regions

Yukon.

While the overall danger is low, you'll need to watch for small stubborn pockets of wind-loaded snow, especially around ridge crest and in extreme terrain.

Confidence

High -

Weather Forecast

SATURDAY NIGHT: Trace of snow possible, light north wind, freezing level at valley bottom.

SUNDAY: Clear skies, no significant precipitation expected, moderate north wind, freezing level at valley bottom.

MONDAY: Broken cloud cover, potential for some light snow flurries, strong north wind, freezing level at valley bottom.

TUESDAY: Broken cloud cover, no significant precipitation expected, moderate northeast wind, freezing level at valley bottom.

Avalanche Summary

Very little avalanche activity has been reported over the last five days.  

Snowpack Summary

A light dusting of snow rests on 30 cm of settled and bonded storm snow from last weekend. A sun crust is present about 30 cm below the surface on solar aspects.  

A strong mid-pack sits on top of weak facets near the ground.

Cornices are very large and exposure to them should be minimized, especially during warm or windy weather.

Terrain and Travel

  • Small avalanches can have serious consequences in extreme terrain. Carefully evaluate your line for wind slab hazard before you commit to it.
  • Minimize exposure to sun-exposed slopes when the solar radiation is strong.
  • Cornices become weak with daytime heating or solar exposure.

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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.