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Avalanche Forecast

Archived

Mar 18th, 2021–Mar 19th, 2021

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

Regions

Kananaskis.

Cloud cover will likely limit the quality of freeze overnight. A dusting of new snow is also forecast as we will likely start to get accumulations of new snow this week. Low doesnt mean No! Continue to evaluate your terrain choices before committing. 

Confidence

Moderate -

Weather Forecast

Cloud is forecast to move in overnight and light snow over the next few days. Winds are forecast to return to there normal 40-60km feel out of the SW on friday also. Conditons will become more "march" like with cooler tempertures and lower freezing levels. The key think to note for Friday will be the quality of the freeze overnight based on when the cloud cover arrives... Before you head out look at the weather stations to make a good assessment. 

Avalanche Summary

 A few loose wet slides from solar alpine features up to sz 1.5.

Snowpack Summary

Crusts are being observed up to the peaks on solar aspects but surprisingly, some dry snow is still being found on northern aspects down to 2000m. You have to be creative with you lines but good skiing was still found on Thursday. In general the ski quality is only good on the polar aspects and then on solar its all about timing. Corn snow was found today at 11am but we didnt want to be out much later than that! Early starts are important as it aspect and whats overhead...

Terrain and Travel

  • Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet
  • Avoid rock outcroppings, convexities, and anywhere the snowpack is thin and/or variable.
  • Be alert to conditions that change with elevation and sun exposure.

Problems

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.

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.