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Archived

Avalanche Forecast

Mar 17th, 2020–Mar 18th, 2020
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
2: Moderate
The avalanche danger rating in the alpine will be moderate
Treeline
1: Low
The avalanche danger rating at treeline will be low
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kananaskis.

Watch for shallow, rocky areas, where triggering is more likely.

Confidence

Moderate -

Weather Forecast

Wednesday morning will start out cold at -18c and expected to warm up to -4c. Skies will be a mix of sun and cloud, along with light westerly winds. The forecast snow by Wednesday afternoon is a whopping 2cm.

Avalanche Summary

One size 3 natural on a NE aspects near Galatea creek that started around 2700m. This occurred sometime Tuesday morning.

Snowpack Summary

We still have a winter snow pack with widespread wind slabs dominating the alpine and open areas at treeline. Soft slabs can be found when you transition into tree line. The midpack remains strong while the basal facets are weak. Isolated sun crust can be found on solar aspects. If the sun comes out, solar aspect slopes can become a concern.

Terrain and Travel

  • Avoid shallow snowpack areas, rock outcroppings and steep convex terrain where triggering is most likely.
  • Caution around slopes that are exposed to cornices overhead.
  • Minimize exposure to sun-exposed slopes when the solar radiation is strong.

Avalanche Problems

Wind Slabs

Wind slabs are still a concern in the Alpine and Treeline elevation bands. Multiple layers of wind slab may be found in wind prone areas.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 2.5

Deep Persistent Slabs

This layer is still out there, and is most concerning in shallow, rocky areas.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Unlikely - Possible

Expected Size: 1.5 - 3