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Archived

Avalanche Forecast

Mar 6th, 2021–Mar 7th, 2021
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
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
1: Low
The avalanche danger rating below treeline will be low

Regions: Kananaskis.

As we quickly approach spring remember that heat is a major contributor to avalanche cycles. In the days and weeks to come watch localized warming trends and solar inputs. Field based weather forecasting becomes increasingly important as spring goes on.

Confidence

High -

Weather Forecast

We are returning to a more seasonal pattern for the next few days. Tomorrow will start at -10C and warm up to -6C. Sunny aspects and lower elevations will have warmer temperatures climbing to just above zero. Like today, flurries will blow through and give us a few centimeters of snow. Speaking of blowing, the SW winds will be gusty and variable in the alpine, but more or less calm in valley bottoms.

Avalanche Summary

Nothing from the last 24 hours, but evidence of a widespread loose wet cycle is still visible.

Snowpack Summary

We did get a few cm's of new snow today, which is welcome. In most areas the recent warmth has taken a toll with widespread crusts up to treeline elevations. Sunny aspects will now have a thinly buried crust up to alpine elevations. On the shady sides, there is still a series of stacked windslabs that are becoming less reactive as the snowpack cools.

Terrain and Travel

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Avoid lee and cross-loaded terrain.
  • Pay attention to isolated alpine features as well as cross-loaded features at treeline.
  • Be alert to conditions that change with elevation and sun exposure.
  • Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet

Avalanche Problems

Persistent Slabs

Despite the strong heat not much activity was observed on this interface. Recent skier triggerred activity indicate that it should still be very much in your mind as you travel. 

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1.5 - 3

Wind Slabs

Windslabs exist in the upper snowpack that feel drummy and cakey in some areas. Be aware of the potential for wide propagations. 

.

Aspects: All aspects.

Elevations: Alpine, Treeline.

Likelihood: Likely - Very Likely

Expected Size: 1.5 - 2.5