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Archived

Avalanche Forecast

Mar 16th, 2015–Mar 17th, 2015
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
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
Alpine
1: Low
The avalanche danger rating in the alpine will be low
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: Little Yoho.

Sunday's upslope storm didn't reach this region. A little new snow on Saturday helped with ski quality, but it came with strong W winds in the alpine.

Weather Forecast

We are under the influence of a ridge of high pressure until Friday. Tuesday will be a great day to be in the mountains with light winds, sunny skies and a good freeze. Wednesday and Thursday will have weaker freezes and potentially cloudier skies, but light winds and no precip.

Snowpack Summary

Strong Southwesterly winds have stripped windward slopes and deposited the 5-10 cm's of new snow onto leeward aspects (north through easterly slopes). Wind slabs up to 30cm's have been observed at TL and Alpine locations. The mid pack and base of the snowpack is well settled and well bonded overall. Surface crusts exist below 1900m

Avalanche Summary

No natural avalanches have been reported recently.

Confidence

Avalanche Problems

Wind Slabs

15-20 cm with strong Westerly winds have formed isolated wind slabs in lee features. These may be touchy - especially where the slabs overlay old crusts on solar aspects.

  • Watch for whumpfing, hollow sounds, and shooting cracks.
  • The new snow will require several days to settle and stabilize.

Aspects: North, North East, East, South East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2