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Archived

Avalanche Forecast

Mar 13th, 2015–Mar 14th, 2015
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
2: Moderate
The avalanche danger rating at treeline will be moderate
Below Treeline
2: Moderate
The avalanche danger rating below treeline will be moderate
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
Treeline
3: Considerable
The avalanche danger rating at treeline will be considerable
Below Treeline
1: Low
The avalanche danger rating below treeline will be low
Alpine
3: Considerable
The avalanche danger rating in the alpine will be considerable
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: Little Yoho.

New snow and intense wind will form windslabs. The hazard will increase throughout the day Saturday as the load increases.

Weather Forecast

Rain is likely early Saturday at valley bottom elevations. An intense weather system will move through Saturday bringing high winds and10-15 cm snow at higher elevations.

Snowpack Summary

Isothermal snow in valley bottoms and various temperature/wind crusts in the alpine. New windslabs will be slow to bond.

Avalanche Summary

No new avalanches reported.

Confidence

Intensity of incoming weather systems is uncertain

Avalanche Problems

Wind Slabs

5-10 cms of new snow combined with moderate to strong west winds have created pockets of windslab in higher alpine areas. In some areas this is hiding old windslabs which have been reactive . Several skiers have been caught in small slides this week.

  • Use caution in lee areas. Recent wind loading have created wind slabs.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible - Likely

Expected Size: 1 - 3

Loose Wet

Watch for rain in lower elevations

  • Avoid ice climbs that are exposed to steep rocky terrain on solar aspects.
  • Start and finish early before the surface crusts melt.

Aspects: North, North East, East.

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 2