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Archived

Avalanche Forecast

Feb 2nd, 2015–Feb 3rd, 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
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Little Yoho.

Excellent ski conditions in Little Yoho today with 35 cm of blower powder at higher elevations, and 20 cm in valley bottoms. Looks like another two days of great conditions until things change significantly on Thursday as another storm approaches.

Weather Forecast

Westerly flow continues with the storm track now positioned directly over the area.  No significant systems embedded for the next few days, so expect light flurries with only a few cm of accumulation for Tuesday and Wednesday. Light winds continue to be forecast.  A significant system will cross the region on Thursday with of 30 cm expected by Sat.

Snowpack Summary

35 cm of low density storm snow has fallen at 2500 m over the last few days, with minimal to no wind effect. 20 cm in the valley bottom. This new snow sits upon a melt-freeze crust until 2200 m. Shears exist within the new snow, and there is a tremendous amount of new snow available to blow into windslabs. So far the wind has been light . . .

Avalanche Summary

Loose snow sluffing out of cliffs was observed in numerous locations today.

Confidence

Wind speed and direction is uncertain

Avalanche Problems

Wind Slabs

There is 30-40 cm of loose snow available for windslab formation at higher elevations. Currently these windslabs are very isolated or non-existent, but this will change immediately with any wind.  Watch for blowing snow and beware when it happens.

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

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2