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Archived

Avalanche Forecast

Mar 19th, 2015–Mar 20th, 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
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
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.

We are on the verge of better ski quality given the current forecast. Watch locally for new wind slabs in the alpine sitting over harder surfaces beneath. SH

Weather Forecast

The Little Yoho forecast is currently calling for 10cm Friday, 15-20cm on Saturday, and 10cm on Sunday.  Freezing levels will be up to 2000m on Friday with moderate westerly winds.

Snowpack Summary

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

Forecast snowfall amounts are uncertain on Saturday

Avalanche Problems

Wind Slabs

New wind slabs will start to become more sensitive to human triggering Friday on lee features in the alpine.  This will continue through the weekend given the current forecast.

  • Watch for whumpfing, hollow sounds, and shooting cracks.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2