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Archived

Avalanche Forecast

Dec 4th, 2015–Dec 5th, 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
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
2: Moderate
The avalanche danger rating below treeline will be moderate

Regions: Little Yoho.

Ski quality is refreshed, but watch local snow amounts as we expect a slow rise in the avalanche danger. Treeline and below will see the biggest change in the next few days as new snow will be sitting over surface hoar and will slide readily. SH

Weather Forecast

Scattered flurries Sat with temperatures staying below freezing and light to mod SW winds.  Saturday night will see a bigger pulse with 5-10cm expected each day through next week.

Snowpack Summary

5-20cm overlies the Dec 3rd interface of surface hoar, suncrust and surface facets at treeline. Surface hoar up to 20mm exists up to 1800m in the Emerald Lake area. Above 1800m, due S to SW facing terrain a suncrust exists and other aspects are soft facets or wind hammered snow. Snowpack depth is about 100cm. Wind slabs forming in immediate lees.

Avalanche Summary

No new avalanches were observed or reported.

Confidence

Due to the number and quality of field observations on Friday

Avalanche Problems

Wind Slabs

Watch lee features near ridge crests as small wind slabs have been forming from warm temperatures, wind and recent snow.

  • Be careful with wind loaded pockets, especially near ridge crests and roll-overs.

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

Elevations: Alpine.

Likelihood: Possible

Expected Size: 1 - 2