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Archived

Avalanche Forecast

Mar 5th, 2015–Mar 6th, 2015
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
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
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: Cariboos.

There may be another light dusting of snow, with small wind slabs forming, but really there is little change to speak of.

Confidence

Good - The weather pattern is stable

Weather Forecast

Friday: Mainly cloudy with a chance of flurries – 3-6 cm. The freezing level is around 1500 m and ridge winds are moderate from the W-SW. Saturday: Becoming a mix of sun and cloud. The freezing level remains near 1500 m and winds ease to light. Sunday: A mix of sun and cloud. The freezing level jumps to a little over 2000 m and wind could rise to moderate SW by the end of the day.

Avalanche Summary

There was one new report of a size one skier-triggered wind slab on a steep convex roll on Wednesday. Neighbouring regions also experienced widespread dry loose sluffing in steep terrain, and isolated small wind slab activity in exposed areas.

Snowpack Summary

Variable recent storm snow totals across the region are generally in the 5-25 cm range. The snow surface varies with elevation and aspect with respect to sun and wind exposure, and includes dry new snow, loose facetted snow, wind slabs, and sun crusts. The mid-February crust is down around 10-30 cm where it isn't wind loaded or scoured. The late-Jan crust/surface hoar layer (up to 100 cm deep) and the mid-January surface hoar (80-120 cm deep) are generally dormant, and chances of triggering these weaknesses have decreased. However, triggering may be possible with a large input such as cornice fall, or an avalanche stepping down, especially on slopes that see a lot of sun.

Avalanche Problems

Wind Slabs

Fresh touchy wind slabs may be lurking in a variety of places. Although not expected to be large, they could take you for a ride.
Be cautious as you transition into wind affected terrain.>Avoid travelling in areas that have been reverse loaded by winds.>Avoid exposure to terrain traps where the consequences of a small avalanche could be serious.>

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

Elevations: Alpine, Treeline.

Likelihood: Possible

Expected Size: 1 - 3