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Archived

Avalanche Forecast

Jan 10th, 2016–Jan 11th, 2016
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
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
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: South Coast.

It looks like one more mainly dry day before the snow returns. Avalanche danger will rise as new snow accumulates. How quickly this happens depends on how much snow and wind we see.

Confidence

Moderate - Timing, track, or intensity of incoming weather system is uncertain on Tuesday

Weather Forecast

Monday: Increasing cloud with snow in the afternoon. The freezing level is around 500-600 m. Ridge winds should increase to moderate from the S-SW. Tuesday: Periods of snow – 15-25 cm from Monday evening through Tuesday. The freezing level is around 800 m. Winds are moderate to strong from the SW. Wednesday: Cloudy with light snow. The freezing level is near 800 m and winds ease to light from the W-NW.

Avalanche Summary

Some minor loose snow sluffing has been observed but there are no new reports of slab avalanches.

Snowpack Summary

10-15 cm of dry snow sits on a variety of old surfaces including a melt-freeze crust on solar aspects in the alpine, smooth old snow on higher elevation lee slopes, and well-developed surface hoar in sheltered areas at treeline and lower elevations. This dry surface snow is capped by a sun crust on steep solar aspects, or a fresh layer of surface hoar on sheltered and shady slopes at all elevations. Variable winds have created soft wind slabs in lee and cross-loaded terrain in alpine areas. The mid and lower snowpack is generally strong, with the exception of shallow snowpack areas.

Avalanche Problems

Wind Slabs

Small wind slabs may be sensitive to rider triggering in steep and unsupported lee and cross-loaded terrain.
Be careful with wind loaded pockets, especially near ridge crests and roll-overs.>

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

Elevations: Alpine.

Likelihood: Unlikely - Possible

Expected Size: 1 - 2