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Avalanche Forecast

Archived

Jan 3rd, 2016–Jan 4th, 2016

Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

Little Yoho.

With incoming cloud cover and light snowfall, the possibility of loose and wet avalanches will subside on Monday.

Weather Forecast

Increased cloud cover and light precipitation is expected starting tomorrow. This weather pattern will remain for a few days. Accumulations through Thurs are not expected to exceed 10cm. Check our weather stations for current treeline and alpine temperatures.

Snowpack Summary

A well settled snowpack with few weaknesses exists throughout the region. There is moist surface snow/sun crust on steep solar aspects. Isolated wind slabs exist on leeward slopes in the alpine. Below 2000m, the Dec 3 layer of surface hoar and facets remains visible down 35-70 cm but is currently dormant. Thin areas are faceting out and weakening.

Avalanche Summary

No avalanches observed or reported in the forecast region today however, avalanches up to size 2 likely occurred on steep rocky terrain with the sun affect and warm alpine temperatures on today. The possibility of loose/wet avalanches will subside on Monday with incoming cloud cover and light snowfall. Small cornice failures are also possible.

Confidence

Forecast snowfall amounts are uncertain

Problems

Wind Slabs

Wind Slab avalanches are the release of a cohesive layer of snow (a slab) formed by the wind. Wind typically transports snow from the upwind sides of terrain features and deposits snow on the downwind side. Wind slabs are often smooth and rounded and sometimes sound hollow, and can range from soft to hard. Wind slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.