Dashboard Regions Weather Stations Radar Alerts Glossary
Contact About
Log In

Register for an account and never miss a forecast again!

Register

Avalanche Forecast

Archived

Feb 13th, 2022–Feb 14th, 2022

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely.
Below Treeline
Natural avalanches unlikely.

Regions

South Coast.

Thin new wind slabs may form on Monday. These will sit on a firm melt-freeze crust which may increase their reactivity. 

Confidence

Moderate - Uncertainty is due to the track & intensity of the incoming weather system.

Weather Forecast

The warm air exits the region Sunday overnight. A weak storm system is expected to bring light snowfall for Monday morning before clearing in the afternoon. 

Sunday night: Mainly cloudy, moderate SW wind, freezing levels falling to around 1000 m.

Monday: Snowfall in the morning up to 15 cm, sunny breaks in the afternoon, moderate SW wind becoming light NW, freezing levels reaching around 1200 m. 

Tuesday: A mix of sun and cloud, moderate NW wind, freezing levels around 1000 m. 

Wednesday: Mainly cloudy, moderate NW wind, freezing levels as high as 2000 m with an inversion.

Avalanche Summary

On Saturday, a natural rockfall-triggered loose wet avalanche was reported from a south-facing cliff band. Glide cracks were also reported to be opening up. No new avalanches were reported on Friday. 

Snowpack Summary

Monday's snowfall will bury a widespread surface crust which exists on all aspects and at all elevations.

The late-January melt-freeze crust is now down around 40 cm and is reported to be knife hard and up to 30 cm thick. This crust extends to at least the top of treeline and is generally well bonded to the adjacent snow. 

The middle and lower snowpack are considered well settled and strong.

Terrain and Travel

  • Watch for newly formed and reactive wind slabs as you transition into wind affected terrain.
  • Wind slabs may be poorly bonded to the underlying crust.

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.