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Avalanche Forecast

Archived

Feb 14th, 2022–Feb 15th, 2022

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

Jasper.

The hazard may trend toward a higher rating with daytime warming and sustained solar effect. BTL and sunny TL features will be most susceptible to a rapid change.

Weather Forecast

Tuesday: Cloudy with sunny periods and isolated flurries. Trace. Temps: High -8 C. Wind W: 10-30 km/h.

Wed: A mix of sun and cloud with isolated flurries. Trace. Temps: Low -13 C, High -9 C. Wind: Mostly light, gusting to 35 km/h. 

Thursday: Cloudy with scattered flurries. 5 cm. Temps: Low -13 C, High -7 C. Wind W: 20 km/h gusting to 45 km/h.

Snowpack Summary

Weak temperature crust on all aspects up to 1900m with a sun crust on solar aspects up to 2800m. Upper snowpack has settled but expect natural activity to increase during peak warming of the day. Exposed alpine stripped to rock at ridge top & open features. Dec Facets down 20-70cm. Basal faceting & depth hoar widespread throughout area.

Avalanche Summary

No new avalanche activity observed or reported from road patrol or field team in Fryatt Valley.

Confidence

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.

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.