Avalanche Forecast
Regions: Jasper.
Weather Forecast
Monday will be a mix of sun and cloud with isolated flurries, trace of snow, alpine high -13 °C, and ridge wind west at 20 km/h gusting to 45 km/h. Tuesday will be mix of sun and cloud, no precipitation, -21 °C to -12 °C, and wind southwest 20 km/h. A detailed mountain weather forecast is available from Avalanche Canada.
Snowpack Summary
Jan 2-4, up to 45cm of snow arrived along the 93N. Moderate-strong SW winds built fresh wind slabs in open terrain. The Dec. 11th layer (surface hoar and facets) persists down 60-150cm, and continues to produce avalanches in shallow snowpack areas.
Avalanche Summary
Jan 5th helicopter control on high and low targets produced numerous avalanches with one being a size 4 at Sunset Pass; burying the Icefields Parkway with significant debris and mature trees.
Confidence
Avalanche Problems
Wind Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely
Expected Size: 1 - 3
Persistent Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely
Expected Size: 1.5 - 3.5
Deep Persistent Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely
Expected Size: 1.5 - 4