Avalanche Forecast
Regions: Jasper.
Weather Forecast
A cool and unstable air mass over the region giving isolated flurries in the alpine for the start of the week. Freezing levels rise towards the end of the week. On Tue a mix of sun and cloud with alp highs of -3C and freezing levels close to 2000m. A system starts to move in on Wed with increasing gusting winds from the SW then snow on Thursday.
Snowpack Summary
Above treeline 10cm of loose snow sits on a variety of crusts. Above 2200m, on Northerly facing slopes, a more winter like snowpack can be found. However, at and below 2200 melt-freeze crust dominate the upper snowpack. In the alpine a weak layer down 20-50cm is of concern. Mid and lower snowpack is faceted, and weak in shallow areas.
Avalanche Summary
Recent observation confirm only small loose dry releases from steep and rocky north facing terrain and gully features. Whumphing has been noted from shallower snowpack areas and moraine features indicating unstable snow below.
Confidence
Timing, track, or intensity of incoming weather system is uncertain on Thursday
Avalanche Problems
Loose Dry
Aspects: North, North East, East, North West.
Elevations: Alpine.
Likelihood: Possible
Expected Size: 1 - 1.5
Persistent Slabs
Aspects: North, North East, East, North West.
Elevations: Alpine.
Likelihood: Unlikely - Possible
Expected Size: 1 - 2
Wind Slabs
Aspects: North, North East, East, North West.
Elevations: Alpine.
Likelihood: Unlikely - Possible
Expected Size: 1 - 2