Avalanche Forecast
Regions: Jasper.
Please no ice climbing between Parker Ridge and Rampart Creek on Tuesday.Uncertainty in final amounts of snow as well as its reactivity on a variety of buried surfaces.Time to step back and assess terrain as you go.Follow AB511 for closures.
Weather Forecast
Tuesday: Flurries. Accumulation: 7 cm. Alpine temperature: High -4 °C. Ridge wind southwest: 20 km/h gusting to 50 km/h. Freezing level: 1700 metres.
Wednesday: Cloudy with sunny periods and isolated flurries. Precipitation: Trace. Alpine temperature: Low -10 °C, High -8 °C. Ridge wind west: 15 km/h gusting to 40 km/h. Freezing level at VB.
Snowpack Summary
Up to 15 mm of new snow since Friday. Sheltered areas tree line and below hold 10-20cm of soft snow over top a strong settled mid pack. Alpine snow has a variety of surfaces . A temperature crust down 10-30cm is decomposing and generally below 2300m on steep solar aspects. A facet and depth hoar layer is at the bottom of the snowpack.
Avalanche Summary
No new avalanche activity observed on Sunday or Monday. On Saturday, one steep loose surface slide was noted in the Mt. Cromwell area at treeline on a due East aspect.Â
Confidence
Avalanche Problems
Wind Slabs
Previous variable winds in the alpine has sculpted much of the terrain particularly where slopes present to the wind. Investigate any large slope before committing.
- Use caution in lee and cross-loaded terrain near ridge crests.
Aspects: North, North East, East, South East, North West.
Elevations: Alpine, Treeline.
Likelihood: Possible - Likely
Expected Size: 1 - 2
Loose Dry
With up to 20 mm of new snow, loose new snow could be an issue for ice climbers in tight gullies or steep cliffs above.
- Be careful of loose dry power sluffing in steep terrain.
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Possible
Expected Size: 1 - 2