Avalanche Forecast
Regions: Jasper.
Weather Forecast
Snow continues on Monday with variable distribution up to 10cm and then tapers as a clearing trend moves in for Tuesday. Wind mainly Southwesterly and light. Freezing levels to remain below 1600m and temps reaching a low of -16 overnight on Monday but warming quickly as the solar radiation is expected to be strong on Tuesday.
Snowpack Summary
Variable distribution of recent storm snow, with the deepest amounts in the 45cm range in the Columbia Icefields area. Minimal wind affect other than exposed areas at upper elevation. Feb10 interface is down 60-90cm and has been dormant recently. Lots of snow available for transport.
Avalanche Summary
Avalaunche control work in the Medicine Lake area today produced several size 2.5 slabs which ran to the lower third of the path and numerous loose dry slides to size 2. Road patrols in the Columbia Icefields area had limited visibility but did report 1 sz 2 natural avalanche on a North aspect at treeline - 50-75cm deep and 50m wide.
Confidence
Timing or intensity of solar radiation is uncertain
Avalanche Problems
Wind Slabs
Aspects: North, North East, East, South East, South.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1 - 2
Loose Dry
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1 - 2
Persistent Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Unlikely - Possible
Expected Size: 2 - 3