Avalanche Forecast
Regions: Jasper.
Weather Forecast
Now until Friday, freezing level will hover around 1800m, temperatures will be seasonal -3 to -6 with good overnight freeze Tuesday night. Expect freeze thaw conditions. Mixed clouds and trace of snow rest of the week.Â
Snowpack Summary
Tuesday's warm temperatures softened alpine surface snow and weakened lower elevations snowpack making for moist/wet conditions. Slabs will persist at tree-line and above on North-Easterly aspects below ridge crests and cross-loaded terrain. The mid-pack is facetted, new snow interface is a concern along with a decomposed surface hoar down 40cm.
Avalanche Summary
Warm temperatures induced a natural avalanche cycle on Tuesday late afternoon. Size 3's noted in the alpine and size 2's at lower elevations. Highway 93 was subsequently closed in the late afternoon.
Confidence
Timing or intensity of solar radiation is uncertain
Avalanche Problems
Persistent Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Possible
Expected Size: 1 - 3
Wind Slabs
Aspects: North, North East, East, South East, South.
Elevations: Alpine, Treeline.
Likelihood: Possible
Expected Size: 1 - 3