Avalanche Forecast
Regions: Jasper.
Weather Forecast
Saturday night will be wet flurries, 6cm of snow, -3 degrees, light North wind, and 1800m freezing level. There may be a weak temperature inversion Saturday night and Sunday. Sunday will be flurries, 8cm of snow, high of -3, light E winds, and 1900m freezing level. Monday will be sun and cloud, no precipitation, and 2300m freezing level.
Snowpack Summary
Moist/wet snow extends to treeline on all but the most Northerly slopes. Persistent slabs are on most aspects at treeline and above. They have been reactive to triggers like cornice falling and larger loose wet avalanches. Below 2200m the snowpack is isothermal as there has been no overnight freeze except for Northerly aspects.
Avalanche Summary
The spring avalanche cycle is in full swing with temperatures reaching 17 degrees. Large destructive avalanche are running from all elevations and going far into the valley bottom.
Confidence
Avalanche Problems
Loose Wet
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Very Likely
Expected Size: 1 - 3
Persistent Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood: Likely - Very Likely
Expected Size: 1.5 - 3.5
Cornices
Aspects: All aspects.
Elevations: Alpine.
Likelihood: Very Likely
Expected Size: 1.5 - 3