Avalanche Forecast
Regions: Glacier.
Weather Forecast
Rain will start this morning, turning to snow this afternoon as freezing level drops. Possible snow amounts to 8cm with an Alpine high of 3 deg & southwest ridge wind @ 20kph gusting 45. Freezing level will spike to 2200m this AM then drop to 1300m tonight. Temps stay cool for the next couple of days however they go back up to 3600m by Thursday
Snowpack Summary
Warm temps and 3mm of rain yesterday have created an isothermal and moist snowpack. Thin surface crusts forming overnight are weak and break down quickly. Multiple crusts in the top meter of the snowpack provide sliding surfaces. Dry snow exists on steep N aspects in the high Alpine.
Avalanche Summary
Sunday there was a natural avalanche cycle in the park triggered by poor overnight freeze, daytime highs of +11, 3mm of rain and strong solar. Destructive wet avalanches were observed to size 3, the most notable were glide crack releases & low elevation slabs. Saturday night a south facing avalanche path on Cougar Mtn ran sz 3 to the end of runout.
Confidence
Freezing levels are uncertain
Avalanche Problems
Loose Wet
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely - Very Likely
Expected Size: 1 - 3
Cornices
Aspects: North, North East, East, South East, South, South West.
Elevations: Alpine.
Likelihood: Possible
Expected Size: 2 - 3
Persistent Slabs
Aspects: North, North East, East, South East, South, South West.
Elevations: Alpine, Treeline.
Likelihood: Unlikely - Possible
Expected Size: 2 - 4