Avalanche Forecast
Issued: Mar 6th, 2016 4:00PM
The alpine rating is Persistent Slabs and Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Weather Forecast
Flurries to produce 10 cm by Wednesday. Winds expected to be light. Temperatures and freezing level steadily falling into the middle of the week.
Snowpack Summary
Warm flurries coming in with light SE wind are forming wind slab in lee and cross-loaded terrain above 2000m that are bonding well. The persistent slab is down 40-70cm and is easily triggered in the Whistler/Portal areas even on low angle slopes but is stubborn in the Icefields. Lower snowpack is facetted is extremely weak.
Avalanche Summary
No new observations today but reports of numerous remotely triggered avalanches to size 2 on slope angles as little as 15 deg around Marmot Pass along with widespread whumphing and cracking. Whumphing and cracking also noted in the Maligne area. In contrast, no reports of any propagations in the Icefields area.
Confidence
Due to the number and quality of field observations on Monday
Problems
Persistent Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Wind Slabs
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Mar 7th, 2016 4:00PM