Avalanche Forecast
Regions: South Coast.
Confidence
Fair - Forecast snowfall amounts are uncertain on Sunday
Weather Forecast
The mild airmass that moved over the region on Saturday will continue to cause alpine temperatures around -3.0 overnight and into Sunday. The storm is focused on the Central Coast around Bella Coola. Inland areas are forecast to only get about 5-10 cm by Sunday noon. The next pulse of moisture looks like it will bring heavier precipitation. Expect about 20-30 cm of snow combined with strong southwest winds on Sunday night. Snow should taper off by Monday morning with a chance of convective flurries Monday afternoon. The freezing level should drop down to valley bottom by Monday as the wind clocks to the northwest. Tuesday morning should be dry and cool with valley temperatures dropping down to about -10.0
Avalanche Summary
Reports of a natural moist avalanche cycle in the Coquihalla up to size 3.0. There is a report of a possible avalanche involvement in the Cerise Creek area. If you have any more information, please email us at [email protected] or fill in an online report at www.avalanche.ca
Snowpack Summary
New windslabs are developing from new snow and strong westerly winds. Observers report moderate shears down 30-40 cm on decomposed and fragmented crystals. There has been about 25 cm in the Coquihalla and less in the Duffey Lake area in the past two days.
Avalanche Problems
Wind Slabs
Aspects: North, North East, East, South East.
Elevations: Alpine, Treeline.
Likelihood: Likely - Very Likely
Expected Size: 2 - 5
Storm Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Likely
Expected Size: 2 - 5
Persistent Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood: Possible - Likely
Expected Size: 3 - 6