Avalanche Forecast
Issued: Mar 13th, 2017 4:00PM
The alpine rating is Loose Wet, Wind Slabs and Deep Persistent Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Weather Forecast
Tuesday will be steady 20-40km/hr SW winds, clouds, flurries, and freezing level 2100m. Winds will slightly increase speed on Wednesday plus there may be very warm temperatures, significant snow at high elevations, and rain low down Wednesday afternoon into Thursday. The models are not agreeing so allot of uncertainty on outcomes.
Snowpack Summary
Steady moderate Southwest winds transporting and pressing recent 20-40cm of snow into a slab in open areas at TL and above. Generally its bonding to the old snow interface in most areas. The mid-pack consists of persistent slab layers intermixed with weak facets. The base is weak facets, depth hoar, and an ice crust from November.
Avalanche Summary
Monday's patrol observed several wet loose size 1's running in the storm snow at treeline in the Big Bend area. They were likely triggered by solar radiation. March 11 skiers reported remotely triggering from 300m away into the alpine two size 2.5's 1.5m thick and 35m wide. They ran to bottom of the path.
Confidence
Freezing levels are uncertain
Problems
Loose Wet
Aspects: North, North East, East.
Elevations: All elevations.
Likelihood
Expected Size
Wind Slabs
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Deep Persistent Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Mar 14th, 2017 4:00PM