Avalanche Forecast
Issued: Jan 22nd, 2012 8:23AM
The alpine rating is Storm Slabs and Wind Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Confidence
Fair - Freezing levels are uncertain on Tuesday
Weather Forecast
Flurries on Sunday evening and Monday morning should become snow by Monday evening. Gusty southerly winds are expected to become moderate southwest at ridgetops by Tuesday morning. During the day Tuesday the wind is forecast to build to strong from the southwest, freezing levels should rise to about 1000 metres and new snow should accumulate up to 20 cm. Unsettled weather bringing flurries and periods of snow are expected for Wednesday.
Avalanche Summary
No new avalanches reported. Suspect due to limited visibility and travel on Saturday.
Snowpack Summary
The new storm has developed a thick blanket of dry light snow above the cold dry surface. If this new storm warms up a bit, expect a storm slab to consolidate above this cold relatively weak layer. Watch for new windslabs developing due to forecast strong southwest winds. Some surface facetting during the recent cold spell. Strong temperature gradient in the top 30 cm. Stiff windslabs have developed in the alpine and at treeline. Some areas reporting a crust that is now buried by about 50 cm of cold dry light snow. Strong well settled mid-pack. Cornice structures are weak and have been growing fast, and falling off!
Problems
Storm Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Wind Slabs
Aspects: North, North East, East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Valid until: Jan 23rd, 2012 8:00AM