Avalanche Forecast
Issued: Jan 24th, 2012 9:14AM
The alpine rating is Wind Slabs and Storm Slabs.
, the treeline rating is , and the below treeline rating is Known problems includeSummary
Confidence
Good - -1
Weather Forecast
Heavy precipitation on Tuesday should lighten to flurries by Wednesday mid-morning. Strong southwest winds are expected to continue until Wednesday evening, when the wind should clock to the northwest as a ridge of high pressure builds over the interior. The freezing level is expected to rise to near 1000 metres during the evening on Tuesday, and then drop back to valley bottoms. Thursday and Friday should be drier and cooler with alpine temperatures dropping to about -14.0
Avalanche Summary
Natural avalanches up to size 2.0 reported on east and southeast aspects in the alpine that released in the recent storm snow.
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
Wind Slabs
Aspects: North, North East, East.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Storm Slabs
Aspects: All aspects.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Jan 25th, 2012 8:00AM