Avalanche Forecast - Sea-to-Sky Date Issued Sunday, 01 January 2012 5:21 PM Valid Until Monday, 02 January 2012 4:00 PM Note that this is archived for reference concerning two incidents on Jan 2 close to each other near Lillooet. This advisory covers an area west of that but directly applicable one is not available in any archive. Danger Rating: Monday Alpine: 3 - Considerable Dangerous avalanche conditions. Careful snowpack evaluation, cautious route finding and conservative decision making essential. Treeline: 3 - Considerable Dangerous avalanche conditions. Careful snowpack evaluation, cautious route finding and conservative decision making essential. Below Treeline: 2 - Moderate Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. Tuesday Wednesday Alpine 4 - High 4 - High Treeline 4 - High 4 - High Below Treeline 3 - Considerable 3 - Considerable Confidence: Fair - Timing, track, or intensity of incoming weather is uncertain for the entire period Wind Slabs: Deep and dense wind slabs exist below ridge crests, behind terrain features and in cross-loaded gullies. New wind slabs will also form with forecast weather. Storm Slabs: Weaknesses within and at the base of the storm snow may be triggered naturally by the weight of a person/sled. Storm slabs could fail on deep persistent weaknesses and at lower elevations than expected. Travel and Terrain Advice * Stay off recent wind loaded areas until the slope has had a chance to stabilize. * The new snow will requires several days to settle and stabilize. * Avoid all avalanche terrain during periods of heavy loading from new snow, wind, or rain. Prepared by Jlammers