Archived Avalanche Forecast - North Columbia Date Issued Monday, 09 March 2015 4:15 PM Valid Until Tuesday, 10 March 2015 9:00 PM Forecast warm temperatures, sunny skies and high freezing levels are expected to weaken windslabs in the alpine. Public Avalanche Forecast Danger Rating: Tuesday Alpine - 2 - Moderate Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. Treeline - 2 - Moderate Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern. Below Treeline - 1 - Low Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features. Wednesday Thursday Alpine 2 - Moderate 2 - Moderate Treeline 2 - Moderate 1 - Low Below Treeline 1 - Low 1 - Low Confidence: Fair - Timing or intensity of solar radiation is uncertain Problem - Wind Slabs Windslabs have developed on various aspects in the alpine and at treeline. Rising freezing levels and strong solar radiation may increase the likelihood of triggering windslabs, and may allow for longer fracture propagations. Travel and Terrain Advice Travel on ridgetops to avoid wind slabs on slopes below. Avoid freshly wind loaded features. Avoid sun exposed slopes when the solar radiation is strong, especially if snow is moist or wet. What Elevation Zone? - Alpine, Treeline Which Slopes? - All Chance of Avalanches? - Possible to Likely Expected Size? - Small to Large