in snow and debris. The Wellington Disaster killed ninety-six people – thirty-five passengers and sixty-one railroad employees – which made the Wellington avalanche one of the worst train disasters in United States history. Over a century later, an avalanche occurred on February 19, 2012 near Tunnel Creek Canyon Road, killing three of four experienced backcountry skiers, including the Stevens Pass Ski Area's marketing director; professional skier Elyse Saugstad, who was wearing an avalanche airbag backpack, survived after tumbling down for more than 2,000 feet (600 m). Climate Stevens Pass experiences a maritime-influenced alpine subarctic climate (Köppen Dsc), with short, mild, dry summers and extremely heavy winter snowfall. The following chart includes climate data from October 26, 1950 to April 30, 1994. References External links Stevens Pass road conditions from Washington State Department of Transportation Stevens Pass ski area official site Mountain passes of Chelan County, Washington Transportation in King County, Washington Landforms of King County, Washington Mountain passes of Washington (state) Rail mountain passes of the United States Mountain passes of the North Cascades Transportation in Chelan County, Washington