| Comments | Yukon, Northwest Territories and British Columbia, June 6-30, 2012. More than 70 mm of precipitation from a low-pressure weather system combined with spring snowmelt caused widespread flooding in Upper Liard, Yukon, Nahanni Butte, Northwest Territories, and Lower Post, British Columbia. Approximately 20 people from Upper Liard, 80 people from Nahanni Butte, and 37 people from Lower Post were evacuated. Approximately 2,500 people, including over 300 commercial transport trucks, experienced traffic delays in the region because of highway washouts. There was extensive damage to transportation corridors as well as approximately 25 buildings in areas affected by the flooding. Floodwaters began receding on June 16. Residents were allowed to return home at the end of June. |