A 100,000 people were evacuated from Calgary . A sudden downpour in the mountains plus snow melt caused a lot of flooding. It's about a 2 1/2 hour drive from Edmonton. I have relatives there and also friends in the Calgary Metal Detecting Club.
http://www.cbc.ca/news/canada/calgary/story/2013/06/21/calgary-flood-closures-list.html?cmp=rss
http://www.cbc.ca/news/canada/calgary/story/2013/06/21/calgary-flood-closures-list.html?cmp=rss