WDAY: The News Leader

Published June 25, 2013, 12:00 AM

Jet Stream Extremes

In this Sunday, June 23, 2013 file photo, floodwaters inundate homes in Medicine Hat, Alberta. Alberta's municipal affairs minister says 27 communities are under a state of emergency as some areas begin to recover from flooding while others are still bracing for it. Scientists say the erratic jet stream has been responsible for downpours that have led to historic floods in Alberta. (AP Photo/The Canadian Press, Nathan Denette, File)
Read the article: 94 in Alaska? Weather extremes tied to jet stream