Residents of Greensburg, Kansas had about 20 minutes warning before one of these destroyed their town in 2007
... has just what storms need to get started: cool, 
dry air from the Arctic mixing with ... A system of tornado watches and warnings 
are ... B A tornado came through Greensburg and destroyed the town 20 minutes
... [DOC] [TLE] Spinning Storms - Maine.gov [PAR] Page 1 ... a spring night in 2007, disaster struck a small town in Kansas called 
Greensburg.