Tornade à Trois-Rvières 4 septembre 2011,Tornado in Canada 4 sept.2011

http://www.youtube.com/watch?v=pqDYN0g_wNo,,,,http://www.youtube.com/watch?v=IIH_dQ49w4I&NR=1,,,,http://www.youtube.com/watch?v=sLq4Dw2QMB4&feature=related