Chase logs by year: 2011 |  2010 |  2009 |  2007 |  2006 |  2005 |  2004 |  2003 |  2002 |  2001 |  2000 |  1999  Nightfall supercells in DeWitt, IA(3 April 2011) Tornadic supercells in Central WI (10 April 2011) Supercells in central MN (10 May 2011) Flight into Cat 3 Hurricane Irene (24 Aug 2011)