Here is my 2011 Storm Chase Archive. I was using this blog at the time, but I will go ahead and place pointers to each storm chase post (which are chronologically mixed with other posts if you searched for them manually).
5/10/11: Chase Day #1, 383 Miles
5/11/11: Chase Day #2, 567 Miles
5/12/11: Chase Day #3, 682 Miles
5/22/11: Chase Day #4, 288 Miles
5/23/11: Chase Day #5, 483 Miles