and then tourists chasing them. I call this "risk tourism" since getting caught in a F5 storm ain't fun. To get some (dated) information about the Storm Chasing industry, see this link.
BTW: Western Mass had a tornado last 1 June 2011 that folks are still cleaning up from. My colleague Dr. Karl Leiker gave a paper at the AAG meeting in NYC in February this year and you can see his abstract at this link.