my name is lauren heel. i frequently drive and sometimes do data. >> filming the storms is my role when we're out chasing. >> as children growing up in tornado alley, kevin, lauren and colt saw severe weather every spring. now as adults chasing tornadoes is their passion. >> sit it down right here. our group mission is to document and see all of the tornadoes. >> wow, that is a long rope that goes way back. >> right alongside that is getting early warning out to the weather service as quick as possible. >> but the 2013 tornado season was starting out slowly. >> this here was interesting in that we've had kind of a later spring so we're like maybe 2013 is going to be mild. >> it's been a benign and quiet april, may. >> we're in a tornado draught. well over the past couple of days and the weekend the jet change. >> finally all of the ingredients coming together. >> the cold weather on one side, the warm air on the other. when the kps are right the super cells will spin. when one storm gets to use all of the hea