Meanwhile, Donnie's not the only person capturing footage around the town, as the bad weather has brought to town a crew of hi -
tech storm chasers hungry to make a name for themselves with the kind of first - person footage that TV stations could only dream to air.
EXTRAS: There's a featurette on the visual effects used to create the
storm sequences, a behind - the - scenes look at designing the high -
tech storm -
chaser tank Titus, and a discussion with famed
storm -
chaser Reed Timmer about the science of tornados.