I have a idea on why tornandos erupt from weather systems, it's an atomic/molecular fluid dynamics idea. But I'm not going to say anything until I can prove the theory.
The web helps you collect that which has already been collected.
Someday man should learn how to enjoy liberty without license, nourishment without gluttony, and pleasure without debauchery. Self-control is a better human policy of behavior regulation than is extreme self-denial.