Plot

Following the events in Category 6: Day of Destruction, the superstorm that hit Chicago is continuing to grow in size and strength, with tornadoes hitting Paris and destroying the Eiffel Tower. Judith Carr (Gina Gershon), the new head of FEMA struggles to coordinate efforts to prepare for the aftermath of the storm and provide aid to ravaged areas. She calls in her former college lover, Dr. Ross Duffy (Cameron Daddo), and her father Senator Ryan Carr (Robert Wagner) to help her try to determine what is causing the storms and how to deal with the political issues. Tommy Tornado (Randy Quaid), who survived his seeming death in the previous film, returns to aid in tracking the storm in the United States, assisted by scientist Faith Clavell (Shannen Doherty). Similar storms are developing around the country and an interaction between urban heat islands and "falling chunks of mesosphere" fuels the storms making them more powerful. Hurricane Eduardo strikes toward Florida while the Category 6 storm hits Buffalo and heads towards