After a powerful storm in Oklahoma takes the lives of her parents, Dr.
April Saunders (Mimi Rogers) dedicates her life to studying tornadoes
and finding better weather systems to track them. On a trip to Seattle
with her teenage daughter, she stumbles upon a supercell that begins to
cause rare and forceful tornadoes in the area. When her daughter is
caught in a dangerous twister, April must find a way to save her and an
unprepared city from destruction.
