A woman who witnessed her parents being killed by a tornado becomes an expert in extreme weather conditions. She discovers a potentially devastating twister is moving towards a city where her brother is the sheriff, but struggles to convince him that he is in danger. Thriller, starring Mimi Rogers and Michael Ironside.

A brother and sister are torn apart when their parents die tragically in a tornado. While he moves to Seattle to be away from the memory, she devotes her life to studying storms and weather patterns. When she discovers the threat of a powerful series of tornadoes are heading for Seattle, she must convince her brother and the entire city that she is not crazy; and they are in grave danger