A recent study explores the puzzling decline in EF5 tornadoes, contributing it to more strict criteria in the Enhanced Fujita scale introduced in 2007.

Twelve years ago, the last EF5 tornado to hit the United States tore through Moore, Oklahoma. The violent storm carved a path of destruction through neighborhoods, killing 24 people and injuring ...

May 20, 2013, marks the last time the United States was hit by the worst type of tornado. On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 ...

MOLINE, Ill. — A new study published by the American Meteorological Society has shed light on a puzzling phenomenon: The United States has not logged an EF5 tornado, the most violent category ...

In a spring of historic tornado outbreaks, a single late May tornado in southwest Missouri was the mic drop on a truly terrible 2011. On May 22, 2011, 14 years ago today, an EF5 tornado tore a six ...

Twelve years ago, the last EF5 tornado to hit the United States tore through Moore, Oklahoma. The violent storm carved a path of destruction through neighborhoods, killing 24 people and injuring ...

She survived the last EF5 tornado at age 8. 12 years later, she's studying to be a meteorologist. Aria Vargyas was just 8 years old when her school, Briarwood Elementary, collapsed around her.

She survived the last EF5 tornado at age 8. 12 years later, she's studying to be a meteorologist. She was rescued and survived. But her two sisters, 4-year-old Karrina and 7-month-old Sydnee, died ...