The violent tornado tore through Moore, Oklahoma, on May 20, 2013, killing 24 people and injuring dozens more.

A series of outbreaks in March, April and May have produced hundreds of tornadoes, with five of them rating as violent EF4s.

Fujita even agreed that structural integrity should be taken into account when ... The last official EF5 tornado to hit the U ...

On that date, a monster EF5 tornado tore a 17-mile path ... Thus, he and other researchers say that some of the EF4 tornadoes of the past few years should probably have been classified as EF5s.

Storm shelters, safety kits, and early alerts can make the difference between life and death- Knowing where to go and what to ...

Enhanced Fujita (EF) scale: Tornadoes are classified on the Enhanced Fujita scale, which ranges from EF0 to EF5. Originally created ... area of a tornado watch should be prepared to find a ...

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 ...

828 people were killed by EF4 or EF5 tornadoes in that time compared to 649 for all tornadoes rated EF0 to EF3, combined. -Top States: It should come as no surprise where violent tornadoes occur ...

Twelve years ago, the last EF5 tornado to hit the United States tore ... "She didn't give up right after she lost her sisters, which should be easy to do." Aria Vargyas is guided by loss ...