Severe weather warnings remain in place throughout the weekend as extreme conditions, including a tornado outbreak, threatens ...

Lyza, lead author on the new study about the EF5 tornado drought, said that although these monstrous tornadoes are admittedly the rarest of beasts, the odds of going that many years without 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 ...

"When we moved to the new EF scale in 2008, the wind speeds to confirm an F5/EF5 tornado changed from 200 to 201 mph, but damage indicators which validate the wind speeds did not change." ...

Severe weather season usually begins to ramp up in March and lasts through the start of summer. The dramatic increase in sun ...

"There is no evidence that the occurrence of intense tornadoes has changed, but rather that higher ratings are being applied more strictly," Lyza told USA TODAY. Lyza, lead author on the new study ...

A tornado warning has been issued for Syracuse, New York. A thunderstorm is forecast to move through parts of Onondaga County, including Liverpool and Galeville The National Weather Service issued ...

The other, which had the most severe damage near Diaz in Jackson County, was determined to be a high-end EF4 tornado with maximum winds of 190 mph. For comparison, an EF5 tornado has winds of at ...