A study has found the likelihood of a decade-long absence of EF5 tornadoes is low and offers an explanation for the phenomenon, according to NOAA meteorologist Anthony Lyza, lead author on the study.

Nighttime tornadoes are nearly twice as likely to be deadly as those occurring during the day, a 2022 study found, as Friday’s tornado outbreak proved.

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 ...

A recent study explores the puzzling decline in EF5 tornadoes, contributing it to more strict criteria in the Enhanced Fujita scale introduced in 2007. Canada reconsidering multi-billion dollar ...