First EF5 tornado in 12 years confirmed in North Dakota — a possible warning for Texas

The National Weather Service said the EF5 twister in North Dakota packed winds stronger than 200 mph, underscoring risks that ...

A June tornado turned out to be a rare EF5. Why that’s surprising — and important

There hadn’t been an EF5 — the most intense on the five-point Enhanced Fujita Scale — anywhere on the planet for more than 12 years, dating back to an Oklahoma tornado on May 20, 2013. And then on ...