Americans are getting less advance notice for tornadoes, as researchers struggle to understand why

Over the past decade, scientific understanding of tornadoes has improved, and the technology available to detect them has leapt forward. Yet recent statistics show National Weather Service forecasters are providing less advance notice for tornadoes than they did five years ago and more frequently failing to detect them. The reasons for the troubling decline in…

What is Tornado Alley?

Spawned by the raging interactions of powerful thunderstorms, tornadoes are some of the most awe-inspiring and destructive natural forces seen in the United States each year. The most frequent and devastating tornado events tend to occur in the region of the U.S. colloquially referred to as Tornado Alley. “Tornado Alley is an area of the…

Tornado outbreaks are becoming even more extreme, but less frequent

Outbreaks of tornadoes — where multiple tornadoes form over an area in just a few hours or days — are responsible for most of the devastating destruction caused by severe weather, and a new analysis has reached a worrying conclusion about the worst of these outbreaks. Outbreaks with many tornadoes are becoming more extreme, particularly…

Tornado outbreaks are getting more violent…but there’s no trend in smaller ones

A tornado may cause localized destruction, but the most severe problems come when a storm system spawns multiple tornadoes. This creates what’s called a tornado outbreak, which spreads destruction across a wider area. Now, a new study suggests that the most violent tornado outbreaks are on the rise. But the researchers behind the study see…