Meteorology

Why Are Hurricanes Moving Slower and Why is This So Difficult to Forecast?

A lot can go wrong when hurricanes stall. Their destructive winds last longer. The storm surge can stay high. And the rain keeps falling. During Hurricane Sally, Naval Air Station...

The Strange and Unpredictable “Derecho” Storm

Thunderstorms are common across North America, especially in warm weather months. About 10% of them become severe, meaning they produce hail 1 inch or greater in diameter, winds gusting in...

How Nuclear Tests During the Cold War Changed Rainfall Patterns Far Away From Test Sites

It’s difficult to imagine quite how alarming it would have been for the world’s meteorologists monitoring the atmosphere during the nuclear tests in the 1950s and early 60s. The radioactivity...