From PBS Terra.

When two hurricanes get really close, it creates a phenomenon called the Fujiwhara Effect, where they essentially start to orbit each other, attracted by their massive low pressure systems. And in the case of Hurricanes Humberto and Imelda, affecting each other’s path…

Weathered is a show hosted by weather expert Maiya May and produced by Balance Media that helps explain the most common natural disasters, what causes them, how they’re changing, and what we can do to prepare.