A derecho is a widespread windstorm. We dive into how they form, where they form and when they form most often.

One of the deadliest storms in Pennsylvania's history impacted Beaver County, claiming the lives of three residents and ...

For those driving or running errands, the sight of the funnel clouds was the only indication ... When comparing the 1985 storm to the recent derecho storm, the first thing to note is the social ...

A mesoscale convective system is a complex of thunderstorms that can produce damaging wind gusts, hail and heavy rainfall.

The time of year combined with the upcoming weather pattern may bring Michigan several severe weather outbreaks. Here's how ...

He knew storms in Houston were always a risk, but the derecho’s raging winds caught the homeowner by surprise. Rafael Lemaitre, a Houstonian and former director of public affairs for FEMA ...

Supercells, like the one in Austin, can last for several hours and are often isolated from other storm cells. A derecho, on the other hand, are rare but naturally occurring, widespread storm ...

National Weather Service's Storm Prediction Center Cloud cover will play a key role in whether strong storms develop. If clouds remain, they could hinder the development of severe weather ...