Add Yahoo as a preferred source to see more of our stories on Google. Oct. 2—With trees and power lines toppled across the two-state region, the remnants of Hurricane Helene packed a powerful punch.

Learn how the June 29, 2012 derecho brought hurricane-force winds, massive power outages, and widespread destruction to ...

On June 29, 2012, a severe storm system, known as a Derecho, barreled through the Ohio Valley and the Mid-Atlantic region, leaving 4.2 million customers without electric power across 11 states and the ...

Do you remember the 2012 D.C. derecho? Where were you when the storms hit on June 29? Comment here or on the WTOP Facebook page. WASHINGTON — On the evening of Friday June 29, 2012, a powerful line of ...

(Editor’s note: This post was originally published June 29, 2017. We’re republishing it on June 29, 2018 on the six-year anniversary.) It’s been six years since the infamous June 29, 2012, derecho cut ...

June 29, 2012, is a difficult day for those in and around Washington, D.C., to forget. On that day, an intense line of extremely gusty thunderstorms taught millions of people a new word: derecho. The ...

On June 29, 2012, a small, innocuous-seeming thunderstorm system developed over the cornfields of central Iowa. The system gained a bit of strength as it blew east, arriving in northern Indiana around ...

A derecho is a storm system that brings widespread wind damage. To be classified as a derecho, it has to have wind damage reports of at least 250 miles in length, and common wind gusts to 58 mph or ...

This post was originally published on June 8. This summer in Washington, we have enjoyed a derecho reprieve (so far!). However, there is another storm brewing: The basic, scientific criteria used to ...

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 excess of ...