1991 West Virginia derecho

[1] Two people were killed and 145 were injured in the event, mainly from falling trees, flying debris, and mobile homes and trailers being overturned.

[2] Western and central West Virginia were affected by hail and several roads were blocked.

This derecho was the worst severe weather event for West Virginia since the 1974 Super Outbreak.

[5] There are several criteria for a mesoscale convective system (MCS) to be considered a derecho.

However, when all of these conditions occur simultaneously in the atmosphere, a derecho storm system has the potential to form.