A mesoscale convective system (MCS) is a large, organized cluster of thunderstorms that tend to become prolific rain, wind and lightning producers. They often form in the central U.S. after sunset, ...

Blazing summertime heat can lend thunderstorms a mean punch. Vivid lightning, ripping winds, large hail, and even tornadoes are common across Canada during the heart of the warm season. Many of these ...

A mesoscale convective system (MCS) is a large, organized cluster of thunderstorms that tend to become prolific rain, wind and lightning producers. They often form in the central U.S. after sunset, ...

MADISON, Wis. -- The First Warn Weather Team is tracking the possibility of a late Tuesday night and early Wednesday cluster of thunderstorms. This kind of cluster has a name – a mesoscale convective ...

Check this out — it’s so cool! Animation of a mesoscale convective vortex (MCV) moving into the Tennessee Valley Sunday morning, July 10, 2016. A mesoscale convective vortex (MCV) is spinning its way ...

There's a weird weather phenomenon headed toward Greater Cincinnati. It's called a mesoscale convective vortex and you can blame it for the thunderstorms expected Wednesday afternoon. So what exactly ...

I have been seeing rumblings from meteorologist colleagues about something "tropical" forming in the Gulf of Mexico next week. It remains to be seen whether anything pans out. However, there is ...

A mesoscale convective system is forecast to bring heavy rain, thunderstorms, and gusty winds to central Mississippi this ...

When the ingredients of moisture, an unstable atmosphere and a lifting mechanism combine, thunderstorms often form, but sometimes, several cells can join forces and turn into what is known as a ...