Dangerous ‘supercell’ thunderstorms driven ... “An ordinary summer thunderstorm can produce lightning and a heavy downpour, ...

Lightning and heavy rainfall are dangerous ... are issued by your local Weather Service office. A supercell is a highly organized thunderstorm with some components that set it apart from other ...

AGAIN, THIS IS A DANGEROUS STORM PRODUCING A TORNADO. THIS IS THE SAME CELL WHICH PRODUCED THE DAMAGE AND POWERFUL TORNADO THAT MOVED ACROSS OUR SOUTHERN COUNTIES, WENT THROUGH NORTHERN WALTHALL ...

Here's when the worst weather will move through New Orleans, the northshore Houma, Baton Rouge and the Mississippi Coast.

Damaging straight line winds, large hail and a few tornadoes will all be threats," the National Weather Service said.

It's Day 2 of Severe Weather Preparedness Week - learn what makes a thunderstorm severe, how tornadoes form and the difference between watches and warnings.

While the United States experiences tens of thousands of thunderstorms each year, they come in different types. Here's what ...