Thunderstorms are responsible for the development and formation of many severe weather phenomena, which can be potentially hazardous. Damage that results from thunderstorms is …

Many hazardous weather events are associated with thunderstorms. Under the right conditions, rainfall from thunderstorms causes flash flooding, killing more people each year than …

3 days ago · A severe weather threat continues over the Deep South on Saturday with tornadoes and flash flooding possible.

Nov 26, 2025 · Thunderstorm, a violent short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong gusty winds. …

At any moment, about 2,000 thunderstorms are occurring worldwide. Learn how thunderstorms form, what causes lightning and thunder, and how these violent phenomena help balance the …

Most thunderstorms form in three stages: the developing stage, when storm clouds form; the mature stage, when the storm is fully formed; and the dissipating stage, when the storm …

Some severe thunderstorms can produce hail larger than softballs or winds over 100 mph, so please pay attention to the weather so you know when severe storms are possible. …

Thunderstorms are common and can be dangerous. They can bring intense wind, flash flooding, hail and dangerous lightning. Know your area’s risk for thunderstorms. In most places they can …

Oct 19, 2023 · Learn how thunderstorms form, what causes lightning and thunder, and how these violent phenomena help balance the planet's energy and electricity.

Descriptions of various types of severe thunderstorms, from the NOAA National Severe Storms Laboratory.