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Thunderstorms and Lightning

Thunder and lightening in the sky near a house

All thunderstorms are dangerous because every thunderstorm produces lightning. Lightning can kill or seriously hurt people. Thunderstorms are also dangerous because they can lead to flash floods.




Visit the FEMA library to download more facts about Thunderstorms and Lightning

Am I at Risk?

Thunderstorms and lightening happen everywhere, but dry thunderstorms that don’t produce rain are most common in the Western U.S. They usually occur in the summer when it’s warm and humid.

Words to Know!


Death caused by electric shock, like a lightning strike

Power Surge

A spike, or huge, quick increase, in the amount of electricity coming through a power line

Heat Lightning

Lightning seen from a thunderstorm that is too far away for the thunder to be heard