Strong or severe thunderstorms include some of the most dangerous weather phenomena, including large hail, strong winds, and tornadoes. Some of the most persistent severe thunderstorms, known …

How does a thunderstorm form? Three basic ingredients are required for a thunderstorm to form: moisture, rising unstable air (air that keeps rising when given a nudge), and a lifting mechanism to …

Follow along with us on the latest weather we're watching, the threats it may bring and check out the extended forecast each day to be prepared. You can find the forecast for the days ahead in the...

May 11, 2026 · 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 …

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

See lightning strikes in real time across the planet. Free access to maps of former thunderstorms. By Blitzortung.org and contributors.

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1 day ago · 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. Learn more about …

AccuWeather's Severe Weather Map provides you with a bird's eye view of all of the areas around the globe experiencing any type of severe weather.

This website is designed to teach you how to stay safe in a severe thunderstorm. If you know what to do before, during, and after severe weather you can increase your chances of survival.