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A thunderstorm is the result of convection. What is a severe thunderstorm? A thunderstorm is classified as “severe” when it contains one or more of the following: hail one inch or greater, winds gusting in excess of 50 knots (57.5 mph), or a tornado. How many thunderstorms are there?
A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning [1] and its acoustic effect on the Earth's atmosphere, known as thunder. [2] . Relatively weak thunderstorms are sometimes called thundershowers. [3] . Thunderstorms occur in a type of cloud known as a cumulonimbus. [4] .
Learn how thunderstorms form, what causes lightning and thunder, and how these violent phen... At any moment, about 2,000 thunderstorms are occurring worldwide.
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 thunderstorms, including their structure and the different types.
How Thunderstorms Form. The developing, mature, and dissipating stages of a thunderstorm. 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 weakens and breaks apart.
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.
Know your area’s risk for thunderstorms. In most places they can occur year-round and at any hour. Sign up for your community’s warning system. The Emergency Alert System (EAS) and National Oceanic and Atmospheric Administration (NOAA) Weather Radio also provide emergency alerts.
Descriptions of various types of severe thunderstorms, from the NOAA National Severe Storms Laboratory.
Tornadoes and flooding spawned by severe thunderstorms tore through parts of Oklahoma overnight, leaving at least 11 people injured and shredding homes and other properties.
Thunderstorms are awe-inspiring natural phenomena that result from the interplay of warm, moist air and cooler air masses. They serve essential functions in regulating our planet's temperature, providing precipitation, and cleansing the atmosphere.