A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning and thunder. [1] Relatively weak thunderstorms are sometimes called …

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 …

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. …

With an updraft, downdraft, and rain, the cloud is now called a cumulonimbus cloud and the cycling of air up and down is called a thunderstorm cell. The moving air within the cloud builds …

Jul 21, 2025 · Real-time tornado watches, severe thunderstorm warnings, and special marine warnings for the United States and Canada. Track active and expired severe weather alerts …

Severe Weather Outlook This page displays the official NOAA Storm Prediction Center’s severe weather forecasts, updated multiple times daily. These are the most reliable, scientifically …

Thunderstorm - A rain-bearing cloud that also produces lightning. All thunderstorms are dangerous. Every thunderstorm produces lightning. In the United States, an average of 300 …

Jul 31, 2025 · A thunderstorm is one of the most energetic weather phenomena we see here in the UK, with blasts of thunder and flashes of lightning.

Aug 1, 2023 · Rapidly rising air causes thunderstorms. The cloud eventually rises upward to temperatures below freezing, creating ice particles. These ice particles may collide and …

Jun 16, 2025 · A thunderstorm is a localized weather phenomenon characterized by the presence of lightning and thunder, resulting from cumulonimbus clouds generated by strong, upward …