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 …

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. …

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 …

Have you ever wondered about what atmospheric conditions are needed for a thunderstorm to form?

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.

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 …

Thunderstorms are small, intense weather systems that make strong winds, heavy rain, lightning, and thunder. Thunderstorms can happen anywhere with two conditions: the air near the Earth …

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

May 23, 2023 · The building block of all thunderstorms is the thunderstorm cell. The thunderstorm cell has a distinct life-cycle that lasts about 30 minutes. A cumulus cloud begins to grow …

Nov 26, 2025 · At distances of a few hundred metres, thunder begins with a sudden clap followed by a long rumble; at larger distances, it begins with a rumble. A small percentage of …