A storm is a kind of severe weather
marked by hard wind
(a wind storm
), or wind transporting some substance through the atmosphere
(as in a dust storm
, etc). A storm is usually defined as wind measuring 10 or higher on the Beaufort scale
, meaning a wind speed of 89 kilometers per hour (55 miles per hour) or more.
List of historical storms --see severe weather, extreme weather.
Wiktionary definition of storm, meteorology.