Talk:Tornado outbreak

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according to the AMS glossary [1] a tornado outbreak is defined as 10 or more tornadoes. But as to whether that has been made official or not, i'm not sure. Dr Denim 20:32, 21 May 2006 (UTC)

There is no singular or "official" definition. They're defined differently for different purposes, and also subject to modification because of changing nature of the tornado record (i.e. there are many more tornadoes reported in the last couple decades than previously). Definitions tend to agree that an outbreak must be at least 5-20 tornadoes generated from the same general storm system. That fits the idea of a tornado outbreak fairly universally. The Glossary of Meteorology definition is peer-reviewed and a reliable source; and it fits the articles definition well, but definitions can be refined to suit an authors purpose. Evolauxia (talk) 11:59, 15 March 2008 (UTC)