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Tornado

A violently rotating storm of small diameter; the most violent weather phenomenon. It is produced in a very severe thunderstorm and appears as a funnel cloud extending from the base of a cumulonimbus to the ground. A funnel cloud is a tornado that has not touched the ground. Tornados can appear in many different colors depending on the type of dust they pick up from the earth. sources: GLIDE; WMO

US: Coastal storm resilience measures slowly moving into 'tornado alley'

30 Apr 2014, E&E

'Fairly modest changes in building design and construction, and code changes and practices, can lead to dramatic improvements in wind hazard resistance of structures,' Marc Levitan, head of research and development in the NIST National Windstorm Impact Reduction Program said...


Number of tornado occured (reported)

Source of data: OFDA/CRED International Disaster Database

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