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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

Canada: Helping at-risk populations survive tornadoes

12 Sep 2012, CFP

In the event of a tornado, additional lead time does little for at-risk populations that cannot evacuate and must seek 'shelter-in-place.' Now is the time to address improved construction standards and to have the discussion regarding at-risk populations, reports the Canadian Free Press...


Number of tornado occured (reported)

Source of data: OFDA/CRED International Disaster Database

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