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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

How Joplin tornadoes inspired two entrepreneurs

26 May 2016, Emergency Management magazine

The Joplin tornadoes impact revealed that poor communication of warnings led to high death toll. With this in mind, as well as with the reality of alarm fatigue, business partners came up with a weather alert system that functions through fire alarms and is connected to the Internet.


Number of tornado occured (reported)

Source of data: OFDA/CRED International Disaster Database

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