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Outdoor warning sirens, known to most people as severe weather sirens or tornado sirens, are one of the most effective ways to inform the public of dangerous weather conditions and other emergencies. This is true across the United States, especially in tornado-prone states like Oklahoma, Kansas, Nebraska, South Dakota, Texas, Missouri, and Iowa.

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Tornado sirens are outdoor warning systems designed to alert communities to the presence of an imminent tornado threat. Their primary purpose is to warn people who are outdoors or in their homes without access to other forms of communication, such as television or radio.

Initially designed to warn city dwellers of air raids (air-raid sirens) during World War II, they were later used to warn of nuclear attack and natural disasters, such as tornadoes (tornado sirens).

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Jun 18, 2013 · warning, and is then handled by the personnel there that presses the proverbial ‘red button’ to activate the civil defense (also know simply as tornado) sirens in areas that are most likely...