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The tornado was the first violent tornado to hit the city since 1974, when an F5 tornado would move along a near-parallel path, devastating Xenia. Safety actions taken by the city of Xenia prior to the event were highly criticized after only a single siren located in the town sounded as the tornado approached.
English: Video of Federal Signal Thunderbeam Warning / Civil Defense Siren Test in "Alert" mode for Severe Weather Awareness Week. Recorded in St. Paul, Minnesota, USA. Recorded in St. Paul, Minnesota, USA.
Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines. There are two general types: mechanical and electronic. Many fire sirens (used for summoning volunteer firefighters) serve double duty as tornado or civil defense sirens, alerting an entire community of impending danger. Most fire sirens are either ...
Generally, tornado sirens go off when a situation appears to be life-threatening, and a tornado is seen or indicated on local weather radars. In Louisville, sirens may be activated for winds of 45 ...
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Vasu Communications will upgrade controls for the county's 44 tornado warning sirens. American Rescue Plan Act dollars will pay for the project. Richland County to spent nearly $194,000 to upgrade ...
A Federal Signal Modulator siren in Bay Head, New Jersey.. Federal Signal Modulators (also known as Modulator Speaker Arrays) are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars, tsunamis, or any other disaster.
A civil defense siren is a siren used to provide an emergency population warning to the general population of approaching danger. 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).