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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).
Public warning system siren in Dresden, Germany. An emergency population warning, or public warning system is a method where by local, regional, or national authorities can contact or notify members of the public to warn them of an impending emergency. These warnings may be necessary for a number of reasons, including:
Public warning system, Dresden. Electronic sirens by Telegrafia. A siren of the Public Warning System. The Public Warning System (PWS) is a network of civil defense sirens installed by the Singapore Civil Defence Force on over 2,000 strategic points in Singapore to warn Singaporeans of impending dangers, air raids and atomic bomb blasts.
A siren is a loud noise-making device. There are two general types: mechanical and electronic. Civil defense sirens are mounted in fixed locations and used to warn of natural disasters or attacks. Sirens are used on emergency service vehicles such as ambulances, police cars, and fire engines.
What will the Siren’s Curse be like at Cedar Point? Cedar Point says riders on the coaster will hear this mournful music as they ascend a lift hill themed to an old 160-foot-tall Lake Erie ...
The Standard Emergency Warning Signal (SEWS) is a warning siren used in Australia to alert the public of danger. The siren is played over radio, television or public address systems in public places to warn of bushfire , flood , cyclone , tsunami , earthquake or terrorist attack .
A British air raid siren from the Second World War. All clear is the signal, generally given by an air raid siren, which indicates that an air raid or other hazard has finished and that it is safe for civilians to leave their shelters; it is commonly used in radios as well.
Sirens, video game characters in Borderlands Shadow Sirens, major antagonists (except Vivian ) in Paper Mario: The Thousand Year Door The Siren, a character from the 1960s Batman TV series unrelated to the DC Comics Siren