When Do Tornado Sirens Go off?

Answer

Tornado sirens go off most commonly when there is a weather threat such as a tornado or other severe weather. However, they also go off for practice on the first Wednesday of every month.
Q&A Related to "When Do Tornado Sirens Go off?"
Sirens will sound when the NWS issues a warning or when local officials receive a creditable report of a tornado in the vicinity. As for whether a tornado needs a wall cloud.then
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In our community, the emergency sirens are briefly sounded to summon the volunteer fire department.
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