Unexplained nighttime noises provoke fear, sleepless nights as residents seek answers

A mysterious hum has unsettled Cincinnati neighborhoods since December, keeping residents awake at night and sparking fear ...
Discover Wildlife

Underwater ‘sirens’ and the loneliest whale in the world: 6 of the weirdest noises heard in the ocean (including an unsolved mystery)

The Upsweep is an unidentified sound detected by the NOAA, first recorded in August 1991. Almost siren-like, the Upsweep is ...
Local News 8

‘A constant almost siren-like noise’: Residents urge city to investigate unknown noise

CHIPPEWA FALLS, Wisconsin (WQOW) — Residents in a Chippewa Falls neighborhood are urging the city to investigate a loud noise that is disrupting their lives. The source of the noise remains unknown.
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'It's going to get loud': Comal County testing new high-water warning sirens

If you're hearing a loud siren noise in Comal County right now, do not be alarmed. The county took to social media on Wednesday morning to remind residents it is testing its new high-water warning ...
9NEWS

Denver to test new remote emergency sirens Wednesday

DENVER — The Denver Office of Emergency Management will conduct its annual test of the city’s outdoor warning sirens on Wednesday morning. The test is scheduled for 11 a.m. The city said the sirens ...
The Anniston Star

Unexpected siren sound Monday was part of routine EMA maintenance

CALHOUN COUNTY – Those who heard the Calhoun County Emergency Management Agency’s warning siren around 2 p.m. Monday may have been a little anxious. However, EMA director Myles Chamblee said there was ...