The state of Hawaii adds an “attack warning” tone siren to its monthly “attention alert” tests for hurricanes, tsunamis and earthquakes.
This is how it sounds:
According to StarAdviser: ‘At 11:45 a.m. Dec. 1, during regular siren tests on the first business day of each month, 50 seconds of the steady-tone alert will be followed by a pause and then 50 seconds of the attack warning tone, said Hawaii Emergency Management Agency Executive Officer Toby Clairmont.‘
The siren was re-introduced by officials due to North Korean nuclear threat. Last time Hawaii residents heard the attack warning siren test was around 1980 during the Cold War.
![Sound of Attack warning siren in Hawaii, Sound of Attack warning siren in Hawaii video, Attack warning siren in Hawaii video, Attack warning siren in Hawaii sound](https://strangesounds.org/wp-content/uploads/2017/11/attack-warning-siren-hawaii.jpg)
If used as an actual warning, the attack warning siren would signal the need to immediately seek shelter.
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