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Warning Siren System Test Scheduled for Aug. 1

July 29, 2022, 10:30 AM HST
* Updated July 29, 8:59 AM
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The monthly test of the all-hazard Statewide Outdoor Warning Siren System is scheduled for Monday, Aug. 1, 2022, at 11:45 a.m. The siren test will be coordinated with a test of the Live Audio Broadcast segment of the Emergency Alert System.

During this monthly test, all Statewide Outdoor Warning Sirens will sound a one-minute Attention Alert Signal (SteadyTone). A test of the Live Audio Broadcast segment of the Emergency Alert System is conducted at roughly the same time as the monthly siren sounding, in cooperation with Hawaii’s broadcast industry. There will be no exercise or drill accompanying the test.

The all-hazard Outdoor Siren Warning System for Public Safety is one part of Hawai‘i’s Statewide Alert & Warning System used to notify the public during emergencies. If you hear this siren tone in circumstances other than a test, follow emergency information and instructions provided by official government channels. These may be in the form of a local radio or television station broadcast, and/or a cellular Wireless Emergency Alert.

Wireless Emergency Alert delivers sound-and-text warnings to compatible mobile cellular phones. The Emergency Alert System & Wireless Emergency Alert’s notifications are managed by the Federal Emergency Management Agency’s Integrated Public Alert and Warning System, the nation’s alert and warning infrastructure.

Oʻahu residents and visitors in areas surrounding Campbell Industrial Park may also hear a “whooping” tone following the siren test. These areas include portions of Kalaeloa, Makakilo, Nanakuli, Kapolei, and Ewa Beach. The “whooping” tone is a test of the Hazardous Materials (HAZMAT) siren warning group that would be activated in the event of an actual HAZMAT incident requiring emergency notification of businesses, schools, residents, and visitors in the vicinity of Campbell Industrial Park. Contact the City and County of Honolulu’s Department of Emergency Management at 808-723-8960 for more information on the HAZMAT warning group siren test.

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Emergency management and disaster preparedness information is located at the front section of telephone directories in all counties. For the latest information from the HI-EMA, or to sign up for county alerts, visit ready.hawaii.gov.

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The public may contact emergency management and county civil defense agencies to report siren operation issues through the following numbers.

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