The State’s monthly test of the Statewide Outdoor Warning Siren System coordinated with the test of the Live Audio Broadcast segment of the Emergency Alert System, is scheduled for Friday, December 1, 2017 at 11:45 a.m.
The warning sirens are used to alert the public to emergencies. During this test, all warning sirens will sound a one-minute Attention Alert Signal (Steady Tone) followed by a one-minute Attack Warning Signal (Wailing Tone). This will be the first month for the reinstatement of the Attack Warning Signal testing. There will be no exercise or drill on this day.
The Attention Alert Signal informs residents to turn on a radio or television for information and instruction for an impending emergency, or if in a coastal inundation area, evacuate to higher grounds. The Attack Warning Signal directs residents to seek immediate shelter and remain sheltered in place until an all-clear message is broadcasted over radio or television.
Oahu residents 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, & Ewa Beach. The “whooping” tone is a test of the Hazardous Materials (HAZMAT) siren warning group that will be activated in the event of a HAZMAT incident. These sirens can be activated in the event of an actual HAZMAT incident requiring emergency notification of businesses, schools and residents within the vicinity of Campbell Industrial Park. Contact the City and County of Honolulu Department of Emergency Management at (808) 723-8960 for more information on the HAZMAT warning group siren test.
Tests of the outdoor warning sirens and the Emergency Alert System are conducted simultaneously, normally on the first working day of the month, in cooperation with Hawaii’s broadcast industry. Emergency management and disaster preparedness information is located at the front section of telephone directories in all counties.
Contact your emergency management/county civil defense agency to report siren operation issues:
- Hawaii County (808) 935-0031
- Maui County (808) 270-7285
- City and County of Honolulu (808) 723-8960
- Kauai County (808) 241-1800
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