Some Oahu residents may hear a familiar wailing sound over the next week as the State Civil Defense continues testing the statewide outdoor siren warning system starting Thursday morning.

Technicians are scheduled to test warning sirens at Kuliouou Park, Moanalua Valley, Ewa Beach Elementary School and Ewa Beach Shopping Center on Thursday between 9:00 a.m. and 11:30 a.m. and at Ala Wai Boat Harbor between 1:00 p.m. and 3:00 p.m.

Residents in the testing areas may hear sirens sound for 30 seconds.

Other areas scheduled for testing on weekdays between Friday and next week Wednesday include Kapolei, Campbell Industrial Park, Honokai Hale, Haleiwa, North Shore, Polynesian Cultural Center, Windward coast, Wahiawa, Hahaione Valley, Kaimuki, Palolo and Makiki.

Residents can call State Civil Defense at 733-4300 with any questions or concerns regarding the tests.