These sirens are part of the Oakland County Early Weather Warning Program.
When the National Weather Service issues a tornado warning or a severe thunderstorm with damaging winds at or greater than 70 mph, the sirens are activated from the Oakland County Dispatch Center which is manned 24 hours a day.
Please be advised that Oakland County Emergency Management will be testing the outdoor warning siren system on the following dates in 2023:
 
March 4 Saturday 1pm First Saturday of the month test
March 22 Wednesday 1pm Special test in recognition of Severe Weather Awareness Week (SWAW)
April 1 Saturday 1pm First Saturday of the month test
May 6 Saturday 1pm First Saturday of the month test
June 3 Saturday 1pm First Saturday of the month test
July 1 Saturday 1pm First Saturday of the month test
August 5 Saturday 1pm First Saturday of the month test
September 2 Saturday 1pm First Saturday of the month test
October 7 Saturday 1pm First Saturday of the month test
November 4 Saturday 1pm First Saturday of the month test


Note: Siren tests are not conducted during December, January, or February due to winter weather.