Oakland County Homeland Security will be testing the outdoor warning siren
system in 2013 on:
...The first Saturday of each month at 1:00 p.m.,
with the following exceptions:
- April 6 (Saturday); cancelled due to Severe Weather Awareness Week testing.
- April 10 (Wednesday) at 1:00 p.m. (Special test in recognition of Severe Weather Awareness Week).
- Siren tests are NOT conducted during December, January and February due to winter weather.