In response to calls from residents during an actual tornado warning last month, St. Louis County officials have announced that they'll begin a series of re-tests of some of their new tornado sirens on Wednesday.
Any siren location where officials received multiple calls from residents claiming not to have heard the siren will be subject to the re-tests.
The re-tests will occur between 10 a.m. and 2 p.m. and will be accompanied by "This is only a test" messages at the beginning and end of each activation.
All of the re-tests are expected to conclude by Feb. 8, and will not occur on Saturday or Sunday.
