More Tornado Siren Tests Planned This Week

Last Tuesday’s late-night storms gave St. Louis County tornado sirens a live test—just weeks after a system-wide test of the new sirens—but it appears that they didn't all operate as intended.

David "Duff" Barney, with St. Louis County Emergency Communications Commission, announced this morning that individual sirens will be retested later this week.

“We got calls from folks who said they couldn’t hear the sirens outdoors,” Barney said. “We’re just checking to make sure the sirens are operating according to the manufacturers' specifications.”

Barney said he received no complaints that the sirens were too loud.

The , as a system, then .

The tests are scheduled for Wednesday, Thursday and Friday between 10 a.m. and 2 p.m., weather permitting. So if you hear them go off throughout the , you now know why.

Each test will be preceded by a voice announcement, followed by a one-minute alert tone, and then concluded with a voice announcement.

Barney said the final list of test sirens hasn't been identified yet.