Some Say City's Emergency Storm Sirens Inaudible

Here's that story from CBS2:

City emergency sirens were activated just before Monday night's tremendous storms surged through the area.

CBS 2's Mike Parker reports Tuesday evening it's a good deal drier and calmer and quieter here now than it was some 20 hours ago. That's when more than 100 emergency sirens around town blared their storm warnings.
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Emergency Management and Communication Director Ray Orozco, with the click of a mouse, ordered those sirens to sound.

"With the information we had last night, with the wind, the rain and the lightning, it was the prudent thing to do and also with the funnel clouds on their way into the city of Chicago," Orozco said.

All 115 of the city's sirens went off. The idea was to warn people to take cover, much like the thousands who jammed the lower concourse at Wrigley Field in near ankle deep water.
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The sirens are spaced from one to two miles apart. The city says that's to ensure they can be heard everywhere.

But some residents of Lincoln Park and Bucktown say they didn't hear them well or at all Monday night. The city may be looking at that issue in the storm emergency post mortem officials are planning.

You know I could have sworn that I heard the sirens this morning. I suppose just a test to see if they're working.