Sunday rainfall was too fast for sewers to keep up

It may have seemed like more of the same to a lot of people when Sunday's steady rains soaked the greater Chicago area on Sunday, flooding basements and clogging streets.

But it actually was a little unusual, at least in one respect, according to the National Weather Service.

The rainfall rates were more akin to those that can occur in tropical weather conditions or even during hurricanes, said Todd Kluber, a weather service meteorologist.

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Sunday rainfall was too fast for Chicago sewers to keep up

Chicago Office of Emergency Management reports that as of Monday morning there were 1,485 service requests related to Sunday's flooding. Seven viaducts were reported flooded, with 1,177 reports of water in basements.

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