Severe Thunderstroms

A large crater was created by a "hydraulic explosion" in part of the Deep Tunnel system in Calumet City, after valve designed to relieve pressure from stormwater buildup that did not vent properly. (Credit: CBS)

Heavy Rain Leads To Storm Tunnel Explosion In Calumet City

The heavy rain from Sunday’s storms overwhelmed a stormwater system in south suburban Calumet City, causing an explosion in a sewer that’s part of the Deep Tunnel system, and leaving a massive crater.

05/12/2014

Storms

Storms, Flood Threat To Persist Throughout The Day

We finally have some relief from the sweltering heat this, but the downside is that the entire day will be awash in rain and thunderstorms, with a risk of flooding.

CBS Chicago–06/09/2011