<p>Tornado is stranger to Chicagoans and on June 15, some got their first taste of some eerie-sounding tornado sirens. Commuters off work in downtown Chicago quickened their steps while braving torrential rains, flooded streets and a waterspout brought by a powerful storm. A <a class="link" rel="nofollow" target="_blank" href="http://newswire.storyful.com/storylines/*/stories/102150">non-rotating scud cloud</a> was also spotted in downtown Chicago. Credit: YouTube/Matt Cebulak</p>
