The mark consists of the words "WINDY CITY" written in white stylized font with the word "STORM" written below in purple stylized font, outlined in white, black, and grey. The wording appears against a black upside-down triangle, outlined in purple, black, and grey, with a white five-pointed star that is partially shaded with grey and outlined in black, purple, and grey at each point of the triangle. A grey and white lightning bolt, outlined in black, purple, and grey appears below the word "STORM".
The color(s) purple, grey, white, black is/are claimed as a feature of the mark.
"WINDY CITY"