Willis Tower KWO39, programmed by the National Weather Service Weather Forecast Office in Chicago, is equipped with Specific Area Message Encoding (SAME), which sets off a siren on specially-programmed weather radios to alert of an impending hazard, such as a tornado or civil emergency. The building has appeared in numerous films and television shows set in Chicago such as "Ferris Bueller's Day Off", where Ferris and company watch the streets of Chicago from the observation deck. The television show "Late Night with Conan O'Brien" introduced a character called The Sears Tower Dressed In Sears Clothing when the show visited Chicago in 2006.
U.S. Bank Building (Chicago) naming rights for the building through 2026. Notes U.S. Bank Building (Chicago) U.S. Bank Building, formerly 190 South LaSalle Street, is a tall skyscraper in Chicago, Illinois. It was completed in 1987 and has 40 floors. Johnson/Burgee Architects designed the building, which is the 57th tallest building in Chicago. From 1988-2016 the lobby of the building featured a tapestry by Helena Hernmarck titled "The 1909 Plan of Chicago" depicting the Civic Center Plaza proposed in the Burnham Plan of Chicago. In May 2013, U.S. Bank announced it agreed to increase its leased space in the structure from to . The