Waterspout
© Brian Matthews
A waterspout formed over Lake Michigan Thursday afternoon, and could be seen from Chicago, according to the National Weather Service.

Just after 2:15 p.m., the NWS in Chicago tweeted that the waterspout was visible from Chicago a few minutes earlier, and had already dissipated.
@NWSChicago Looking east from Chinatown in Chicago. Right now pic.twitter.com/DKpKUwAIWd

— Kenny Spain (@spain_kenny) September 1, 2016
@Skilling@nbcchicago@ABC7Chicago@cbschicago video of the waterspout today from Willis Tower 46th fl pic.twitter.com/fFu7q9Sp6r

— Patrick Cagney (@FRATpat19) September 1, 2016
According to the NWS, a waterspout is a "funnel which contains an intense vortex, sometimes destructive," occurring over a body of water.