Officials delayed Sunday's game between the Chicago Bears and Baltimore Ravens with 4:51 remaining in the first quarter due to severe weather at Soldier Field.

The National Weather Service issued a tornado watch, severe thunderstorm and flash-flood warnings for the downtown Chicago area, effective until 4 p.m. local time.

Fans were asked to begin evacuating the stands prior to the official suspension of the game.

A tornado was confirmed in southern LaSalle County -- located approximately 100 miles southwest of Chicago -- on Sunday, according to Chicago's ABC affiliate.