Southwest Missouri, Southeast Kansas -

Sunday marked 11 years since a deadly tornado outbreak unfolded across Southwest Missouri and Southeast Kansas.  

On Sunday, May 4, 2003, 25 people were killed when supercell thunderstorms produced at least 15 tornadoes throughout the area. More than 3,000 homes and businesses were damaged, according to the National Weather Service. 

Officials say several of the tornadoes tracked long distances ranging from 15 to 80 miles. The above picture, provided by the National Weather Service, shows the tracks of the twisters that day. 

Click here to view photos of the damage caused in Pierce City, an area hit hard.