Satellite images of Joplin, Mo., before and after the tornado

The single deadliest tornado since the National Weather Service began keeping records in 1950 hit Joplin. At center is Joplin High School. Use the slider below to compare the landscape before and after the tornado hit. Images courtesy Google Earth, GeoEye.

Use the slider to compare the landscapes before and after the tornado. Images courtesy Google, DigitalGlobe.

Joplin, Mo. on June 16, 2009, and on May 25, 2011 after tornado.