Tornado Damage in the Great Smoky Mountains National Park

A EF4 tornado hit the western side of the Great Smoky Mountains National Park and vicinity on April 27, 2011, toppling thousands of trees.

Tornado - before

May 27, 2010

Tornado - After

May 30, 2011

Before (left) and after image (right)  showing a 17-mile long track left by the Great Smoky Mountains National Park tornado. Images are band 543 color composites (RGB) acquired by the Landsat 5 Thematic Mapper sensor on May 27 2010 and May 30 2011.

Marguerite Madden gave a Keynote Address on this topic in Hannover, Germany in Spring, 2011, entitled Multi-temporal Imagery Supporting Earth Studies and Sustainability.