This image shows the path of the Tri-State Tornado, which continues to be the most single-damaging, most fatal, and longest-tracking tornado on record. The tornado was on the ground for 3.5 hours, completely destroying four towns.
With the NOAA 200th Celebration coming to a close at the end of 2007, maintenance of this Web site ceased. Updates to the site are no longer being made.
This image shows the path of the Tri-State Tornado, which continues to be the most single-damaging, most fatal, and longest-tracking tornado on record. The tornado was on the ground for 3.5 hours, completely destroying four towns.