The 10 deadliest U.S. tornadoes on record
updated 12:09 PM EDT, Tue May 21, 2013
The "Tri-State" tornado of 1925 traveled through Missouri, Illinois and Indiana, killing nearly 700 people.
(CNN) -- Here are the 10 deadliest tornadoes to touch down in the United States, according to the National Oceanic and Atmospheric Administration:
1. The "Tri-State Tornado" killed 695 people and injured 2,027, traveling more than 300 miles through Missouri, Illinois and Indiana on March 18, 1925. It was rated an F5 at the top of the old Fujita scale (with winds of 260-plus mph).
2. The "Natchez Tornado" killed 317 people and injured 109 on May 6, 1840, along the Mississippi River in Louisiana and Mississippi. The official death toll may not have included slaves, according to the Federal Emergency Management Agency.
The "St. Louis Tornado" of 1896 killed 255 people in Missouri and Illinois.
3. The "St. Louis Tornado" killed 255 people and injured 1,000 on May 27, 1896, in Missouri and Illinois. It had winds of between 207 mph and 260 mph.
4. The "Tupelo Tornado" killed 216 people and injured 700 on April 5, 1936, in the northeastern Mississippi city.
5. The "Gainesville Tornado" was a pair of storms that converged April 6, 1936, in Gainesville, Georgia, killing 203 people and injuring 1,600. The tornado destroyed four blocks and 750 houses in the northern Georgia town.
6. The "Woodward Tornado" wreaked havoc across parts of Texas, Oklahoma and Kansas on April 9, 1947. The storm, which killed 181 people and injured 970, reportedly was more than a mile wide in places.
A search team looks for possible victims after a tornado hit Joplin, Missouri, in May 2011.
7. The tornado that struck Joplin, Missouri, on May 22, 2011, killed 158 people and injured more than a thousand. The storm packed winds in excess of 200 mph and was on the ground for more than 22 miles.
8. The "Amite/Pine/Purvis Tornado" killed 143 people and injured 770 on April 24, 1908. The storm left only seven houses intact in Purvis, Mississippi, and also caused damage in Amite, Louisiana.
9. The "New Richmond Tornado" killed 117 people and injured 200 on June 12, 1899, in New Richmond, Wisconsin.
10. The "Flint Tornado" killed 115 people and injured 844 on June 8, 1953, in Flint, Michigan. The tornado was the deadliest twister ever recorded in the state.
What you need to know about tornadoes
Part of complete coverage on
Oklahoma City Tornadoes
updated 9:58 AM EDT, Mon June 3, 2013
Heavy storms and tornadoes once again ripped through the Midwest. Already devastated areas of Oklahoma were hit again, and this time the damage spread to neighboring states. Here's how you can help.
updated 11:30 AM EDT, Thu May 30, 2013
Families share memories and snapshots of those we lost in the Oklahoma tornado devastation.
updated 1:11 PM EDT, Wed June 5, 2013
The Oklahoma medical examiner's office says 18 people in that state were killed in the storms. The office has released the names of 11.
updated 9:58 AM EDT, Tue June 4, 2013
They chased tornadoes not so much for the thrill, but in the hope that their research might help people avoid the fate to which they succumbed last week.
updated 10:14 AM EDT, Tue June 4, 2013
A menacing tornado churned behind Mike Eilts as the storm chaser's truck sped away.
updated 6:26 AM EDT, Mon May 27, 2013
Why do people in Tornado Alley keep rebuilding and staying in place after storms rip through? People from Moore share their reasons why.
updated 5:07 PM EDT, Mon May 27, 2013
See the best images from the deadly storm.
updated 10:39 AM EDT, Wed May 22, 2013
It's one of the most familiar pieces of advice from authorities to people in the path of a tornado: Get into your basement.
updated 7:55 AM EDT, Thu May 23, 2013
On Sunday, a mystery photograph fluttered from the sky and landed near Leslie Hagelberg's mailbox in West Tulsa, Oklahoma.
The tornado spanned 1.3 miles -- the length of more than 22 football fields lined up end-to-end -- carved a 17-mile path of destruction.
updated 2:31 PM EDT, Wed May 22, 2013
Second-grade teacher Tammy Glasgow walks around what's left of Briarwood Elementary, struggling to pick out of its wreckage the things that once made a school.
updated 9:19 AM EDT, Wed May 22, 2013
It was the end of the school day. The kids at Plaza Towers Elementary School were stuffing their backpacks, looking forward to going home, playing with friends, eating snacks.
updated 12:09 PM EDT, Tue May 21, 2013
The "Tri-State Tornado" killed 695 people and injured 2,027, traveling more than 300 miles.
See the path of the tornado that ripped through Moore, Oklahoma.