April 25-28, 2011, Tornado Outbreak Statistics-
(Updated 7:00 PM MDT May 4, 2011).
As of yesterday there had been 305 tornadoes confirmed by the National Weather Service from 8 AM EDT April 25, 2011 - 8 AM EDT April 28, 2011. This number will continue to change (likely downward) as additional damage surveys are conducted and a clearer picture of the event evolves.
The largest previous number of tornadoes on record in one event occurred from April 3-4, 1974, with 148 tornadoes.
(Updated 7:00 PM MDT May 4, 2011).
As of yesterday there had been 305 tornadoes confirmed by the National Weather Service from 8 AM EDT April 25, 2011 - 8 AM EDT April 28, 2011. This number will continue to change (likely downward) as additional damage surveys are conducted and a clearer picture of the event evolves.
The largest previous number of tornadoes on record in one event occurred from April 3-4, 1974, with 148 tornadoes.
There were approximately 318 fatalities during the entire outbreak from April 25 to April 28.
There were approximately 309 fatalities during the 24-hour-period from 8:00 a.m. April 27 to 8:00 a.m. April 28. This is currently the fifth deadliest day of tornadoes on record.
| Ongoing (preliminary) List of Tornadoes by EF Rating (EF0 to EF5): | |
| EF-5 | 2 |
| EF-4 | 12 |
| EF-3 | 21 |
| EF-2 | 47 |
| EF-1 | 60 |
| EF-0 | 55 |
| Total: | 197 |
- The Tuscaloosa-Birmingham tornado during the April 2011 event caused at least 65 fatalities. This tornado had a maximum width of 1.5 miles and a track 80 miles long.
- These are the most fatalities from a single tornado in the United States since May 25, 1955, when 80 people were killed in a tornado in southern Kansas with 75 of those deaths in Udall, Kansas.
- The deadliest single tornado on record in the United States was the Tri-State tornado (Mo., Ill., Ind.) on March 18, 1925, when 695 died.
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