Update On The Tornado Outbreak April 25-28, 2011.

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.

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.

Note: All numbers are based on combined NOAA and historical research records and current fatality estimates. The historical research records extend back to 1860.

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