The 10 Costliest U.S. Tornadoes since 1950

...in 2007 Dollars

Storm Prediction Center

NOTE: Prior to 1994, Storm Data used categories for "Damage Class." The pre-1994 values used here are inflation-adjusted^* medians within that particular damage class, except where corrected for averaging errors.

	DATE	LOCATION(S)	ACTUAL $	ADJUSTED* $
1	8 Jun 1966	Topeka KS	250,000,000	1,599,537,000
2	11 May 1970	Lubbock TX	250,000,000	1,335,695,000
3	3 May 1999	Oklahoma City OK	1,000,000,000	1,244,297,720
4	3 Apr 1974	Xenia OH	250,000,000	1,051,217,000
5	6 May 1975	Omaha NE	250,603,000	965,613,420
6	10 Apr 1979	Wichita Falls TX	277,841,000	793,339,380
7	3 Jun 1980	Grand Island NE	285,050,000	717,122,150
8	3 Oct 1979	Windsor Locks CT	250,000,000	713,842,980
9	8 May 2003	Oklahoma City OK	370,000,000	416,853,260
10	9 Jun 1953	Worcester MA	52,000,000	403,730,370

^* Uses the US Federal Reserve Bank's Consumer Price Index calculations available online.

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