Archive for April 2012

Data updates – part 1

As noted in an earlier post, the SPC recently made changes to the pre-2011 historical files. Here’s a list so far, covering the period from 1950-2004. All the changes noted are already live on this site. There will be a future article for the 2005-2010 changes.
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2011 data edited

The SPC has made some changes to the 2011 data, which have been carried over here. While the tornado count changed for two states (1 more for Oklahoma, 1 less for Tennessee), the total tornado count for the year remained the same. A list of the changes:
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2011 data added

The Tornado History Project is happy to announce that year 2011 tornadoes have been added to the database*. There were 1692 tornadoes logged last year, which makes it the 2nd highest annual total on record. This brings the total number of tornadoes mapped on the site to 56,221, covering the period 1950-2011.

Unfortunately, it was also a very deadly year with 550 fatalities and 5479 injuries. To put that into perspective, the total number of fatalities for the previous ten years combined was 563. Some of the most notable tornadoes of the year were this F5 tornado that struck Joplin and surrounding areas in Missouri, and this F4 tornado that struck Tuscaloosa and surrounding areas in Alabama.
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