40th Anniversary of Northern Illinois' Worst Tornado Disaster

Other Tornadoes Details of the other tornadoes that day are not as complete. Here is a list of other tornadoes that occurred in the area that day; ...

United States Tornado History

United States Tornado History Impact Forecasting ® is a wholly owned subsidiary of Aon Corporation 1 The United States has the highest occurrence of tornadoes of any nation in the world.


Tornadoes March 2007 Talking About Disaster: Guide for Standard Messages Tornadoes- 1 Tornadoes AWARENESS MESSAGES Why talk about tornadoes? Tornadoes have been reported in every state.

Tornado Trends over the Past 30 Years

Figure 1: Frequency of tornadoes since 1970. Black line represents the 5-year trend analysis. Tornado Trends over the Past 30 Years

What to Do Before, During, and After a Tornado

What to Do Before, During, and After a Tornado Tornado Watches and Warnings The National Weather Service issues a tornado watch when tornadoes are likely to develop.

Owlie for Kids: Tornadoes

Quick Facts

U.S. Department of Commerce National Oceanic and Atmospheric Administration National Weather Service Quick Facts Page 1 of 2 Last Updated July 20, 2009 Tornadoes • Every year, an average of 1,200 tornadoes kill about 60 Americans, injure 1,500 people and cause more than $400 million ...

Tornado History

3-40 Tornado History Indiana's tornado history extends back to its early settlement. There are records of tornadoes occurring in Indiana as far back as 1814, but there are few statistics on these early twisters.

Tornado in a Bottle

Find out more about tornadoes at NOAA's Tornadoes Web page, http://www.noaa. gov/tornadoes. html . You may also want to visit the Tornado Project's Web site, ...

Evolution of the U.S. Tornado Database: 1954-2003

Many tornadoes have gone and wil l continue togo unreported, but the underreporting has been reduced in recent decades (Brooks and Doswell 2002).

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