HISTORY

categoryNatural disasters in Iowa - Wikipedia, the free encyclopedia

categoryTornadoes in Iowa - Wikipedia, the free encyclopedia

categoryTornadoes in the United States - Wikipedia, the free encyclopedia

categoryTornadoes in the United States by state - Wikipedia, the free encyclopedia

Cultural significance of tornadoes - Wikipedia, the free encyclopedia

List of North American tornadoes and tornado outbreaks - Wikipedia, the free encyclopedia

List of tornadoes and tornado outbreaks - Wikipedia, the free encyclopedia

List of tornadoes causing 100 or more deaths - Wikipedia, the free encyclopedia

Tornado History Project Maps and Statistics

Tornado records - Wikipedia, the free encyclopedia

Tornadoes of 2013 - Wikipedia, the free encyclopedia

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