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Illinois has had large tornado outbreaks in the past, including the tornado outbreak sequence of December 18–20, 1957 and the 1967 Oak Lawn tornado outbreak. Illinois is vulnerable to tornadoes with an average of 35 occurring annually, which puts much of the state at around 5 tornadoes per 10,000 square miles (30,000 km 2) annually. [1]
1862 Great Flood of 1862: ... Tornado outbreak Missouri, Illinois, Indiana, Kentucky, ... Average rainfall over area of 60 mi 2 measured at 10-15 inches ...
Tornado outbreak of June 5–6, 2010; 2010 New Year's Eve tornado outbreak; Tornado outbreak of April 14–16, 2011; Tornado outbreak sequence of April 19–24, 2011; 2011 St. Louis tornado; Tornado outbreak of June 18–22, 2011; 2012 Leap Day tornado outbreak; 2013 Washington, Illinois, tornado; Tornado outbreak of May 18–21, 2013
The United States has seen some deadly and landscape-altering tornado outbreaks in its history. In 1925, an outbreak killed hundreds of people, while in 1974 and in 2011, super outbreaks spewed ...
Arguably one of the nation's worst tornado outbreaks still has many unknowns to this day, largely because it happened in the late 19th century. From Feb. 19-20, 1884, 141 years ago, a swarm of ...
Tornado outbreaks were among the nation’s costliest weather and climate disasters this year. As of Nov. 1, NOAA had tallied a total of 24 weather disasters that each caused at least $1 billion ...
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin — a high-end classification of tornado warning — sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ground ...
In the midday and afternoon hours of Wednesday, March 18, 1925, the deadliest tornado in United States history and second-deadliest worldwide moved through Eastern Missouri, Southern Illinois and Southern Indiana, killing 695 people and injuring 2,027 more in what is sometimes known as the Great Tri-State Tornado.