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Flooding in Illinois, April-June 2002

Open-File Report 2002-487
By:  and 
https://doi.org/10.3133/ofr02487

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Abstract

Widespread flooding occurred throughout most of Illinois in spring 2002 as a result of multiple intense rainstorms that moved through the State during an extended 2-month period from the third week in April through the month of May in central and southern Illinois, the first week in June in northern Illinois, and the second week in June in west-central Illinois. The scale of flooding was highly variable in time and intensity throughout the State. A Federal disaster was declared for central and southern Illinois to deal with the extensive damage incurred during the severe weather, and to provide emergency aid relief. Discharge and stage records for the flood periods described above are presented for 193 streamflow-gaging stations throughout Illinois and in drainages just upstream of the State. New maximum instantaneous discharge was recorded at 12 stations during this flood period, and new maximum stage was recorded at 15 stations. Flood stage was exceeded for at least 1 day during this 2-month period at 67 of the 82 stations with established flood-stage elevations given by the National Weather Service. Of the 162 streamflowgaging stations with an established flood-frequency distribution, a 5-year or greater flood discharge was recorded at 87 stations, and a 100-year or greater flood discharge occurred at six stations.

Suggested Citation

Avery, C., and Smith, D., 2003, Flooding in Illinois, April-June 2002: U.S. Geological Survey Open-File Report 2002-487, iv, 20 p., https://doi.org/10.3133/ofr02487.

ISSN: 2331-1258 (online)

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title Flooding in Illinois, April-June 2002
Series title Open-File Report
Series number 2002-487
DOI 10.3133/ofr02487
Year Published 2003
Language English
Publisher U.S. Geological Survey
Description iv, 20 p.
Country United States
State Illinois
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