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Prepared by the U.S. Geological Survey in Lawrence, Kansas

U.S. Geological Survey
Scientific Investigations Report 2005-5194

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Summary of Significant Floods in the United States and Puerto Rico, 1994 Through 1998 Water Years

By C.A. Perry

Abstract

This volume is a compilation of significant floods that occurred at streamgages throughout the United States and Puerto Rico from October 1, 1993, through September 30, 1998. A significant flood in this report refers to a peak-flow discharge (instantaneous or time averaged) that is in the top 5 percent of all the annual peak flows recorded at streamgages during their total period of record. Most of these floods are approximately equal to or greater than the 20-year recurrence interval flood (0.05 probability of occurrence in any 1 year) for that streamgage.

A summary of the most devastating floods according to number of lives lost and amount of damage is provided for each water year from 1994 through 1998. Significant interstate floods also are described. For each year, national maps are provided showing percentage of streamgages in each State recording the significant floods and standardized deviations from long-term (1950–95) mean precipitation.

Compilations arranged by State for each of the 50 United States and Puerto Rico also are presented. Each State compilation includes: (1) State maps to locate the streamgages recording significant floods and (2) tables of data that allow the reader to compare each significant flood during water years 1994 through 1998 with the maximum flood for the entire period of record at each streamgage.


Contents

Glossary

Abstract

Introduction

Previous Flood Summary Reports

Determination of Flood Stages and Discharges

Explanation of Data

References

Summary of Floods by Water Year

1994

1995

1996

1997

1998

Significant Floods by State or Territory

Alabama

Alaska

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

Florida

Georgia

Hawaii

Idaho

Illinois

Indiana

Iowa

Kansas

Kentucky

Louisiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire.

New Jersey.

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Puerto Rico

Rhode Island

South Carolina

South Dakota

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

Index

Perry, C.A., 2005, Summary of significant floods in the United States and Puerto Rico, 1994 through 1998 water years: U.S. Geological Survey Scientific Investigations Report 2005–5194, 327 p.


Report Availability

Printed reports also are available for a nominal fee from:

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Denver, CO 80225
Phone: 1-888-ASK-USGS

NOTE: When ordering the report, please supply the report title and number, your name, and your mailing address. Thank you.

For more information about USGS water resources studies in Kansas, visit the USGS Kansas Water Science Center home page: http://ks.water.usgs.gov



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