Why was the great 1993 flood not a flash flood?
Only minor flooding occurred below Cairo due to the Lower Mississippi’s larger channel below that point, as well as drought conditions in the eastern U.S. If the Ohio River watershed had not been in drought while the Missouri and Upper Mississippi were in flood, the 1993 flood might have rivaled the 1927 flood in …
What was the cause of the 1993 Mississippi flood?
Significant rainfall in June and July in the Upper Midwest, combined with wet soil conditions, was the cause of severe flooding in the Upper Mississippi River basin. The flow from these rivers combined with already near-record flows on the Mississippi River to push the stage at St.
Why was the 1993 flood unusual?
The Great Midwest Flood of 1993 was unique not only because of the record high water levels and flows and the wide areal extent, but also because of the long duration of flooding. Many rivers were above flood stage for several months.
Was the Great Flood of 1993 a flash flood?
Intense thunderstorms during this time dumped a plethora of rain that not only caused rivers to swell but also triggered severe flash flooding. 1, 1993, nearly 20 feet above the flood stage threshold. This was one of 92 water gauges to record an all-time record crest during the Great Flood of 1993.
What was the biggest flood in US history?
Mississippi River flood of 1927, also called Great Flood of 1927, flooding of the lower Mississippi River valley in April 1927, one of the worst natural disasters in the history of the United States.
What states were affected by the 1993 flood?
The Great Flood of 1993 occurred from May through September along the Mississippi and Missouri Rivers and their tributaries. Major flooding occurred across North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Wisconsin, and Illinois resulting in over 50 deaths and billions of dollars in damages.
What state has most floods?
1: Louisiana: A Red State Defined by Its History of Flooding The state with the highest percentage of land at risk of flooding, Louisiana was the site of one of the most devastating storms in American history, Hurricane Katrina.
What was the biggest flood?
What was the flood level of the Mississippi River in 1993?
The 1993 flood broke record river levels set during the 1973 Mississippi and the 1951 Missouri River floods. Over 1,000 flood warnings and statements, five times the normal, were issued to notify the public and need-to-know officials of river levels.
Where was the Raccoon River flood in 1993?
No abstract available. Water-surface-elevation profiles and peak discharges for the flood of July 9-11, 1993, in the Raccoon River Basin, west-central Iowa, are presented in this report.
How did the Great Flood of 1993 affect the environment?
Because sediments deposited by the 1993 floods on the Missouri and Mississippi rivers were thought to contain elevated concentrations of nutrients and trace elements, sediment deposits were sampled at 25 floodplain locations. The samples were analyzed for particle size, water content, volatile solids, nutrients, carbon, selected trace elements,…
Where was the Great Flood of 1993 in Iowa?
The profiles illustrate the 1993 flood along the Raccoon, North Raccoon, South Raccoon, and Middle Raccoon Rivers and along Brushy and Storm Creeks in the west-central Iowa counties of…