Extreme Rains In Midwest Have Doubled


rain 300x270 Extreme Rains In Midwest Have Doubled A Report Details Major Storm/Flooding Trends in Midwest Illustrates Growing Concerns About Climate Link Between Big Storms and Flooding. The kind of deluges that in recent years washed out Cedar Rapids, IA, forced the Army Corps of Engineers to intentionally blow up levees to save Cairo, IL, and sent the Missouri River over its banks for hundreds of miles are part of a growing trend, according to a new report released today by the Rocky Mountain Climate Organization (RMCO) and the Natural Resources Defense Council (NRDC). Big storms, leading to big floods, are occurring with increasing frequency in the Midwest, with incidences of the most severe downpours doubling over the last half century, the report finds.

Stephen Saunders, the president of the Rocky Mountain Climate Organization and the report’s lead author, said:  “Global studies already show that human-caused climate change is driving more extreme precipitation, and now we’ve documented how great the increase has been in the Midwest and linked the extreme storms to flooding in the region. A threshold may already have been crossed, so that major floods in the Midwest perhaps now should no longer be considered purely natural disasters but instead mixed natural/unnatural disasters. And if emissions keep going up, the forecast is for more extreme storms in the region.”

In addition to region-wide trends, the report presents trends in the eight Midwestern states. For the worst storms (three inches or more of rain in 24 hours) from 1961-2011, the report outlines the following state-level trends:  Indiana (+160 percent); Wisconsin (+203 percent); Missouri (+81 percent); Michigan (+180 percent); Minnesota (+104 percent); Illinois (+83 percent); Ohio (+40 percent); and Iowa (+32 percent). The full report

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