Floods caused more property damage and fatalities than any other natural disaster in the United States in the twentieth century. The outlook for the next century does not look any better -- either inland or along the coasts. For example, downpours are expected to become more frequent and in many areas, winter precipitation is increasingly likely to fall as rain than as snow.
At the coasts, warmer ocean waters will bring stronger storms pummeling our coastlines. Combining that with rising sea levels means more potent storm surges.
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