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High Streamflow is Increasing, Raising Flood Risks

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High Streamflow is Increasing, Raising Flood Risks

The frequency of high streamflows has risen over the past 30 years in the Northeast, Ohio Valley, and the Mississippi Valley.

Here’s Where Heavy Rain is Increasing the Most in U.S.

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Here’s Where Heavy Rain is Increasing the Most in U.S.

A new Climate Central analysis shows an upward trend in the number of heavy precipitation events in the vast majority of the Lower 48 states since 1950.

More Water Flowing in California This Year

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More Water Flowing in California This Year

More water is flowing this year in California from frequent storms and melting snowpack.

Western Snowpack Up, But Less Likely in the Future

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Western Snowpack Up, But Less Likely in the Future

Western snowpack at the end of the the wet season is up this year — but that's less likely in the future.

A Decade of Coastal Flood Days

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A Decade of Coastal Flood Days

Sea level rise is causing more coastal flooding in the U.S. See how many floods have a human fingerprint in these cities.

Atlantic Coastal Flood Days

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Atlantic Coastal Flood Days

See where climate change is affecting U.S. coastal flooding the most.

Heavy Downpours Causing More Sewage Overflows

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Heavy Downpours Causing More Sewage Overflows

Increases in heavy precipitation will threaten to worsen incidents of sewage overflows, especially in cities with aging sewage infrastructure.

Report Shows Inland Flooding to Increase in the U.S.

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Report Shows Inland Flooding to Increase in the U.S.

Our report examined intensity and duration of the heaviest runoff events for each state.