Summer rainfall increasing over parts of the U.S.
December 30, 2024
Summer rainfall is becoming more common and intense over parts of the U.S., according to a new study published in the journal Geophysical Research Letters.
The study, which was funded by the National Science Foundation (NSF), found that summer rainfall has increased by an average of 10% over the past 50 years in the central and eastern U.S. The increase has been particularly pronounced in the Midwest, where rainfall has increased by more than 20%.
The study’s authors say that the increase in summer rainfall is due to a number of factors, including rising temperatures and changes in the jet stream. As temperatures rise, the atmosphere can hold more water vapor, which can lead to more rainfall. Changes in the jet stream can also lead to more rainfall by steering storms toward the U.S.
The increase in summer rainfall is likely to have a number of impacts, both positive and negative. On the positive side, more rainfall can help to reduce drought and improve crop yields. On the negative side, more rainfall can lead to more flooding and other extreme weather events.
“This increase in summer rainfall is a significant trend that we need to be aware of and prepare for,” said study co-author Dr. James Done of the University of Illinois at Urbana-Champaign. “It’s likely to have a number of impacts on our water resources, agriculture, and infrastructure.”
The study’s findings are consistent with other recent research that has found that extreme weather events are becoming more common and intense due to climate change. This trend is expected to continue in the future, as temperatures continue to rise.
Additional information:
- The study was published in the December 30, 2024 issue of Geophysical Research Letters.
- The study’s authors are Dr. James Done of the University of Illinois at Urbana-Champaign and Dr. Kevin Trenberth of the National Center for Atmospheric Research.
- The study was funded by the National Science Foundation.
Summer rainfall increasing over parts of the U.S.
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