The first detailed research on Wisconsin's climate is forecasting a jump in average annual temperatures of 4 to 9 degrees Fahrenheit by midcentury, which could push humans and nature to adapt to weather conditions that at times resemble Missouri today. The findings are unique for climate research in Wisconsin because researchers are making predictions about the future on a local scale.
Climate scientists at the University of Wisconsin-Madison said Monday that warming will be greatest in northern Wisconsin, with the smallest changes taking place in the south along Lake Michigan. Winters are expected to be warmer and summers are forecast to change the least.
Still, the researchers found that the number of days where high temperatures exceed 90 degrees could double to 25 each year in southern Wisconsin between 1980 and 2055; it could triple for the same period to 12 times a year in northern Wisconsin.
The UW study was led by Dan Vimont, an assistant professor of atmospheric and oceanic sciences, and Chris Kucharik, an assistant professor of agronomy and environmental sciences. The research suggests profound changes in the decades to come. But rather than targeting policy-makers, the findings will go to an organization that was formed in 2007 whose members include UW, the Department of Natural Resources and other agencies, and business groups.
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