Recent Trends of Heavy Precipitation in the Great Lakes

Recent Trends of Heavy Precipitation in the Great Lakes

Heavy precipitation events can have important impacts on communities throughout the year. Intense cold-season snowstorms and warm-season extreme flooding events, for example, regularly result in high social and economic losses. Heavy precipitation events in the Great Lakes region are caused by both large-scale weather systems (such as cyclones) and local storms induced by the lakes themselves (such as lake-effect snows). Long-term variations in these factors, including possible variations due to climate change, can result in large changes in the occurrence of heavy precipitation. This webinar will provide information about:

  • Vulnerabilities in the Great Lakes region to changes in warm- and cold-season precipitation extremes
  • How the frequency of heavy precipitation events in the Great Lakes have changed over the last century
  • A recent reversal in the long-term trends of lake-effect snows near Lake Michigan
  • How heavy precipitation events could change with a changing climate

About the Speaker(s)

Dave Kristovich

Dave Kristovich

Dave Kristovich is Head of the Center for Atmospheric Sciences in the Illinois State Water Survey (part of the Prairie Research Institute), an Adjunct Associate Professor in the Dept. of Atmospheric Sciences at the University of Illinois, and Editor of the Journal of Applied Meteorology and Climatology. Much of his research focuses on how the atmospheric boundary layer (lowest ~ km) and mesoscale circulations (storm-scale up to the size of the lakes) respond to the dramatically-varied surface in the Great Lakes region.

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  • “ Here in Minnesota we're using the webinars to provide current research updates. The information is pertinent and timely and by using the OSU webinars for content, we can spend time working on other aspects of climate adaptation. – B. Liukkonen, U of MN Extension

  • “ This is one of the most useful and accessible resources in the Great Lakes basin. Consider it a cornerstone of a growing network of climate professionals in this region. ”

  • “ Thank you, OSU, for providing such a useful tool! Keep’em coming! ”

  • “ Thanks for these webinars. A great resource. ”

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