Great Lakes Mesoscale convective complexs or MCCs can cause damage to wide swaths of forest and shatter glass in city buildings. These storms mainly occur during the night, and the systems sometimes have small embedded tornadoes, but more often straight-line winds accompanied by intense lightning. Historically, the Great Lakes, in addition to their lake ecology, were surrounded by various forest ecoregions (except in a relatively small area of southeast Lake Michigan where savanna or prairie occasionally intruded). Logging, urbanization, and agriculture uses have changed that relationship. In the early 21st century, Lake Superior's shores are 91% forested, Lake Huron 68%, Lake Ontario
Great Lakes Junior C Hockey League Leamington awarded 1972-73 regular season title over Windsor Royals due to winning head-to-head record." National Hockey League Great Lakes Junior C Hockey League The Great Lakes Junior C Hockey League was a Junior "C" ice hockey league in Ontario, Canada, sanctioned by the Ontario Hockey Association. The champion of the Great Lakes competed for the All-Ontario Championship and the Clarence Schmalz Cup. It is now a division in the Provincial Junior Hockey League. The league got its start as the Border Cities Junior Hockey League in 1968. It became a Junior B and C league under the Great Lakes name