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 Bible College High School (formerly Great Lakes Christian College), a residential high school provided post-secondary Bible education (the Bible department in 1952 and 1959; the Faculty of Bible and Missions formed in 1969 and renamed in 1975 as the School of Bible and Missions). GLBC is chartered as a degree-granting institution by the Government of Ontario under the Great Lakes Bible College Act, 1987. In 1996, classes were moved from Beamsville, Ontario to Waterloo, Ontario. The mission is to promote knowledge, understanding, and practice in the Christian faith by equipping Christians and churches for service in the Kingdom of God. Great Lakes