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GL / Climate / Location
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Last updated in September, 2000

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The Great Lakes are located halfway between the equator and the North Pole. This is the most important locational control of climate. The Lakes' middle latitude location insures large seasonal differences in the amount of energy received from the sun.
    The Lakes' location near the center of the North American continent complements the latitudinal control by minimizing the tempering effects of the oceans. This means that the Great Lakes basin respond quickly to increasing amounts of solar energy in the spring and warms up rather quickly. 
     Location also determines the major source of moisture for the area, which is the Gulf of Mexico. The eastern portion of the Great Lakes is more easily accessible to moisture bearing winds from the Gulf. Consequently, precipitation totals are larger and more evenly distributed there than in the west. 
(From The Great Lake Erie. Chap. 4. The Effect of Lake Erie on Climate)
 
1. What factors related to location impact climate in the Great Lakes?
2. If the Great Lakes were located near equator, how do the climate of the Great Lakes change through the seasons? 
 
1. EP-079 The Great Lake Erie
2. EP-083 Earth Systems - Education Activities for Great Lakes Schools (ES-EAGLS): Climate and Water Movement
3. EP-081 The Great Lakes Solution Seeker
 
1. The Great Lake Erie
  •  4. The Effect of Lake Erie on Climate
2. Earth Systems - Education Activities for Great Lakes Schools (ES-EAGLS)

Climate and Water Movement

  •  How do the Great Lakes affect temperature?
  •  How is weather influenced by the Great Lakes?
  •  What factors impact ice coverage on the Great Lakes?
  • How do the Great Lakes change through the seasons?

3. Great Lakes Instructional Materials for the Changing Earth System

  • Is the globe warming? Is there evidence in the Great Lakes region?
  • How is the precipitation of the Great Lakes Basin related to lake level change?
  • What extremes of climate characterize the Great Lakes region?
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pi1.jpg (82861 bytes) pi2.jpg (59161 bytes)

Great Lakes Marine Zone Forecasts by the Cleveland, OH Forecast Office (source: Coastal Marine Forecasts by Zone)

 
1. National Warnings Area (by NOAA)
http://iwin.nws.noaa.gov/iwin/nationalwarnings.html

2. Climate Summaries for the Midwest (11 states)
http://mcc.sws.uiuc.edu/Summary/

3. Weekly Weather
http://www.usda.gov/agency/oce/waob/jawf/wwcb.html

4. NOAA national weather service
http://www.nws.noaa.gov/

3. National Weather Service: Office of Meteorology
http://www.nws.noaa.gov/om/


Copyright 1999. Ohio Sea Grant College Program and Earth Systems Education Program of The Ohio State University

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