Posted on: June 30, 2019 Posted by: alt Comments: 0

Great lakes lie in the continental climate. They get 800 mm of raindrops per year. Air temperatures are negative in January and February (-4 ° C), and positive in other months. Mean July temperatures reach 24 ° C. Such thermal conditions determine the temperature balance of lake water. It rarely gets warmed up to 20 ° C, but is therefore frozen during the winter. Ice cover appears in mid-December and keeps all the way through March. The sudden high temperatures of air (and water) during the summer result from the penetration of warm air masses from the USA’s foreheads. It’s under the influence of Canadian Arctic winter half of the year. Great American lakes influence on weather-climatic conditions in their immediate surroundings. In winter, lakes are mostly not frozen in the middle.

Air masses that come from the west, but warm air and moisture from the surface of the lake. Warm moist air passes along the cooler surface of the land, and moisture then creates precipitation in the form of snow. This is similar to the effect of snowfall, when warmer air passes over the mountains. During cold weather, this snowy belt receives the usual amount of snow, especially along the east coast. Lakes also modify the annual temperatures for which degree they absorb heat and cool the air for years, then slowly heat the air in autumn. Lakes are protected from ice during changing weather conditions, but also retain summer temperatures lower than the surrounding land.

On the east coast of Lake Michigan, and on the north coast of Lake Iri there are numerous vineyards. Large lakes are helping to strengthen the storm, such as the Hazel Hurricane in 1954 and the frontal storm in 2007 when several tornadoes in Michigan and Ontario were triggered. These storms absorbed the heat of the lake that fed them. Also, in 1996, a rare subtropical cyclone was formed over Lake Hyuron.

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