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Breaking the first freeze in attenuation. The first massive frost from Canada swept into the central United States and part of the southern United States at the beginning of the week, breaking through Even Texas. States like North Dakota and Minnesota experienced very cold temperatures on Tuesday, with peaks of -32 °C. The climate turned out to be much harsher on the icy Canadian lands, so much so that in states like Quebec The plume dropped to -45°C between the end of last week and the beginning of the week. In Iowa on Tuesday it reached -26°C, -25°C in Illinois, -13°C in Texas over 800 metres. It was the first glacial eruption that has now moved into the Great Lakes region, reducing its intensity, waiting for a new, more massive eruption that will make its way from Friday.
The new and more powerful ice wave from Friday. This will target, in addition to eastern Canada, the northeastern United States as well. The latest model projections also confirm that, at an altitude of about 1,500 metres, isotherms are in the range of -30/-35°C on the northern shores of the Great Lakes, above -35°C in upstate New York, Down to -40°C over Maine, Vermont and New Hampshire, as well as of course the Canadian states of Ontario, Quebec, New Brunswick and New Scotland. Out of curiosity, we point out that the temperature of -40 ° C at 1500 meters will reach the latitude of the Alps, even if North America is climatically different from Europe and at the same latitude the winter is definitely harsher.
expected temperatures. Everything will translate into temperatures dropping between Friday and Saturday to -15C in New York, -31C in Quebec, -30C in Ottawa and -31C in Montreal, but with Peaks to -45°C and beyond are outside large urban centres. In the far northeastern United States, values of up to -30 ° C will be recorded on Saturday morning in Montpelier, the capital of Vermont, and in Augusta, the capital of Maine, and -28 ° C in Concord, the capital of New Hampshire. Crossing the border into Canada, it is expected to drop to -30°C in Fredericton in New Brunswick, -26°C in Halifax, New Scotland.
perceived temperatures. The avalanche will also be accompanied by a sustained northwesterly vent with gusts of up to 60-70 km/h which will only exacerbate the sleet sensation with I felt temperatures as low as -44°C in Montreal, -39 ° C in Ottawa, -23 ° C in New York. To complete the picture, there will be real blizzards on the Great Lakes.
From Sunday in weakness. Towards the end of the week, the icy air mass will flow eastward and gradually leave the northeastern United States and Canada, where temperatures will begin to rise again, albeit remaining flat. In states like New York and Pennsylvania, daytime values will return above zero, It will swing around zero over the far Northeast (Maine, Vermont and New Hampshire), No more than zero over eastern Canada.
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