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According to the National Weather Service, a powerful Arctic cold front will sweep the northeastern U.S. Thursday. "Expect brief, intense bursts of heavy snowfall and gusty winds. Dangerous travel ...
A map of the Arctic. The red line is the 10 °C isotherm in July, commonly used to define the Arctic region; also shown is the Arctic Circle. The white area shows the average minimum extent of sea ice in summer as of 1975. [1] The climate of the Arctic is characterized by long, cold winters
The first arctic outbreak of the season is allowing temperatures to plunge across the eastern half of the country, creating "dangerously cold" wind chills of 15-30 degrees below zero in the ...
In winter, this relatively warm water, even though covered by the polar ice pack, keeps the North Pole from being the coldest place in the Northern Hemisphere, and it is also part of the reason that Antarctica is so much colder than the Arctic. In summer, the presence of the nearby water keeps coastal areas from warming as much as they might ...
This occurs when the Arctic oscillation is positive, and during winter low pressure near the poles is stronger than it would be during the summer. When it is negative and pressures are higher over the poles, the flow is more meridional, blowing from the direction of the pole towards the Equator, which brings cold air into the mid-latitudes. [6]
Shockingly cold air funneled directly from the Arctic will be making an unwelcome appearance across nearly the entire eastern half of the country this weekend and into early next week, forecasters ...
"This cold air should go a long way in helping to increase ice concentrations, at least on Lake Superior," noted Benz. For some, mainly in the northern Rockies, the cold should gradually loosen ...
Relationship of Earth's axial tilt (ε) to the tropical and polar circles. The Arctic Circle is the southernmost latitude in the Northern Hemisphere at which the centre of the Sun can remain continuously above or below the horizon for twenty-four hours; as a result, at least once each year at any location within the Arctic Circle the centre of the Sun is visible at local midnight, and at least ...