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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
Some parts of the Arctic are covered by ice (sea ice, glacial ice, or snow) year-round, especially at the most poleward parts; and nearly all parts of the Arctic experience long periods with some form of ice or snow on the surface. Average January temperatures range from about −40 to 0 °C (−40 to 32 °F), and winter temperatures can drop ...
The National Weather Service has issued a lake effect snow warning for portions of northwestern Pennsylvania and western New York, where locally 2 feet to 3 feet of snow is possible, forecasts show.
The most potent blast will enter the north-central U.S. on Friday, the National Weather Service warned, before roaring across much of the rest of the nation over the weekend. Arctic air will ...
"The Arctic air coming through Jan. 15th can be the coldest of the winter so far," Anderson said. "This batch of Arctic air will have a vast zone for fresh snow cover to work with and a direct ...
Visualization of the ice and snow covering Earth's northern and southern polar regions Northern Hemisphere permafrost (permanently frozen ground) in purple. The polar regions, also called the frigid zones or polar zones, of Earth are Earth's polar ice caps, the regions of the planet that surround its geographical poles (the North and South Poles), lying within the polar circles.
(MAPS: 10-Day U.S. Forecast Highs/Lows) How frigid will the northern tier become: Typical of January, we expect some subzero lows in the usual frigid parts of the Dakotas and Minnesota.
Eureka was founded on April 7, 1947, as part of an initiative to set up a network of Arctic weather stations. [10] On this date, 100 t (98 long tons; 110 short tons) of supplies were airlifted to a promising spot on Ellesmere Island, and five prefabricated Jamesway huts were constructed. Regular weather observations began on January 1, 1948.