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Monthly precipitation totals over most of the Arctic Basin average about 15 mm (0.59 in) from November through May, and rise to 20 to 30 mm (0.79 to 1.18 in) in July, August, and September. [6] The dry winters result from the low frequency of cyclones in the region during that time, and the region's distance from warm open water that could ...
A winter storm will drop snow from Houston, Texas to New Orleans, Louisiana as an arctic air mass extends a historically cold January. Snow, sleet and freezing rain are set to fall across parts of ...
Over 175 million people across the country are under some form of cold weather alert as the mid-Atlantic and Northeast ready for another round of rain and snow and southern states brace for frigid ...
Parts of all states in the Lower 48 woke up to subfreezing temperatures Tuesday due to a weather pattern that will keep arctic air in place across the eastern half of the country at least until ...
Over the contiguous United States, total annual precipitation increased at an average rate of 6.1 percent per century since 1900, with the greatest increases within the East North Central climate region (11.6 percent per century) and the South (11.1 percent). Hawaii was the only region to show a decrease (−9.25 percent). [89]
Rainfall in these regions averages between 300 and 600 millimeters (11.8 and 23.6 in) per year, with lower amounts across Baja California Norte. Average rainfall totals are between 600 and 1,000 millimeters (23.6 and 39.4 in) in most of the major populated areas of the southern altiplano, including Mexico City and Guadalajara.
In seven to 14 days, a blast of arctic air will wash over the eastern half of the United States, forecasters say. There is a “pretty good chance” the vortex will bring with it “significant ...
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 ...