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Due to climate change in the Arctic, this polar region is expected to become "profoundly different" by 2050. [1]: 2321 The speed of change is "among the highest in the world", [1]: 2321 with the rate of warming being 3-4 times faster than the global average.
Arctic cold is forecast to surge through much of the Lower 48 starting later this week into next week. Bitterly cold wind chills are possible over many areas. See our Key Messages below.
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 ...
There are several reasons to expect that climate changes, from whatever cause, may be enhanced in the Arctic, relative to the mid-latitudes and tropics. First is the ice-albedo feedback, whereby an initial warming causes snow and ice to melt, exposing darker surfaces that absorb more sunlight, leading to more warming.
The season's most drastic drop in temperatures has now engulfed the central and eastern states with dangerous wind chills and the arctic air could even topple some record lows. ... forecast wind ...
"Cold arctic air gripped western Europe in the first three weeks of December. Two major snowstorms, icy conditions, and frigid temperatures wreaked havoc across much of the region...The harsh winter weather was attributed to a negative Arctic Oscillation, which is a climate pattern that influences weather in the Northern Hemisphere.
Researchers say the tundra’s changes are driven by thawing permafrost and emissions from wildfires
Climate change can also be used more broadly to include changes to the climate that have happened throughout Earth's history. [32] Global warming—used as early as 1975 [33] —became the more popular term after NASA climate scientist James Hansen used it in his 1988 testimony in the U.S. Senate. [34] Since the 2000s, climate change has ...