2018 Arctic Sea Ice Winter Maximum: Trend of Record Lows Continues

Alex Wierbinski's picture

By Alex Wierbinski - Posted on 23 March 2018


2018 Arctic Sea Ice Winter Maximum

Trend of Record Lows Continues

Arctic Wintertime Sea Ice Extent Is Among Lowest On Record,
NASA, March 23, 2018.


"Sea ice in the Arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the four lowest maximum extents on record."

"...second lowest maximum on record, at about 23,200 square miles (60,000 square kilometers) larger than the record low maximum reached on March 7, 2017."

"...continued the decades-long trend of diminishing sea ice in the Arctic. This year’s maximum extent was 448,000 square miles (1.16 million square kilometers) — an area larger than Texas and California combined – below the 1981 to 2010 average maximum extent."

"The Arctic has gone through repeated warm episodes this winter, with temperatures climbing more than 40 degrees above average in some regions. The North Pole even experienced temperatures above the freezing point for a few days in February."

"In February, a large area of open water appeared in the sea ice cover north of Greenland, within the multiyear ice pack — the Arctic’s oldest and thickest ice. Most of the opening has refrozen but the new ice is expected to be thinner and more fragile, and a new opening might appear during the melt season."


Melting permafrost, Winter heat waves at the North Pole, Arctic Vortex instablity and splitting are all signs of a dissappearing ecosystem.


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2018 arctic sea ice winter maxium trend of record lows continues


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