A severe storm accelerating to 100 km/h erodes the ice sheet in the Arctic

OSLO – Mystery lapisana is the lost sea after terrible storm the arctic rolling surprised scientists so much. In early 2022, the Arctic was hit by a powerful hurricane with winds reaching 100 km/h.

Between January 20 and 28, 2022, the storm overwhelmed Greenland and moved northeast towards the Barents Sea, with waves reaching heights of 8 meters. The waves hit the sea ice at the edge of the 2-metre-high chunks of permafrost, up and down.

While the largest waves swept 100 km towards the center of the iceberg. While weather models accurately predict the evolution of hurricanes, sea ice models do not predict how storms will affect ice thickness.

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Six days after the storm abated, sea ice in stricken waters off northern Norway and Russia had thinned by 0.5 meters, double the estimate. Researchers analyzed the storm in a study published Oct. 26 in the Journal of Geophysical Research: Atmospheres.

“The six-day sea ice loss is the largest change we’ve seen in observations since 1979. So, the area of ​​ice loss was 30 percent larger than the previous record,” said Ed Blanchard-Wrigglesworth, a scientist from the University of Washington in Seattle, quoted by SINDOnews from the Live Science page, Thursday (8/12/2022).

An Arctic cyclone is seen flying over the Arctic Ocean on July 28, 2020. Arctic cyclones can cause sea ice to melt rapidly. Photo/NASA

In a paper published in the journal Nature Communications in November 2022, a team of NASA scientists found that sea ice loss and warmer temperatures will lead to stronger Arctic storms by the end of the century. Those more intense storms can bring rainfall that can melt sea ice, causing warmer temperatures and churning up warmer water from below.

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“Going into the future, this is something to keep in mind, that these extreme events can result in very large episodes of sea ice loss,” Blanchard-Wrigglesworth said.

(wib)