Although models accurately predicted the evolution of the Arctic storm, scientists were surprised to see just how much sea ice thickness decreased in the storm's aftermath.
Early in 2022, the Arctic experienced its strongest cyclone on record, with wind speeds reaching 62 mph . Although storms aren't rare in the Arctic, this one led to an extensive loss of sea ice that surprised Arctic researchers.
Six days after the storm dissipated, the sea ice in the affected waters north of Norway and Russia had thinned 1.5 feet — twice as much as what sea ice models had predicted. Researchers analyzed the storm in a study published Oct. 26 in the Journal of Geophysical Research: Atmospheres .
The paper authors offered a few ideas for why the sea ice thinned so much, so fast. It could have been that their models had wrongly estimated the sea ice thickness before the storm. Or perhaps the storm's violent waves broke up the sea ice more than anticipated. It could also be that the waves churned up deeper, warmer water, which then rose to melt the sea ice pack from the bottom.
related stories—Most of the Arctic's 'baby sea ice' melts before it leaves the nursery. And that's a problem.—6 mysterious structures hidden beneath the Greenland ice sheet
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