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Polar vortex

Record-breaking winter winds have blown old Arctic sea ice into the melt zone

Old Arctic sea ice blown into melt zone by winter winds

07 August 2021, 04:41 IST

Arctic air sends temperatures below zero in midwest US

Arctic air sends temperatures below zero in midwest US

31 January 2019, 05:47 IST

US Midwest braces for dangerous arctic chill

US Midwest braces for dangerous arctic chill

30 January 2019, 07:04 IST