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Temperature departures from normal are shown over Antarctica on August 1, 2024. Reds indicate warmer than normal conditions while blues indicate cooler than normal conditions.
The current is circumpolar due to the lack of any landmass connecting with Antarctica and this keeps warm ocean waters away from Antarctica, enabling that continent to maintain its huge ice sheet. Associated with the Circumpolar Current is the Antarctic Convergence , where the cold Antarctic waters meet the warmer waters of the subantarctic ...
The temperature in the ocean's upper layer in West Antarctica has warmed by 1 °C (1.8 °F) since 1955, and the Antarctic Circumpolar Current (ACC) is also warming faster than the average. [3] It is also a highly important carbon sink.
The highest temperature ever recorded on Antarctica was 19.8 °C (67.6 °F) recorded at Signy Research Station, Signy Island on 30 January 1982. [2] [3]The highest temperature on the Antarctic mainland was 18.3 °C (64.9 °F) at the Esperanza Base (Argentina) on 6 February 2020.
Temperatures at the Concordia Research Station, a French-Italian station on the Antarctic Plateau, reached 10 degrees — or about 70 degrees warmer than average.
While colder temperatures have been recorded at Vostok Station, Antarctica (minus 128.6 degrees on July 21, 1983) and Klink Station, Greenland (minus 93.3 degrees on Dec. 22, 1991), Oymyakon's ...
The 2024 Antarctica heat wave refers to a prolonged and significant mid-winter increase in Antarctic temperatures compared to prior winters, causing several regions of Antarctica to reach temperatures 10 °C (18.0 °F) above normal in July 2024, up to a 28 °C (50.4 °F) increase above average. The heat wave was significant for occurring during ...
With detailed weather station and satellite data dating back only about 40 years, scientists wondered whether these events meant Antarctica had reached a tipping point, or a point of accelerated ...