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Nearly all of Antarctica is covered by a sheet of ice that is, on average, at least 1,500 m (5,000 ft) thick. Antarctica contains 90% of the world's ice and more than 70% of its fresh water. If all the land-ice covering Antarctica were to melt—around 30 × 10 ^ 6 km 3 (7.2 × 10 ^ 6 cu mi) of ice—the seas would rise by over 60 m (200 ft). [22]
Also on June 5, 1968, Plateau station had -123.0 °F (-86.1 °C). The maximum temperature on July 20, 1968 was −80 °C (−112 °F). The average temperature of the cold season (from April to October) is about −70 °C (−94 °F), while the average temperature of the warm season (from November to March) is about −40 °C (−40 °F).
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 ...
The maximum recorded at Concordia on 17 March was -16.9 °C Pending the final data, in Vostok the value of -20.3 °C set the new monthly record but also exceeds the maximum of February (-22.2 °C ...
A record-breaking heat wave unfolding at what should be the coldest time in Earth’s coldest place has scientists concerned about what it could mean for the future health of the Antarctic ...
After the climate optimum, a distinct climate cooling, which lasted until historic times, occurred. [26] [27] [30] [31] The Antarctic Peninsula is a part of the world that is experiencing extraordinary warming. [32] Each decade for the last five, average temperatures in the Antarctic Peninsula have risen by 0.5 °C (0.90 °F). [33]
According to the World Meteorological Organization in Geneva, the new record high temperature on continental Antarctica is a downright pleasant 63.5 degrees Fahrenheit (17.5 degrees Celsius).
The highest temperature ever recorded at McMurdo was 10.8 °C on December 21, 1987. There is enough snowmelt in summer that a few species of moss and lichen can grow. The average yearly temperature is freezing, but it can get as high as 8°C (46°F) in the austral summer and as low as -50°C (-58°F) in the austral winter.