'Astonishing' Antarctica heat wave sends temperatures 50 degrees above normal [View all]

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Source: cnn Climate

Published 2:00 PM EDT, Sat August 3, 2024


CNN — 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 continent, and the consequences it could inflict for millions of people across the globe.

Temperatures since mid-July have climbed up to 50 degrees Fahrenheit above normal over parts of Antarctica and unseasonable warmth could continue through the first half of August.

The latest data shows high temperatures in portions of East Antarctica – where the most abnormal conditions are ongoing – that are typically between minus 58 and minus 76 degrees Fahrenheit are now closer to minus 13 to minus 22 degrees Fahrenheit. That’s cold, but Bismarck, North Dakota, has reached minus 20 degrees at least once a year in almost every year since 1875. Antarctica’s typical winter cold should be operating at a level unfathomable to most people in the US.

Summerlike heat in the dead of winter – even if much of the continent is still below freezing – is an alarming development for a place more capable than any other of generating catastrophic sea level rise as fossil fuel pollution continues to drive global temperatures upward.

Read more: https://www.cnn.com/2024/08/03/climate/antarctica-heat-wave-sea-level-rise/index.html