ONE OF 2023’S MOST EXTREME HEATWAVES IS HAPPENING IN THE MIDDLE OF WINTER

Temperatures in parts of Chile and northern Argentina have soared to 10°C-20°C above average over the last few weeks. Towns in the Andes mountains have reached 38°C or more, while Argentina’s capital, Buenos Aires, saw temperatures above 30°C – breaking its previous August record by more than 5°C. Temperatures peaked at 39°C in the town of Rivadavia.

Bear in mind it’s mid-winter in this part of the world. And it’s far south enough that seasonal variations have a substantial impact on temperatures. Buenos Aires, for instance, is as far south as Japan, Tibet or Tennessee are north.

In terms of deviation from temperatures you might expect at a certain place and time of year, this heatwave is comparable to, if not greater than, the recent heatwaves in southern Europe, the US and China.

In Vicuña, one of the towns in the Chilean Andes that recently reached 38°C, a typical August day might be 18°C or so – just imagine it being a whole 20°C warmer than normal wherever you are now.

No wonder some climate scientists have already suggested this could be one of the most extreme heatwaves on record.

-CLIMATE CHANGE NEWS

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