South America sweats under high temps -- in the middle of winter / Photo: MARTIN BERNETTI - AFP
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South America sweats under high temps -- in the middle of winter
Far away from the extreme summer temperatures of the northern hemisphere, Southern Cone countries such as Chile and Argentina are also experiencing record heat, but in the middle of what is supposed to be their winter.
On Tuesday, the mountain town of Vicuna in central Chile hit 37 degrees Celsius (almost 99 degrees Fahrenheit).
"It's been more than 70 years since a temperature like this was recorded" in Vicuna, Chilean meteorologist Cristobal Torres told AFP.
Unusually high temperatures were also recorded 450 kilometers (280 miles) south in the capital Santiago: 24C (75F) on Wednesday, with similar levels forecast for Thursday and Friday.
Meanwhile in Buenos Aires, the temperature exceeded 30C (86F) on Tuesday, making it the highest August 1 temperature since record-keeping began, according to Argentina's National Meteorological Service. The average August temperature in Buenos Aires is usually between 18C (64F) and 9C (48F).
Several cities across Uruguay also recorded temperatures of 30C (86F) on Wednesday.
"What we are experiencing is the combination of two phenomena: a global warming trend due to climate change plus the El Nino phenomenon," said Chile's Environment Minister Maisa Rojas, a climatologist.
"When El Nino ends, the global weather situation should stop being so extreme," she said.
An El Nino event is characterized by increased Pacific Ocean temperatures, causing rainfall, floods and avalanches in western South America, as well as heat waves.
Santiago, Buenos Aires and Montevideo are expected to return to normal temperatures in the coming days, but it is believed that similar heat waves will occur with increasing frequency.
"It is very likely that the heat record will be broken this year (in Santiago), and that is extraordinarily abnormal. Ten years ago we had two heat waves a year and now we are talking about nine," explained University of Santiago climatologist Raul Cordero.
One of the most significant impacts of the warm weather is on snowpacks in the mountains, which are vital for the water supply in Chile's capital.
"Winter heat waves have devastating effects on glaciers and snow," Cordero said.
Rojas also warned about the effects of heat at the poles.
"The ice around the polar areas is at minimum levels," she said on X, formerly known as Twitter.
"Especially around Antarctica, where at this time of year sea ice grows to reach a maximum in September, it is at a historic minimum."
P.M.Smith--AMWN
