Climate ‘mysteries’ still puzzle scientists, despite progress | Malay Mail

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PARIS, July 23 — What worries one of the world’s leading climate scientists the most?  Heatwaves — and particularly the tendency of current models to underestimate the intensity of these bursts of deadly, searing temperature.  This is one of the “major mysteries” science still...

PARIS, July 23 — What worries one of the world’s leading climate scientists the most?

“Today we have better climate projection models, and longer observations with a much clearer signal of climate change,” said Vautard, one of the authors of an upcoming assessment by the United Nations’ panel of climate experts. The assessment, the first part of a trio of reports from the Intergovernmental Panel on Climate Change , will be released on August 9 at the end of meetings starting Monday.

In almost real time, researchers can pinpoint the role of climate change in a given disaster, something they were unable to do at all until very recently. But it is “phenomenal temperatures”, like those recorded in June in Canada or in Europe in 2019, that preoccupy the climatologist. Climate models have come a long way, even since 2014, but there is still room for improvement to reduce these uncertainties.

That would give researchers a much better understanding of “small scale” events, like tornadoes, hail or storm systems that bring intense rain like those seen in parts of the Mediterranean in 2020.Perhaps one of the most ominous climate concepts to have become better understood in recent years is that of “tipping points”.

 

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