Met Office: Climate change making heatwaves more intense

https://www.metoffice.gov.uk/about-us/press-office/news/weather-and-climate/2022/southern-asian-heatwave-attribution-study-2022

A Met Office attribution study, produced this week, has estimated the chances of exceeding the record-breaking temperature witnessed in April and May in 2010 – which saw the highest combined average April and May temperature since 1900.

The study shows that the natural probability of a heatwave exceeding the average temperature in 2010 is once in 312 years. In the current climate – accounting for climate change – the probabilities increase to once in every 3.1 years. And by the end of the century, the study – incorporating climate change projections – shows this will increase to once every 1.15 years.

Dr Nikos Christidis produced the Met Office attribution study. He said: “Spells of heat have always been a feature of the region’s pre-monsoon climate during April and May. However, our study shows that climate change is driving the heat intensity of these spells making record-breaking temperatures 100 times more likely. By the end of the century increasing climate change is likely to drive temperatures of these values on average every year.”

Climate change swells odds of record India, Pakistan heatwaves

Climate change makes record-breaking heatwaves in northwest India and Pakistan 100 times more likely, a Met Office study finds.

The region should now expect a heatwave that exceeds the record temperatures seen in 2010 once every three years.

Without climate change, such extreme temperatures would occur only once every 312 years, the Met Office says.

The UN Secretary General, Antonio Guterres described the report as “a dismal litany of humanity’s failure to tackle climate disruption.”

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