From the edge of the Arctic to almost the Tropic of Cancer, Europe’s rapid warming is evidenced by hotter summers − and winters.
LONDON, 5 September, 2019 − Europe’s rapid warming means the world’s hottest property could now be on the continent. It has seen the strongest intensification of heat waves anywhere in the world in the last 70 years. The hottest of hot summers are now 2.3°C hotter than they used to be.
And winter extremes of cold are dwindling. The number of extremely cold days has fallen twofold or even threefold, and the coldest days are now 3°C milder than they used to be, according to readings from 94% of the continent’s weather stations.
This, say Swiss scientists, adds up to “a climate change signal that cannot be explained by internal variability.”
That is, thanks to a steady increase in atmospheric greenhouse gases driven by ever-increasing use of fossil fuels, Europe is warming even faster than global climate models predict.
“In at least one region of the globe, global heating is already happening, and at a rate faster than predicted”
“Even at this regional scale over Europe we can see that these trends are much larger than what we would expect from natural variability,” said Ruth Lorenz, a researcher from the Swiss Federal Institute of Technology, also known as ETH Zurich. “That’s really a signal from climate change.”
She and colleagues report in the journal Geophysical Research Letters that they looked at observations and measurements from around 1,000 weather stations between 1950 and 2018 and then analysed the top 1% of the highest extremes of heat and humidity, and the top 1% of coldest days during the same timespan.
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