"In October 2024 the Spanish region of Valencia was smothered in a downpour of biblical proportions. In just a few short hours, more rain fell on the region than would in an average year. The precipitation triggered a string of flash floods that swept away bridges and cars and even derailed a train. More than 230 people in Spain were killed in the deluge."
"The study shows that, because of climate change, the rate of intense rainfall was about 21 percent higher over a six-hour period in Valencia than it would have been without the influence of climate change. The research is what's known as a climate attribution study: the science is clear that a changing climate will, in general, make extreme weather and disasters such as floods and wildfires both worse and more frequent."
In October 2024 Valencia experienced an extreme downpour that in a few hours delivered more rain than an average year. The intense precipitation triggered flash floods that swept away bridges, cars, and derailed a train, killing more than 230 people. Climate change increased the rate of intense rainfall in Valencia by about 21 percent over a six-hour period compared with conditions without that influence. Attribution methods used real-life data to simulate flooding scenarios and compared them with measurements of pre-fossil-fuel-era climate. A changing climate tends to make extreme weather and related disasters worse and more frequent, though quantifying exact influence on single events remains challenging.
Read at www.scientificamerican.com
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