The Attribution Question

Posted on 25th August 2016

Whenever an extreme weather event happens that impacts society the “attribution question” whether human induced-induced climate change played a role is asked. Scientists are now able to answer this question for many different types of extreme weather events. However, the answer depends on how the attribution question is framed. Different framings and differing definitions of […]

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CPDN part of the Climate SWAT team

Posted on 2nd August 2016

The New York Times reports on the work of World Weather Attribution scientists and explains how CPDN simulations are used to make real-time assessments of the role of climate change in extreme weather events possible. Using the example of the recent real-time study on the floods in France and Germany the article details how we […]

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100s of deaths in two cities in 2003 heatwave due to man-made climate change

Posted on 8th July 2016

CPDN scientists and their colleagues have specified how many deaths can be attributed to man-made climate change during an extreme heatwave in two European cities in 2003. They calculate that in Paris, the hottest city in Europe during the heatwave in summer 2003, 506 out of 735 summer deaths recorded in the French capital were […]

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Paris floods made almost twice as likely due to climate change

Posted on 10th June 2016

The World Weather Attribution team have analysed the role of climate change in the recent floods in France. Using multiple models (including weather@home) and observational analysis, their findings estimate the event to be almost twice as likely due to climate change (80% more likely in the Seine valley and 90% in the Loire valley). All […]

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New analysis provides “proof of concept” for real-time extreme event attribution

Posted on 1st June 2016

A new analysis published in the journal Environmental Research Letters establishes that seasonal forecast sea surface temperature (SSTs) can be used to perform probabilistic extreme-event attribution, thereby accelerating the time it takes climate scientists to understand and quantify the role of global warming in certain classes of extreme weather events. To test the theory that […]

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