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Old ice in Arctic vanishingly rare

Each winter, sea ice expands to fill nearly the entire Arctic Ocean basin, reaching its maximum extent in March. Each summer, the ice pack shrinks, reaching its smallest extent in September. The ice that survives at least one summer melt season tends to be thicker and more likely to survive future summers. Since the 1980s, the amount of this perennial ice (sometimes called multiyear) has declined.

Tales of future weather

Society is vulnerable to extreme weather events and, by extension, to human impacts on future events. Today a new study by researchers from the Royal Netherlands Meteorological Institute (KNMI) was published in Nature Climate Change. Combining weather models and climate models potentially provides complementary, more realistic and more physically consistent pictures of what future weather might look like. Wilco Hazeleger, Director of NLeSC, is first author of the published study.

The End of the Rainbow - An Open Letter to the Community

 An open letter from a group of climate scientists ask for an end to the rainbow colour scale in climate science. The scientists, including NCAS's Ed Hawkins petitions the climate science community in a "A plea to you all to help rid climate science of colour scales that can distort, mislead and confuse. Colour scales that are often illegible to those who are colour blind."

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