Rea-whatnow?

Disclaimer: This is my first attempt at a grandma-friendly explanation of one of the key instruments in a climate scientist’s bag: climate reanalyses.

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My new job is all about finding weather observations that can feed into things called reanalyses. A reanalysis product is a massive dataset that can be used to recreate how we think the weather and climate behaved. Having this kind of ‘guess-timate’ of the recent atmosphere helps scientists learn more about how weather patterns form and decay, different ways that the atmosphere is responding to climate change, and all sorts of cool  ways to understand how the weather works. Reanalyses are used to study things like extreme weather events, improving weather forecasting, how climate change is affecting the atmosphere, and sun, wind and rain availability for renewable energy and agriculture.

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