eli5 Why can data models predict the future climate but not the weather?

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Why can data models predict the future climate but not the weather?
Why are weather forecasts often wrong but modelling of the future climate highly accurate? I would presume a more complex system over a longer period would be harder to predict.

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Anonymous 0 Comments

Let’s make an analog.
You are able to save on average 2000 a month. That means in 10 years you should have 240.000 on your bankaccount.

This doesn’t mean you will be saving 2k each month. Some months it is 500 and others it is 3k.

In other words we see a trendline which should mean x to the weather. But that doesn’t corrolate directly for the weather we will be having on a daily basis.

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