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

> I would presume a more complex system over a longer period would be harder to predict.

You are not wrong, and in part you are onto why it’s harder to predict the weather.

**Weather** is what conditions of the atmosphere are over a short period of time. **Climate** is how the atmosphere “behaves” over relatively long periods of time.

You can think of weather as the very specific details, and Climate as the broad average.

So is it going to rain tomorrow in my town for 30 minutes, is much harder than saying rain is likely in the next month, or the average temperature will rise by 2 degrees.

Hope that makes sense

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