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Modeling at finer scales

Another way that weather and climate models are being improved is by shrinking the size of the grid squares in the computer model. This makes the model more accurate and can give a better prediction for a local area. This is especially useful for those who live somewhere where there is a ‘microclimate’ – such as a population centre at the bottom of a steep-sided valley. Computer models with larger grid sizes could overlook the local geography, and you might find sunny weather being predicted on a rainy day – very annoying! The challenge is to join together the small-scale local picture with the national, continental or global scale models.




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