Author Archives: Andrew McRae

Forecasting the present

Forecasting the weather is very difficult, but the concept itself is simple. If we know the state of the atmosphere right now, the initial state, we can use well-understood physical laws to predict how the atmosphere will change over time. … Continue reading

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Supercomputer says no: gridding the Earth in next-generation weather and climate models

Making a timely weather forecast, or running a high-resolution global climate model, requires the use of a massive supercomputer.  Simulations that would take months to run on a normal computer take just hours on a supercomputer.  However, supercomputers are far … Continue reading

Posted in Climate, Forecasting, Future, Modelling | Tagged , , | 2 Comments