A sunny outlook for speedier weather forecasts

Official weather forecasts are being produced faster and more efficiently, thanks to revolutionary technology designed by scientists at the University of Bath. Last updated on Tuesday 26 January 2021 - Official weather forecasts are being produced faster and more efficiently, thanks to revolutionary technology designed by scientists at the University of Bath. This breakthrough allows the Met Office to make better use of its expensive computer resources. Met Office weather forecasts are created by feeding the current state of the atmosphere into a supercomputer which uses sophisticated algorithms to simulate how the weather will evolve in the coming hours and days. The supercomputer finds the solution to millions of mathematical equations relating to temperature, atmospheric pressure, wind, humidity, precipitation and cloudiness. The predictions generated from these equations produce a final weather forecast. The speed of predictions is limited by the processing speed of the supercomputer.