Rain or shine? A short history of the weather forecast
The Forum
00:00
The Met Office's Supercomputer
The Met Office at Supercomputer, a Cray XC40, can do 14,000 trillion calculations per second. That's more than 2 million per second for every man, woman and child on the planet. It has to incorporate vast amounts of data before it can even run a forecast. Chris Harper: If you don't have a good starting point, you won't get a good forecast.
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