The key technology of weather forecasting is numerical weather prediction, using powerful computers to simulate the future evolution of the atmosphere.
The first numerical weather prediction–using a digital computer to solve the equations describing the physics of the atmosphere– occurred in 1950 using the ENIAC computer (see below)
And numerical weather prediction was immeasurably improved with the advent of weather satellites that can provide a three-dimensional global view of atmospheric structure. TIROS-1 the first weather satellite is shown below.
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