A glorious national obsession is explored in this archive-rich look at the evolution of the weather forecast from print via radio to TV and beyond - and at the changing weather itself.

It shows how the Met Office and the BBC have always used the latest technology to bring the holy grail of accurate forecasting that much closer - even if the odd messenger like TV weatherman Michael Fish has been shot along the way.

Yet as hand-drawn maps have been replaced by weather apps, the bigger drama of global warming has been playing itself out as if to prove that we were right all along to obsess about the weather. Featuring a very special rendition of the shipping forecast by a Cornish fishermen's choir.