Met-Office invents infallible climate prediction method

🤔

Tallbloke's Talkshop

The Met-Office has issued a ‘decadal’ climate forecast which runs from 2018 to 2023. Maybe it should be called a ‘semi-decadal forecast’ instead, but we’ll let it pass, as that’s not the most amusing aspect of it by a long chalk.

For starters, there’s the baseline period chosen. 1850-1900. They’ve gone for this so they can scare us with the upper end of the blue prediction envelope exceeding the Dangerous! Global! Warming! politically chosen figure of 1.5C above “pre-industrial”.

Here’s the global measuring station coverage between 1891 and 1920. There was a lot less in 1850.

station-counts-1891-1920-temp

I thought it would be fun to see how the Met-O forecast is doing after 10 months, so I plotted the latest annually averaged HadCRUt 4 global data using Wood For Trees in red and overlaid it on the Met-O prediction plot:

met-o-2018-2023

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