![]() ![]() Sometimes I will see a relatively low percentage, perhaps 20, and on other occasions a much larger figure, such as the 98 per cent it is showing as I write this. However, my app will insist on showing me an icon of three raindrops with a percentage underneath. Simple soul that I am, I have always considered rain to be a binary event it rains, or it is fine. It is broadly accurate, but it does seem to give off a sense of spurious accuracy, especially when it comes to rain. So, I downloaded it and my experience has been positive. However, you cannot stand in the way of progress and the weather app did seem to promise a degree of meteorological rigour to its prognostications which would be folly to ignore. For decades I had been content with the evidence of my own eyes, my sense of what the clouds and wind direction are telling me or, if I ever felt the need for some additional assistance, my poor man’s weather glass, a frond of sugar kelp. One app, though, that has, so far, always managed to escape my purges is one that purports to tell me what the weather is going to be like. To avoid app-overload, every three months I cull my phone of those which once tickled my fancy, but now lie neglected. After all, there are only so many times you want to know the type and destination of an aircraft flying overhead (once), what is the recommended garnish for a certain gin (occasionally) or how to travel from A to B by public transport (sadly, never now). Undoubtedly, they display a high degree of ingenuity, but I find that the novelty soon wears off. I have a smartphone, use social media moderately, and have even been known to download the odd app or two. I like to think I have embraced new technology. So how are they calculated? The answer is far from simple, much less logical, as Martin Fone discovers. Those 'chance of rain' percentages you see on the weather forecast hide a bewildering range of possibilities. Country Life's Top 100 architects, builders, designers and gardeners. ![]()
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