I am two months into a sabbatical year, poking at ideas, and one of them has already turned into something I can point at: skaneweather.com. The tagline is "what the weather will do, for southern Sweden." That do is the whole point. Most weather sites hand you numbers: 14 degrees, 6 m/s from the west, 40% chance of rain. Then they leave the hard part to you, which is working out whether that means anything for your Tuesday. Having spent years on the production side of forecast and climate data, I wanted to try the other half of the job,...