
"The cold temperatures in the UK have also been accompanied by snow. This is because areas of low pressure have been running in from the north-east, tracking across the North Sea and picking up moisture along the way. When they come over the land, the water falls as snow due to the cold temperatures."
Writing in The Times, weather expert Paul Simons alleges that there is a big change afoot: "There are signs of a sudden shift in the temperature of the stratosphere, several miles high in the atmosphere. For reasons not entirely clear, the temperature of the stratosphere has increased and this has impacted down into the lower atmosphere, where most of our weather occurs."
I have no idea whether that's true. It sounds like a theory that needs a bit more research.
Dr Myles Allen, head of the Climate Dynamics group in the Department of Physics at Oxford University, was quoted in The Daily Telegraph as saying: "Snowfall ... could actually increase in the short term because of global warming. We have all heard the expression 'too cold to snow' and we have always expected precipitation to increase. All the indicators still suggest that we are warming up in line with predictions."
That makes sense to me. Climate change models predict wetter winters. And that almost certainly means snowier winters for the foreseeable future. So we'd better get used to it.
I think I might get some cross-country skis. They'd be a lot more use than shoes for getting around Belsize at the moment!
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