Walker on her way to Loughrigg summit from Grasmere.© Mick Ryan

'We might be in the middle of a ten-year spell of colder than average winters', writes David Dobson from the Earth Sciences Department at University College London at the BMC's website.It's something to do with the North Atlantic Oscillation Index (NAOI) and air pressure.You can read the full explanation at www.thebmc.co.uk. Diesen Artikel inkl. Bilder auf UKClimbing.com anschauen