By Benedict Tetzlaff-Deas Britain could blanketed in snow in just a matter of days, according to new weather maps. The latest projection models from WXCharts show large accumulations of snow across the UK next Wednesday, March 13. As much as 10cm (4in) could be on the ground in northern England by midday, while 7cm is likely in some central and northern parts of Scotland. It comes as a more divided picture begins to develop in different parts of the country for the first part of March, with some areas in the south staying mild while the north begins to see a downward trend in temperatures. Win…