Advanced weather modelling maps reveal snow is set to fall in as many as 77 UK counties across today and tomorrow. The Met Office has issued several yellow weather warnings for snow and ice, with a rarely-seen amber alert also in place for parts of Yorkshire and the North East tomorrow - where as much as 25cm could fall. GFS weather model maps show snow is expected to move from north to south across the country today, possibly even reaching the south coast of England. Flurries tomorrow are