Heavy snow is set to strike Britain as sub-zero blizzards could batter the UK, according to the latest weather maps. A low pressure zone is expected to drag freezing air from Scandinavia across Britain, plunging temperatures as low as -10C. A long-range forecast predicts the deep freeze will hit the UK from February 11. According to WX Charts, heavy snow threatens to blanket huge swathes of Britain as the cold snap hits. Snow looks set to fall across Scotland, Northern Ireland, Wales, northeast and northwest England. A wave of blizzards also looks set to bring a -10C chill in parts of Scotland…