New weather maps have turned a deep purple as they forecast the imminent arrival of a snow mass that could coat the UK from tip to toe. Conditions in Britain have become increasingly unsettled in recent days, with Storms Bert and Conall having swept through Europe, bringing string winds and heavy rain. In Wales, locals are still picking up the pieces after severe flooding that killed four people, and, while yellow alerts have since expired, the general picture is still notably wintry. The