Photograph: Declan DohertyA status yellow warning of low temperatures and ice has been issued for 10 counties in the Republic. In Northern Ireland, a UK Met Office snow and ice warning is in place for counties Antrim, Armagh, Down, Fermanagh, Tyrone and Derry. It can involve snowfall of 3cm or more in 24 hours, icy conditions, temperatures as low as -4 degrees and dense fog or pockets of freezing fog. Status red This is the most severe warning, triggered by “rare and extremely dangerous” conditions. Icy conditions can be “dangerous” and temperatures can fall to -10 degrees or below.
