Chief Meteorologist, Andy Page, said: “A band of very heavy rain will pivot over Northern Ireland during Sunday night, bringing totals of possibly 50-75 mm in just a short period of time. This high intensity rainfall can lead to flooding, with impacts on properties, transport networks and power outages.

A thunderstorm warning is in place for parts of Northern Ireland from Sunday afternoon. The Met Office is forecasting thunderstorms in counties Londonderry, Tyrone and Fermanagh. The warning is in place until 20:00 BST on Sunday.