Met Éireann, who issue warnings across the Republic of Ireland, named the storm and issued its second-highest level of warning – Status Orange – for counties including Galway and Mayo, from 10:00 local time on Sunday until 20:00.Very strong winds are forecast across the whole of Ireland and parts of Great Britain, especially Scotland.
Along exposed coasts and high ground, gusts may reach up to 70-80 mph (113-129km/h).
It is understood that tens of thousands are without power in the Republic of Ireland.
The Met Office have issued an amber warning for wind for counties Fermanagh, Tyrone, Londonderry and parts of Antrim from 13:00 until 20:00. It’s the second highest level of alert and the meteorological service says “some disruption to transport and power supplies is likely”.
The entire west coast of the Republic of Ireland is under an orange warning.
That’s the second highest level of warning and indicates an increased risk of damage and disruption.
Met Éireann is forecasting coastal flooding, difficult travel conditions, and dangerous seas along counties Clare, Kerry, Donegal, Galway, Leitrim, Mayo, and Sligo.
A yellow warning was issued across the rest of the country from midnight on Saturday until 03:00 BST on Monday.