The storm is expected to bring very strong winds to coastal counties with gusts of up to 120 km/hr and a risk of flooding. "Winds will reach gale force along the Atlantic Seaboard with some severe gusts and very high seas as well there".
That warning will remain in place until 2am tomorrow morning. There is also a warning for freezing temperatures, snow and ice, leading to risky road conditions in the coming days.
An orange status wind warning is place for Donegal tonight.
The storm is expected to develop so quickly that it will undergo what is known as "explosive cyclogenesis", turning the area of low pressure into a weather bomb, triggering extremely strong winds, torrential rain and heavy snow.
In Galway city centre the Salthill Promenade was closed as a precaution ahead of the strong winds and waves.
ESB Networks recorded several faults across the country, but a spokesman said there was no "huge increase" in customers losing power supply on Tuesday evening due to the storm.
Heavy snowfall across several countries created unsafe driving conditions due to build-ups of slush and ice on road surfaces.
But Met Éireann have come in for criticism from Channel 4 weather presenter Liam Dutton who called into question Met Eireann's criteria for naming storms.
Less serious yellow warnings for snow have been issued for the rest of Scotland and northern and western England.
Central and northern Scotland are likely to be hit by the heaviest falls but further south it will be more showery with hail, sleet and thunder possible.
It won't be over on Wednesday though, as a separate weather system crossing the Atlantic will bring strong winds to the United Kingdom from Wednesday night until Thursday afternoon.