Ireland is facing a bitterly cold weekend with at least two days of snow and frost as an Arctic airmass feeds down, according to Met Eireann's latest forecast.

Much of the weather chaos in the northern hemisphere has been caused by a weaker-than-usual polar vortex this winter. The polar vortex is caused by high-altitude winds that rotate anticlockwise around the North Pole and usually trap extremely cold air in the Arctic region.

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Thursday and Friday are likely to bring cold conditions with possible wintry showers over the course of what Met Eireann has called a short cold snap