13 Aug 2022

Forecaster warns collapse of the polar vortex could bring prolonged cold snap with snow to Ireland

Forecaster warns of prolonged return to snow and ice for Ireland this weekend

Forecaster warns of possible weeks of cold weather and some snow for Ireland starting this weekend

Weather models are beginning to indicate the development of a potentially prolonged cold spell commencing this coming weekend in Ireland, regional forecaster Cathal Nolan has predicted.

The Irish Weather Channel meteorologist said: "Both the GFS and ECMWF weather models are now both in agreement that our weather will again turn colder next Sunday, with a renewed risk of frost, snow and ice.

"At present this colder spell would again be as a result of a large blocking anticyclone across Greenland, forcing the jet stream well to the south of Ireland and allowing for a very cold north to northeast airflow to develop.

"This would feed in plenty of wintry showers to parts of the north and northwest, as well as along Irish Sea coastal areas. Drier and sunnier elsewhere though bitterly cold.

"It’s uncertain exactly how long such a cold spell could last for, however, coinciding with a sudden stratospheric warming event and a collapse of the polar vortex, such a cold spell could perhaps be measured in weeks rather than in days.

"These prospects are still far from nailed on certainties, with some change likely between now and the event. However, if you enjoy cold wintry conditions then these charts are rather exciting," Cathal concluded.

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