A Met Eireann forecaster has revealed how an unusual weather event has led to major temperature differences in parts of Ireland.
Meteorologist Gerry Murphy said the "breakdown stratospheric polar vortex has resulted in a blocking high to the north" leading to the west of Ireland enjoying milder temperatures compared to the cooler conditions in the east.
He explained: "This is a vortex of very cold air in the stratosphere up near the North Pole. In the spring, that breaks down and it can affect the orientation of the high pressures and the low pressures.
