herald

Sunday 19 January 2020

No snow for the big day but plenty of rain on way

Get the brollies ready for a wet weekend, says Met Eireann. Photo: Douglas O'Connor
Get the brollies ready for a wet weekend, says Met Eireann. Photo: Douglas O'Connor

A wet and windy weekend is in store in the run-up to Christmas as a low pressure system brings more unsettled weather until St Stephen's Day, according to Met Eireann.

Tomorrow is expected to be the best day of the upcoming Christmas holiday period, but Dublin and other eastern coastal counties could see some showery rain develop later in the day as morning frost and fog gradually clears.

Although it will be cold - with daytime highs of just 4C to 8C - with light breezes, there may be some bright or sunny spells. But it's not going to be crisp, blue skies," said forecaster Liz Walsh.

Saturday and Sunday will be similar, with cold and mainly dry conditions in most areas, but lingering fog in some places along with some bright and sunny spells mean daytime highs of just 5C to 8C. Overnight, both nights will be cold with frost and fog developing.

While it is still a few days away, the outlook for Christmas Eve and Christmas Day is unsettled, according to Ms Walsh.

"We've got the jet stream right over us up to Christmas Day and St Stephen's Day and more potential for low pressure to affect us," she said.

Bright

The jet stream - pushing in from the North Atlantic - means we are likely to see "a continuation of wet and windy weather with dry and bright intervals", she told the Herald.

But what we aren't likely to see is snow, at least not in the east, she added.

"I can't say there won't be any snow at Christmas," she said. "We're not ruling it out but it's not very likely."

In order to get snowfall we would need to receive cold north-westerly winds blowing in from the North Atlantic or - as we witnessed during the 2018 blizzard - cold polar winds coming in from the east.

As for the possibility of a white Christmas this year, "it doesn't look likely because it's an Atlantic regime", Ms Walsh said.

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