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Met Eireann issued a 55-hour weather advisory for “severe” frosts and winter rains that will end this week.
The alert is in effect for the entire country from 4 p.m. Wednesday until just before midnight Saturday.
It says: “Much colder during the rest of the week, with sharp to severe frosts and icy sections. Some winter rains too.”
It comes as experts said there would be a “drastic change” for Thursday, with values plummeting to lows of -3 ° C.
Met Eireann forecaster Paul Downes warned that snow could fall on higher ground, but there was uncertainty about the exact forecast.
Yesterday he told the Irish Mirror: “It is too early to say what the type of precipitation will be, it could be sleet, it could be snow on higher ground, we will need to see closer to the time.”
“It’s definitely going to be a drastic change from Wednesday to Thursday, as temperatures drop on Thursday afternoon, we expect a strong frost on Thursday night, particularly in the eastern half of the country.”
“It will be a generally cold night in the last half of the week, but there will be quite a noticeable change in daytime temperatures.
“Currently, it seems that Thursday will be the coldest night. Friday seems a little warmer, but especially in the western half of the country there will be a lot of heavy showers with a risk of hail.”
Downes said a weather warning was unlikely at this stage, but insisted it was an “evolving situation.”
He added: “At this time it does not appear to be a warning criterion, but it is an evolving situation, so definitely keep an eye out for website updates. It seems windy at times, but most of it will remain off shore. , possible coastal warnings at times.
“Models are cutting and changing on this, so we’ll definitely let you know.”
Meanwhile, today and tomorrow it seems that they will be exhausted with drizzle and even hail at times.
A forecaster from Met Eireann said: “Today will be cloudy and dry, apart from a few isolated patches of drizzle, and some bright or sunny intervals will develop at times. Higher temperatures 8-11 degrees with light to moderate west breezes.
“Tonight it will be cloudy with outbreaks of rain moving southeast over the country. Some clear periods and scattered rains will follow in the northwest later on. Lower temperatures of 4 to 7 degrees with light to moderate winds from west to southwest.
“Tomorrow morning, the clouds and rain will clear from the southeast. Then there will be sunshine and rain for the rest of the day, mainly in Connacht and Ulster during the morning and afternoon before spreading to all areas later. Some Rains will be heavy, especially in the northwest, and there will be a risk of hail. It will be a cold and windy day with afternoon temperatures of only 5 to 8 degrees, with moderate to cool and gusty westerlies.
“Widespread rains will continue tomorrow night, merging into longer periods of rain in the southwest. Some rains will be heavy with hail and possibly thunder, and may turn winter in highlands in the northwest. A cold night with temperatures lower than -1 to +3 degrees with moderate winds from the southwest “.
And the coldest weather is expected Thursday, with thunder and winter downpours during the day, followed by lows of -3C at night.
One forecaster added: “Thursday will be very cold with widespread heavy rains or longer periods of rain. There will be a risk of hail and thunder and some rains may turn winter on high ground in the west. The rains will retreat to western areas through Afternoon, with drier and brighter conditions elsewhere. Temperatures will only reach between 3 and 5 degrees, so it will feel very cold. Winds will be light to moderate, from the west or northwest.
(Image: Niall Carson / PA Wire)
“On Thursday night, the winter rains will retreat mainly to the western coast counties. Many areas will be dry with clear spells and a heavy frost on the ground that will cause some ice patches. The lowest temperatures of -3 to +2 degrees, colder in Ulster and Leinster.
“Friday will be another cold day. Dry and sunny in many areas during the morning, with rains in the western coastal parts. Some of those rains will be heavy and possibly winter. Clouds will increase in Ulster and Leinster later, which will bring Widespread rains or longer periods of rain, falling as sleet on higher ground Temperatures during the afternoon will only reach 3-6 degrees and there will be an additional wind chill as cool or strong winds develop from the northwest.
“On Saturday there will be more rain in the west and north, but largely dry with periods of sunshine elsewhere. At first, with cool to strong winds from the northwest, but the winds will subside during the day. Keep cool with temperatures in the afternoon between 5 and 8 degrees.
“Sunday will be another cold day with scattered rains and spells of sunshine. Higher temperatures of 4 to 6 degrees with mild to moderate northwest winds.”
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