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Rabhaidh

Dé Sathairn 25 Aibreán Foilsithe ag 03:16

Rabhaidh don RA

Rabhadh Aimsire

Eisithe ag an Oifig Meitéareolaíochta

Is i mBéarla amháin atá an t-inneachar seo ar fáil.

Saturday 25 April

There are no weather warnings in force anywhere in the United Kingdom.

Rabhadh Tuile

Eisithe ag an Ghníomhaireacht Comhshaoil nó ag SEPA in Albain agus Natural Resources Wales sa Bhreatain Bheag

Is i mBéarla amháin atá an t-inneachar seo ar fáil.

Saturday 25 April

There are no flood warnings in force anywhere in the United Kingdom.

Faoi Rabhaidh Aimsire na hOifige Meitéareolaíochta

Tugann BBC Aimsir dhá chineál rabhaidh aimsire eisithe ag an Oifig Meitéareolaíochta: Rabhaidh agus Réamhrabhaidh.

Rabhaidh -eiseofar iad seo nuair a mheasfar go mbeidh drochaimsir ann faoi cheann 24 uair.

Réamhrabhaidh -eiseofar iad seo breis agus 24 uair roimh aimsir dhian.

Tá trí chatagóir teagmhais ann, mar atá, Dearg, Ómrach agus Buí - is é Dearg an ceann is measa.

Bíonn Rabhadh agus Réamhrabhadh den dath céanna chomh trom lena chéile ach táthar á thuar go dtiocfaidh siad ag amanna difriúla. Mar sin, is é an difear idir Rabhadh Dearg agus Réamhrabhadh Dearg ná an t-am is luaithe a thiocfadh leis tarlú.

Nuair a bhíonn rabhadh i bhfeidhm, is féidir faisnéis iomlán a fháil ag Rabhaidh Aimsire na hOifige Meitéareolaíochta

Maidir le Rabhaidh Tuilte

Eisíonn an Ghníomhaireacht Comhshaoil, Scottish Environment Protection Agency agus Natural Resources Wales na rabhaidh tuilte agus cuirtear ar aghaidh chuig Ionad Aimsire BBC iad. Ansin eisíonn muid coimre rabhadh bunaithe ar an eolas is déanaí atá ar fáil. Nuair a eisítear rabhaidh tuilte troma, aibhseofar ar chraoltaí teilifíse iad chomh maith.

Faigh tuilleadh eolais faoi Rabhaidh Thuile

Tá bealaigh éagsúla ann le fáil amach an bhfuil do cheantar féin faoi bhagairt tuilte. Déanann an Ghníomhaireacht Comhshaoil, the Scottish Environment Protection Agency agus Natural Resources Wales a gcuid rabhadh a nuashonrú 24 uair sa lá tríd an uimhir Floodline.

Floodline - 0345 988 1188

Ionchas Míosúil

Dé Luain 20 Aibreán Foilsithe ag 10:00

Ionchas Míosúil

Is i mBéarla amháin atá an t-inneachar seo ar fáil.

Achoimre
The weather is certainly springing around!

Last week the UK saw a range of weather conditions that typify spring in this part of the world. Through the first half of the week, some parts of western Scotland saw well over 100 millimetres of rain (that's around 4 inches) whilst southern England and Wales simultaneously enjoyed warm, sunny days with temperatures peaking into the high teens or low twenties. In fact, last Wednesday brought the highest temperature observed anywhere in the UK so far this year, with Frittenden in Kent recording 25.1 Celsius during that
afternoon. That said, even in the warmer regime across southern areas, early morning mist and fog made for a cool and dull start for many. Interestingly, some of the same areas of the country that experienced warm daytime conditions were also affected by overnight frosts! With winds strengthening across eastern parts of the UK by the end of the week, we really did cover a lot of bases in terms of weather types through the course of last week!

So what type of weather should we expect across the UK over the coming weeks? In short, the answer is; a similarly wide range of weather conditions like those observed last week! This week looks as if the high pressure that has brought a lot of dry and settled conditions in recent days will gradually give way to a wetter and windier spell by the weekend. The following week looks like being an unsettled affair, and perhaps a little cooler than we might expect. Beyond that, there is a fair amount of uncertainty in the forecast, but a reasonably vernal mix looks most likely to persist well into the start of May.

Read on to find out the details...

Dé Luain 20 Aibreán—Dé Domhnaigh 26 Aibreán
Mostly dry and calm at first but changes afoot.

A dominant anticyclone brought a dry and sunny Saturday for all parts of the UK, but by Sunday, a week weather system drifted across central and northern parts to bring cloudy skies and a few spots of rain. Monday started with the remnants of that system clearing away to the northwest, with a fine and dry afternoon expected to follow for the UK at large.

High pressure is indeed expected to retake firm control over the UK weather again for the majority of the week, with an anticyclone centred over or just to the north of the UK. This set-up should bring a lot of fine and dry weather by day. Temperatures are expected to climb gradually day by day, with highs across western areas peaking in the high teens by mid to late week. That said, with the high being centred to the north of the UK, it's most likely that winds will be predominantly from the northeast, such that eastern parts of the UK will tend to be on the cloudier side at times, and some North Sea coasts could be a little on the chilly side at times. With plenty of clear sky around, the overnight periods could be a bit chilly too, particularly across northwestern parts of the UK, where a touch of frost is likely across rural locations overnight.

As we move towards the end of the week the dominant high is expected to gradually give way weather systems to encroaching from the southwest, and also the northwest. This means that as we move into the weekend, we can expect wetter and windier conditions to gradually take over for most areas, with daytime highs significantly down in comparison to midweek.

Dé Luain 27 Aibreán—Dé Domhnaigh 3 Mí na Bealtaine
A typical April week, with showers as standard

April is expected to end on a changeable note, which is exactly the sort of weather we'd usually expect to see at this time of year! Current forecast trends suggest that the jet stream will be suitably positioned to drive some fairly showery conditions in off the Atlantic. This means that the most likely scenario is for all areas to see some wet and windy weather from time to time through the course of this period. The most frequent and heaviest showers are likely to be across western parts of the UK, with the best chance of any prolonged drier interludes to be across southeast England. Most places should see a fair amount of spring sunshine in between the showery bands though. Although daytime maximum temperatures are expected to be at around the average or perhaps just a touch below for late April/early May, there is a reasonable chance that, should winds fall light during overnight periods, a touch of frost will form across rural locations.

Dé Luain 4 Mí na Bealtaine—Dé Domhnaigh 17 Mí na Bealtaine
April showers bring forth...May showers (probably)

Moving into the longer range period, we usually expect the confidence in the forecast to diminish to a certain degree. However, that confidence level is particularly low moving into the first part of May, with different computer model forecasts giving a wide range of very different solutions. As a result, there is a good deal of uncertainty regarding the weather conditions expected over the UK during this period. However, there are just some indications which suggest a continuation of the changeable conditions we anticipate for the end of April. As always, we'll keep you posted.

An tseachtain seo chugainn

Edging towards summer, can we expect any warmth to come our way in late May? Find out next week...

Réamhaisnéisiú míosúil
Ní furasta an aimsir a thuar níos faide ná seachtain nó mar sin chun tosaigh, fiú don réamhaisnéiseoir is mó taithí. Déantar samhaltáin uimhriúla casta a fháil ón Oifig Meitéareolaíochta agus ón Lárionad Eorpach do Réamhaisnéisí Aimsire Meánraoin (ECMWF) agus déantar iad a rith a lán uaireanta don mhí (agus don séasúr) atá le theacht. Ar an dóigh sin, cruthaítear pictiúr den dóchúlacht go rachadh cineálacha éagsúla aimsire i bhfeidhm ar an RA.

An chéad uasdátú eile ag 10:00, Dé Luain 27 Aibreán

Achoimre

Dé Sathairn 25 Aibreán Foilsithe ag 15:37

Achoimre

Is i mBéarla amháin atá an t-inneachar seo ar fáil.

Rather unsettled through the weekend and turning cooler for all.
This Evening and Tonight

Rain continuing to move southeastwards, reaching all parts by dawn. Turning drier but colder with wintry showers in the far northwest and frost and ice in places.

Sunday

Rain across southern parts moving south but probably not clearing the far southeast until late afternoon. Colder, sunnier weather following with scattered showers, wintry over northern hills.

Outlook for Monday to Wednesday

Rather cold and breezy throughout with sunshine and showers on Monday and Tuesday, wintry across some northern areas. Risk of more persistent rain and strong winds in places on Wednesday.

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UK Físeán Réamhaisnéise

Réamhaisnéis UK Uasdátaithe an uair dheireanach 23:34, Dé Sathairn 25 Aib Is i mBéarla amháin atá fiseáin réamhfhaisnéise ar fáil