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Rabhaidh

Déardaoin 28 Mí na Bealtaine Foilsithe ag 03:56

Rabhaidh don RA

Rabhadh Aimsire

Eisithe ag an Oifig Meitéareolaíochta

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

Thursday 28 May

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.

Thursday 28 May

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 25 Mí na Bealtaine Foilsithe ag 10:00

Ionchas Míosúil

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

Achoimre
Summer arriving, but where is the summery weather?

April 2015 proved to be a lot warmer than an average April for the vast majority of the UK, and also the sunniest April since records began way back in 1929. In stark contrast, May 2015 has so far proven to be a relatively cool month, with daytime temperatures well below where they should be for most. The first half of May 2015 also proved to be particularly wet, with most places in the UK receiving the average rainfall for the entire month in just the first two weeks.

The week just passed brought further spells of rain. So as we head through the last week of May and into June (the start of the meteorological summer), is there any change on the horizon from the cool and showery theme of late?

Well, in short, in the near term the answer is no. The last week of May looks like remaining a touch on the cool side, particularly in the north, and will turn quite wet and windy for a time on Thursday and into the weekend. Further ahead though there are suggestions of a slight change in the weather.

Read on to find out the details...

Dé Luain 25 Mí na Bealtaine—Dé Domhnaigh 31 Mí na Bealtaine
The cool theme continues...for some at least

This week gets underway on a dry and cloudy note. There will be the risk of a few showers across northern parts, but on the whole most places will stay dry. Temperatures will be a little on the cool side under the cloudy skies, but in the brighter intervals across eastern areas, temperatures will peak into the high teens. A similar theme is expected for Tuesday and the first part of Wednesday.

Later on Wednesday an Atlantic low pressure system will bring outbreaks of rain and gusty winds into Northern Ireland. Overnight into Thursday morning, this weather system is expected to track northeastwards, bringing wet and windy weather to all parts of the UK for a time.

On current forecast timings, we expect this low pressure system to have cleared away into the North Sea by Thursday afternoon, but a legacy of heavy, potentially thundery showers and strong northwesterly winds are expected in its wake.

Conditions should then settle down for a time as we move into Friday, but further Atlantic weather systems are expected to move in from the west through the course of Friday and into the weekend. Southeastern parts may stay drier and warmer at times, but the cool showery theme will continue in the northwest.

Dé Luain 1 Meith—Dé Domhnaigh 7 Meith
Flaming June? Not likely...at least for start

The meteorological summer looks set to get off to a relatively breezy start in the north, with a risk of further Atlantic low pressure systems tracking northeastwards to bring spells of rain and some fairly strong winds at times. The combinations of these elements will likely lead to temperatures registering at values rather lower than what we would usually expect for early June, (the early-June average in the north of the UK being 15 to 16C).

Further south though, there is a greater chance that conditions will tend to stay drier for longer, with temperatures reaching values nearer to what we would normally expect during June (18 to 19C as the early-June average in the south of the country), particularly in any brighter daytime interludes.

Towards the end of this period, confidence in the forecast tethers off somewhat. However, there are signs that we could see pressure rise across much of the UK though, which would in turn increase the likelihood of dry weather for all parts, with a recovery in daytime maxima in the previously cooler north.

Dé Luain 8 Meith—Dé Domhnaigh 21 Meith
Lots of uncertainty, but at least a hint of summer

Even for a long range forecast, the current prospects for the second week of June exhibit a relatively large amount of uncertainty. There is little sign of any genuine consensus between all the computer models and weather forecasting tools available to us. However, there are some hints that pressure might start to build across Scandinavia. Such a scenario would have the effect of introducing a good deal of dry and bright weather, particularly across northwestern parts of the UK.

High pressure lying to the northeast of the UK also creates favourable conditions for a warm feed of continental air across southern parts of the UK, with the potential for some thundery showers to feed in from the near continent. At this stage we cannot be too certain of such an anti-cyclonic outcome. We await further forecast information with interest, and of course we will always keep you updated here at BBC Weather Centre.

An tseachtain seo chugainn

Will the summer weather show up? 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 1 Meith

Achoimre

Déardaoin 28 Mí na Bealtaine Foilsithe ag 15:31

Achoimre

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

Showers across Scotland tonight, outbreaks of rain spreading in elsewhere.
This Evening and Tonight

Occasional blustery showers across Scotland, some heavy with thunder. Becoming cloudier elsewhere with outbreaks of rain already affecting Northern Ireland spreading south-eastwards overnight and turning heavy at times, although the far southeast of England will stay dry.

Friday

Rain affecting England and Wales, heavy at times and accompanied by gusty winds, will clear away eastwards during the day. Sunny intervals and blustery showers elsewhere, some heavy and thundery.

Outlook for Saturday to Monday

Most places fine Saturday, but with rain into the west later. Rain for most parts Sunday before becoming mostly dry from the west. Further rain spreads in Monday. Often windy.

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UK Físeán Réamhaisnéise

Réamhaisnéis UK Uasdátaithe an uair dheireanach 12:29, Déardaoin 28 Beal Is i mBéarla amháin atá fiseáin réamhfhaisnéise ar fáil