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Rabhaidh

Dé Sathairn 5 Meán Fómhair Foilsithe ag 00:47

Rabhaidh don RA

Rabhadh Aimsire

Eisithe ag an Oifig Meitéareolaíochta

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

Saturday 5 September

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 5 September

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 31 Lúnasa Foilsithe ag 10:00

Ionchas Míosúil

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

Achoimre
Autumn is officially here

Monday is the last day of the meteorological summer and whilst there were a few hot days for some, they didn't last and they certainly weren't very widespread. The word heatwave certainly didn't crop up all that much over the last three months. We've seen periods of unseasonably windy weather and wetter than average conditions, most notably so in the north and west.

Looking forward into autumn it looks like high pressure will slowly start to edge into the UK settling our weather down, but not before some wet and windy weather through the first couple of days. High pressure will bring mainly dry weather from then on with some chilly nights and settled days where cloud cover will be all important in each day's temperature. There will be showers at times and as we approach the latter half of the month, these will become more and more frequent, particularly in the north and west.

Dé Luain 31 Lúnasa—Dé Domhnaigh 6 Meán Fómhair
The start of meteorological autumn

Monday looks like an unsettled day with frequent showers across northern and western areas, some of which may be heavy and thundery. An area of low pressure in the south will bring more prolonged rain which again will be heavy at times and not without the risk of one or two flashes of lightning as well.

As this area of low pressure is pushed east into the North Sea by an approaching Atlantic high pressure system the UK will come under a northerly regime. Winds will be strong and cold along the east coast, perhaps reaching gale force through Tuesday and Wednesday before easing into the end of the week. Showers will become fewer and further between as the high pressure exerts its influence, bringing a mainly dry end to the week.

As always, forecasting cloud amounts under areas of high atmospheric pressure will prove tricky but under clear spells you can expect warm days and chilly nights with patchy fog. The best of the temperatures will be found in the south and west but elsewhere they are likely to be at or below average.

Dé Luain 7 Meán Fómhair—Dé Domhnaigh 13 Meán Fómhair
Calm conditions but not necessarily warm

The centre of the high pressure system over the UK will tend to drift to the northeast towards Scandinavia bringing easterly winds across the southern half of the UK to start the week, which may well lead to showers, some of which could be heavy. Apart from this the settled, mainly dry weather will continue and whilst temperatures will be generally below average, cloud amounts will have a huge impact of the feel of the day. Clear spells by day will lead to warm autumn sunshine but clear spells by night will lead to chilly, occasionally foggy nights with the risk of patchy rural frosts.

Dé Luain 14 Meán Fómhair—Dé Domhnaigh 27 Meán Fómhair
The start of astronomical autumn

Into the second half of September the area of high pressure is expected to enter a period of decline, allowing more unsettled weather to push into the UK on strengthening southwesterly winds. The most frequent showers and longer spells of rain will affect northern and western areas with a cool feel as the remnants of the high pressure provide shelter for southern and eastern areas where temperatures are likely to be above average for the time of year.

An tseachtain seo chugainn

This may be the last chance for an Indian summer - will we get one?

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 7 Meán Fómhair

Achoimre

Dé hAoine 4 Meán Fómhair Foilsithe ag 14:36

Achoimre

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

Cloud and rain spreading south. Clearer and chilly conditions behind.
This Evening and Tonight

Overnight, mainly light showery rain will spread to England and Wales whilst drier and clearer conditions will follow from the north, where perhaps a touch of frost is possible.

Saturday

Some early rain in the south of England. The odd shower developing, otherwise a predominantly dry day with some sunny spells. Light winds inland but noticeably breezy around the coasts.

Outlook for Sunday to Tuesday

Mostly dry with variable cloud amounts, though there should be some spells of sunshine, but chilly nights also. Temperatures gradually rising, becoming near to normal, feeling pleasant in the sun.

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Físeán Réamhaisnéise: An RA

Réamhaisnéis: An RA Uasdátaithe an uair dheireanach 23:18, Dé hAoine 4 MFómh Níl ach físeáin réamhaisnéise Béarla ar fáil