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Rabhaidh

Dé hAoine 28 Lúnasa Foilsithe ag 10:38

Rabhaidh don RA

Rabhadh Aimsire

Eisithe ag an Oifig Meitéareolaíochta

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

YELLOW EARLY WARNING OF RAIN for southeast England

Updated 28 August at 10:22

Valid from 00:15 on 30 August until 23:50 on 30 August

Heavy showers and possibly some more prolonged rain is expected to affect southeastern parts of England at times during Sunday. Rain could be heavy, with the risk of some torrential downpours whilst lightning may well be an additional hazard at times.

Very localised impacts from standing water or flooding from fast responding water courses may affect travel and some outdoor events and activities.

This is a very complex development and the warning area, as well as warning period, may well be updated as confidence in developments increase.

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.

Friday 28 August

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 24 Lúnasa Foilsithe ag 10:00

Ionchas Míosúil

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

Achoimre
Will average August turn into sunny September?

It's probably fair to say that we've had a typically British mix of weather this summer, with most areas enjoying occasional spells of warm sunshine among the showers, although the balance did tip rather heavily towards the damp end of the scale across Scotland. There are signs of a change towards a more settled spell at the end of August - just as the last few schools open their doors for the new term.

Dé Luain 24 Lúnasa—Dé Domhnaigh 30 Lúnasa
Keep the brolly handy this week

The weather is dominated by the Atlantic influence this week, with areas of low pressure bringing spells of rain from the west. Some of the rain in the south could be particularly heavy, especially earlier in the week. There will be some sunshine at times too, but a brisk west to southwesterly breeze is likely to make it feel a little on the cool side.

Dé Luain 31 Lúnasa—Dé Domhnaigh 6 Meán Fómhair
Last Bank Holiday before Christmas

You might think a Bank Holiday Monday would guarantee rain, but in fact it looks like the last day of August will mark the start of a trend towards some more settled weather for the start of the first month of autumn. Still rather breezy with a few showers at first, but as high pressure builds in from the west the weather should become drier and quieter. It will feel pleasant enough in sunshine by day, but calm, clear nights will allow an autumnal chill to develop and perhaps some seasonal mists.

Dé Luain 7 Meán Fómhair—Dé Domhnaigh 20 Meán Fómhair
Early autumn or late summer?

It may sound surprising, but the character of our weather during the middle of September is likely to be decided by current weather conditions over west Africa. Groups of big thunderstorms, known as easterly waves, are moving out across the Atlantic from the African coast. These have the potential to develop into hurricanes, and if that happens the knock-on effect of a big injection of energy into the atmosphere is to reduce the predictability of weather across northwest Europe. In other words, there's no clear signal at the moment for the type of weather we can expect across the UK during the second part of September, The best estimate suggests that cool breezes and occasional rain are most likely in the northwest, with warmer and drier weather more common in the southeast.

An tseachtain seo chugainn

Onwards through the autumn equinox and the nights become longer than the days, but when might those nights bring the first sharp frosts of the season?

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 31 Lúnasa

Achoimre

Dé hAoine 28 Lúnasa Foilsithe ag 14:37

Achoimre

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

Showers in the north, drier in the south.
This Evening and Tonight

Any lingering showers dying out across much of the UK, but persisting over northwest Scotland and Northern Ireland. Generally cloudy, but fog could form in any cloud breaks, mainly in the southwest.

Saturday

Sunshine and showers through Saturday, mainly to the north. Heavy rain and isolated thundery showers developing across the southeast through the afternoon and evening.

Outlook for Sunday to Tuesday

Showers continuing across the north, with heavy rain slowly clearing east from southern parts through Monday morning. Further showers possible across the country later Monday and on Tuesday.

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Físeán Réamhaisnéise: An RA

Réamhaisnéis: An RA Uasdátaithe an uair dheireanach 23:22, Dé hAoine 28 Lún Níl ach físeáin réamhaisnéise Béarla ar fáil