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Rabhaidh

Dé Luain 15 Meán Fómhair Foilsithe ag 00:00

Rabhaidh don RA

Rabhadh Aimsire

Eisithe ag an Oifig Meitéareolaíochta

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

Monday 15 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.

Monday 15 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 8 Meán Fómhair Foilsithe ag 10:00

Ionchas Míosúil

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

Achoimre
Not an Indian Summer...just yet!

At the moment days are still longer than nights so there is a net heat input. The Autumn equinox is 23 September and so the balance will then start to shift. This means (climatologically) frost is more likely and fog is slower to clear. Another characteristic of this time of year is that the jet stream starts to power up and steer depressions to our shores. It's a fine balance and a time when the weather starts to turn...

Dé Luain 8 Meán Fómhair—Dé Luain 15 Meán Fómhair
High pressure holding firm...but for how long?

The weekend rain in northeast Scotland will fade away and it's a week of little or no rain nationwide. Cloud amounts are more difficult to forecast with the amount of boundary layer moisture crucial. Sunshine is more likely at the start of the week, and hence chilly nights. The trend is for increasing amounts of low cloud with the best breaks in the west as a southeasterly breeze picks up. Temperatures near average...but beware cold nights at the start of the week.

Dé Luain 15 Meán Fómhair—Dé Luain 22 Meán Fómhair
Time for a change

During this period the area of high pressure should retreat to the north. Falling pressure then would start to bring more changeable showery weather from the southwest, probably from Monday, though this change could be delayed. Temperatures are expected to be near normal still.

Dé Luain 22 Meán Fómhair—Dé Domhnaigh 12 Deireadh Fómhair
Mixed bag with increased uncertainty

During late September, and into October most regions can expect to see some pleasantly warm sunshine at times. However, these fine periods are likely to be interspersed with occasional spells of cloudier, more unsettled conditions with showers or longer spells of rain, particularly in the west. Nights may well be on the chilly side with a risk of fog patches.

An tseachtain seo chugainn

Will pressure be high or temperatures low?

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 15 Meán Fómhair

Achoimre

Dé Domhnaigh 14 Meán Fómhair Foilsithe ag 15:35

Achoimre

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

Mainly fine Monday, but cloudy with rain north and east.
This Evening and Tonight

It will be mostly dry with clear spells in the far south and west. Eastern and central parts will start mostly dry and clear, however extensive low cloud, hill fog and patchy rain will move in from the west overnight.

Monday

Starting rather cloudy with rain across central and eastern parts, but this will become increasingly confined to eastern Scotland. Otherwise mostly dry with sunny spells developing, but some showers possible.

Outlook for Tuesday to Thursday

Dry with variable cloud and sunny spells for most, and becoming very warm in parts of the south and west by Thursday. Cloudier in the northeast with showers at times.

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UK Físeán Réamhaisnéise

Réamhaisnéis UK Uasdátaithe an uair dheireanach 17:26, Dé Domhnaigh 14 MFómh Is i mBéarla amháin atá fiseáin réamhfhaisnéise ar fáil