Aimsir An Rìoghachd Aonaichte


An Rìoghachd Aonaichte


Disathairne 29 An t-Samhain Air fhoillseachadh aig 00:24 uairean

Rabhaidhean airson an RA

Rabhadh aimsir

Bho Oifis na Sìde

Chan eil seo ri fhaighinn ach ann am Beurla a-mhàin

Saturday 29 November

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

Rabhadh Tuil

Bho Buidheann na h-Àrainneachd no SEPA ann an Alba agus Natural Resources Wales sa Chuimrigh

Chan eil seo ri fhaighinn ach ann am Beurla a-mhàin

Saturday 29 November

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

Mu Rabhaidhean Aimsir Oifis na Sìde

Tha dà sheòrsa rabhadh aimsir bho Oifis na Sìde rim faotainn air Aimsir a' BhBC: Rabhaidhean agus Ro-rabhaidhean.

Thèid Rabhaidhean a thoirt nuair a tha dùil ri fìor dhroch aimsir taobh a-staigh na h-ath 24 uair.

Thèid Ro-rabhadh a thoirt barrachd air 24 uair air thoiseach air fìor dhroch aimsir.

Tha trì ìrean de thachartasan sìde ann, Dearg, Buidhe Shoilleir agus Buidhe - 's e Dearg as miosa.

Tha an aon ìre teinne aig Rabhadh agus Ro-rabhadh den aon dath ach tha dùil ris an droch aimsir aig amannan eadar-dhealaichte. Le sin, 's e an aon diofar eadar Rabhadh Dearg agus Ro-rabhadh Dearg an ùine mus tig an droch aimsir.

Nuair a tha Rabhadh ann tha làn fhiosrachadh ri lorg aig Rabhaidhean (Aimsir) Oifis na Sìde

Mu Rabhaidhean Tuil

Tha rabhaidhean tuil air an gairm le Buidheann na h-Àrainneachd, Buidheann Dìon Àrainneachd na h-Alba agus Natural Resources Wales, agus air an cur gu Ionad na h-Aimsir aig a' BhBC. Tha sinne an uair sin a' sgaoileadh geàrr-chunntas de na rabhaidhean stèidhichte air an fhiosrachadh as ùire a tha ri fhaighinn. Nuair a tha rabhaidhean mu dhroch thuiltean ann, thèid iad cuideachd an craoladh air an telebhisean.

Faigh a-mach tuilleadh mu Rabhaidhean Tuil

Tha grunn dhòighean ann airson faighinn a-mach a bheil cunnart tuil anns an sgìre agad. Tha Buidheann na h-Àrainneachd, Buidheann Dìon Àrainneachd na h-Alba agus Natural Resources Wales ag ùrachadh nan rabhaidhean aca 24 uair gach latha tro àireamh Floodline.

Floodline - 0345 988 1188

Sealladh mìosail

Diluain 24 An t-Samhain Air fhoillseachadh aig 10:00 uairean

Sealladh mìosail

Chan eil seo ri fhaighinn ach ann am Beurla a-mhàin

A cold chapter starts a mild story

The first two weeks of November continued the unsettled theme of much of October, and not much has changed in the past week with colder interludes relatively limited. Many of you will have noticed that we started this new week on a rather crisp, frosty note, and in fact Monday morning was one of the coldest of autumn so far. This is not a sign of things to come however; while we are expecting a few relatively chillier days initially, by the end of this week it's likely to be on the mild side once again.

Thanks to a rather wandering jet stream the weather that we have had recently hasn't all arrived with gusto from the Atlantic, and on Tuesday this week we'll be watching a weather system bringing rain into the UK from the south. As we head into December though, there are signs that the jet stream should start to straighten itself out again, allowing Atlantic low pressure systems to make more determined progress past the UK. A straighter jet stream will depend on how developments in the upper atmosphere pan out this week, but one thing looks likely: there are no strong signals for snow other than over the mountain tops.

Diluain 24 An t-Samhain—Didòmhnaich 30 An t-Samhain
Scrapers at the ready

For much of the UK on Monday it will be dry and sunny after a frosty start, although morning fog may take time to clear from some spots. A relatively weak weather front will bring cloud and some rain into Northern Ireland and then western Scotland through the day. This front will come to rest on Monday night over southern Scotland and northern England. Elsewhere, it will turn frosty again under clear spells with fog patches reforming.

Through Tuesday and Wednesday it will be cloudier and feeling chilly, with many parts away from the northwest of the UK seeing some rain thanks to a weather system moving northwards across the country. Northwest UK will escape much of the rain through midweek.

Much of the country on Thursday will be drier and brighter again, although a new weather front will be starting to push into the far west later, bringing increasing cloud and strengthening winds. This front will bring outbreaks of rain and strong winds across the west on Friday, but will also draw mild air northwards ahead of it. This will lead to a less chilly end to the week, especially in the east where the dry and bright weather should last through Friday. However the southerly winds will reach gale or severe gale force at times in the west and northwest.

Into the weekend, the rain and strong winds will push slowly eastwards, although with southeastern areas not expected to see much rainfall. Nights will be milder too, with the frost risk much lower than at the start of this week.

Diluain 1 An Dùbhlachd—Didòmhnaich 7 An Dùbhlachd
A more determined jet stream

As discussed here earlier this month, at this time of year changeable weather is not unusual. As the northern hemisphere's temperature patterns adjust more noticeably, it causes the jet stream to become more active and thus exert more of an influence over the British Isles. Each time an Atlantic low crosses the UK, colder air from northern latitudes is given the opportunity to dig down behind the departing low. So even if the average signal from computer models is for westerly winds, that can easily mask short interludes with winds from a more northerly direction.

As the jet stream starts to try and straighten out and take a more directly eastward route across the Atlantic, it will help to drive spells of occasionally heavy rain across the country, with gales in exposure at times. The milder conditions associated with the wind and rain will be interspersed with sunnier, showery and colder weather, as the wind switches around before the next weather system arrives. Some wintry showers over the mountains in the north are possible during the colder interludes, as well as frost and fog, but averaged out it looks like the first week of December will see temperatures close to normal for the time of year.

Diluain 8 An Dùbhlachd—Didòmhnaich 21 An Dùbhlachd
Snow joke, there'll be little

At the time of writing there is no strong signal for any particular weather pattern to dominate during this period. Currently, the most likely scenario is for a continuation of unsettled and, at times, windy weather, especially in western parts of the UK, with eastern parts seeing the best of any dry weather. Temperatures are generally expected to remain around, or a little above, average for the time of year, although there will still likely be a chance of some frost and fog in places by night. This presently looks more likely across northern areas, where there is also a chance of some snow on higher ground.

An ath sheachdain

The most important monthly outlook of the year? A first glimpse at whether it'll be a white Christmas...

Tuairmse aimsir mìosail
Tha e doirbh fiù 's don neach as eòlaiche tuairmse a thoirt air an aimsir barrachd air seachdain air thoiseach. Tha modailean iomadh-fhillte bho Oifis na Sìde agus bho Ionad Eòrpach airson Tuairmsean Aimsir Meadhan-ùineil (ECMWF) air an ruith airson a' mhìos (agus an ràith) air thoiseach, a' togail dealbh de aimsirean eadar-dhealaichte a dh'fhaodadh a bhith buailteach buaidh a thoirt air an RA.

An ath ùrachadh aig 10:00 uairean, Diluain 1 An Dùbhlachd


Dihaoine 28 An t-Samhain Air fhoillseachadh aig 14:43 uairean


Chan eil seo ri fhaighinn ach ann am Beurla a-mhàin

Most places dry tonight with large amounts of cloud.
This Evening and Tonight

It will be largely cloudy for many central and northern parts of the UK, with outbreaks of light rain continuing in the northeast. Some clearer spells are likely across the south, although there may also be a few showers.


It will become increasingly sunny and mild across many southern parts, with the mildest conditions in the southwest. Remaining generally cloudy in the north with further patchy rain.

Outlook for Sunday to Tuesday

A colder day for many on Sunday with fog patches in the south lingering for some. Rain moving southeast on Monday, clearing Tuesday morning, leaving colder, brighter conditions. Becoming windier.

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UK Bhidio na h-Aimsir

Aimsir aig UK uairean Air ùrachadh aig 23:44, Dihaoine 28 Sam Chan eil bhidiothan aimsir rim faighinn ach ann am Beurla