Aimsir An Rìoghachd Aonaichte


An Rìoghachd Aonaichte


Disathairne 20 An t-Sultain Air fhoillseachadh aig 08:44 uairean

Rabhaidhean airson an RA

Rabhadh aimsir

Bho Oifis na Sìde

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

Saturday 20th September 2014


This warning is in force for parts of southern Britain.

Further heavy showers and thunderstorms are likely to continue through Saturday and into Saturday evening, with the main risk becoming confined to southern parts of the warning area from late afternoon.

The public should be aware of the potential for isolated disruption due to surface water flooding and lightning strikes.

This is an update to the warning issued on Friday.

Valid until 2100 Saturday.

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 20th September 2014

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

Further updates will appear here.

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 15 An t-Sultain Air fhoillseachadh aig 10:00 uairean

Sealladh mìosail

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

Feeling more like summer!

September so far has been warm and dry, quite a contrast to August which was the coldest since 1993 and the wettest since 2004. That did skew our summer's statistics away from the overall warm and dry theme characterised by June and July, so some may think it quite considerate of September doing August's work. Meteorologically speaking however we're into autumn now and the nights are getting longer and cooler, as we saw last week; the warm afternoons have followed cool and at times misty mornings.

So where might this week take us? Well, perhaps even closer to summer than we've already been enjoying. The reason for the settled weather is a blocking anticyclone which has been sitting over the UK and keeping Atlantic weather fronts at bay. In the last few days it's slipped over to Scandinavia, but continues to dominate our weather and will introduce a continental southeasterly flow across the country. This means temperatures could rise by more than five degrees above average where the sun shines. As we're only in September it's too early to call it an Indian one, but how long will this extension to summer last?

Diluain 15 An t-Sultain—Didòmhnaich 21 An t-Sultain
Temperatures on the rise

Despite this week's overall dry theme for the UK, rain greeted central and eastern parts on Monday morning. This will become increasingly confined to eastern Scotland through today. Otherwise it's mainly fine with sunny spells, but some showers will possible in central and eastern areas. For the rest of the week it will be dry with sunny spells for most, and thanks to that southeasterly flow it will become very warm by Thursday in parts of the south and west. Areas of cloud are expected to continue affecting northeastern parts of the country at times, with some occasional spots of rain or drizzle. There is a chance of some showers in the southwest at times, but these will be isolated, and the fine weather should persist through the weekend.

Diluain 22 An t-Sultain—Didòmhnaich 28 An t-Sultain
The anticyclone's dominance diminishes

Areas of high pressure are known for being stubborn and difficult to shift. Sometimes weather forecast models can be too quick to move on these blocking highs, so such situations can be characterised by noticeable disagreement between different computer models. The presence of a tropical weather system, Edouard, in the Atlantic this week is also likely to add uncertainty into next week's forecast, even though most weather models seem to suggest currently that it will remain in the Atlantic and be steered towards the Azores. All this considered it seems likely at the time of writing that the settled, anticyclonic weather will continue into the first part of next week. It may turn windy and more changeable in the northwest towards the end of next week, with an increasing risk of showers or spells of rain, but the southeast should mostly remain fine.

Diluain 29 An t-Sultain—Didòmhnaich 12 An Damhair
Change of month, change of weather?

It seems fairly common to be writing about a change in weather type as we approach a change in month, and it seems that this forecast will not present an exception to that rule. However, having noted above the tendency for weather models to trend towards a more Atlantic-influenced weather pattern rather more soon than a blocking area of high pressure would wish to allow, confidence is lower for such a change. Nevertheless, model consensus favours somewhat changeable conditions for the end of September and early October, with settled weather interspersed with occasional unsettled spells. The drier periods with some warm sunshine are expected to be most prolonged across the south and east, whilst outbreaks of rain may tend to be most frequent across the north and west. During the more settled conditions daytime temperatures are likely to be around and often above average, although chilly overnight with a risk of fog patches. During any unsettled spells daytime temperatures are likely to be below or close to average.

An ath sheachdain

Will we see a genuine Indian summer?

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 22 An t-Sultain


Disathairne 20 An t-Sultain Air fhoillseachadh aig 04:36 uairean


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

Thundery showers, becoming confined to east. Turning fresher from northwest.

Isolated thundery showers will continue across England, before becoming confined to the east by midday. Elsewhere, a dull start will be followed by a cloudy day with occasional rain or drizzle. However northwestern areas will turn brighter and fresher later.


Dry across the north, with clearing skies leading to a cold night. Milder but also cloudy elsewhere, with isolated rain. However fresher and clearer conditions will spread south by dawn.


A fine day with plenty of sunshine, although rather cloudy at first in the far south. Chilly at first, but feeling warm by the afternoon across southern parts. Light winds.

Outlook for Monday to Wednesday

Fine and often sunny across the south and east. However cloudier with rain at times across northern and western parts. Light winds, but turning windy in the northwest by Wednesday.

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UK Bhidio na h-Aimsir

Aimsir aig UK uairean Air ùrachadh aig 12:55, Disathairne 20 Sul Chan eil bhidiothan aimsir rim faighinn ach ann am Beurla