15/03/2018 Weather for the Week Ahead


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15/03/2018

Detailed weather forecast.


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Hello. Thanks very much for joining me.

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I'm sure you know how this show works by now -

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we give you some detail about the next five days

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and then we'll take a look at some of the themes that we expect to see

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in the forthcoming week. In the short term,

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our weather very much dominated by this area of low pressure,

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the attendant front gave a wet spell of weather for Northern Ireland

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and the southwest of England.

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As we get towards lunchtime on Thursday,

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that same weather front will have

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moved up into the Borders

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of Scotland, eastern England,

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brighter skies following behind,

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but quite a raft of showers,

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and some of those quite heavy,

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maybe a rumble of thunder,

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but temperatures not that disappointing

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if you're away from the weather front.

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If you get sunshine in the southwest, 11, 12 or 13,

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underneath the front, 6, 7 or 8 degrees.

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Not a great deal changes on Friday,

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except we're pushing that front

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further north,

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and as it runs into colder air

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across the hills,

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particularly of northern Britain,

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I think we'll see a conversion

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of some of that rain into snowfall,

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but it will be a high-ground feature.

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Further south, there's sunshine to be had,

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still some spring warmth at this stage,

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but some hefty showers.

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Catch one of those, you'll know all about it.

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Moving towards the weekend,

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and there's a none-too-subtle change

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in our weather, because the low pressure will have drifted away

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towards the Atlantic, and it'll be the big Scandinavian high

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that will be providing a very noticeable

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and noticeably cold wind

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across all parts of the British Isles,

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and there is a chance in that flow

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at this stage

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of seeing some wintry showers,

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especially but not exclusively

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across eastern parts.

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Look at the difference in the temperatures.

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You're well down into single figures

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and we keep the same sort of feel to the day

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as we move from Saturday on into Sunday,

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thanks to that high pressure being very much the dominant feature

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at this stage, and there'll be some strength in that flow

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around the high pressure all the way from Siberia and Scandinavia

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right across the whole of the British Isles,

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but it's exposed eastern and southern areas that will see

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the bulk of the snowfall,

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and there is a chance there could be significant snowfall in the south.

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We've shown it here more towards the Channel. It could come

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a little further north. Remember, we are some way into the future here

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on Sunday. Look at those temperatures.

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1 to 6 degrees

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just about covering it.

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So, this is how we start the new week,

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the high pressure just beginning to

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drift from Scandinavia

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out towards the northern parts

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of the British Isles,

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and therefore, we've got our own

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circulation, and we're not relying

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on a feed from a cold Siberia

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or indeed Scandinavia,

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so whilst there's going to be

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some delay in the rebound in the temperatures,

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first signs of recovery

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already on Monday.

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OK, it's relative,

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it's 4, 5, 6 degrees or so,

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and that's because, slowly but surely,

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we're going to be entraining

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somewhat milder airs from the Atlantic

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and they will come to dominate the British Isles,

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elbowing aside the cold snap

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that many of us will have endured

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during the course of the weekend.

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As we get on into the forthcoming week,

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we will very much be looking towards the Atlantic,

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here is our old friend the jet stream,

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underneath this jet stream, which is well up in the atmosphere,

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we will see a succession of low pressures,

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so, yes, it turns less cold, certainly,

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but whilst that area of jet stream is firing the low pressures

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at us, it will stay unsettled

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and it will often be wet and windy. Bye-bye.

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