16/03/2018 Weather for the Week Ahead


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16/03/2018

Detailed weather forecast.


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Hello. If you remember nothing else from the next few minutes

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of meteorology,

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please remember that the weekend

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will be a real shot of winter,

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but before that we are still looking towards the Atlantic,

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a relatively mild source of weather, to see what is going to

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go on for most of us during the course of Friday.

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It is still very much about

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a weather front which seems to

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have stalled with intent

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across the eastern side of Scotland,

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central parts too and into the north-east of England

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and it will be joined eventually from the south by another

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weather front bringing the prospect of some pretty hefty showers.

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But at least behind that, there is some sunshine to be had

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for the greater parts of England and Wales

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and a bit of warmth as well.

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From Friday into Saturday, it is

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quite significant that the low-pressure drifts away

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and we begin to look

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to the main event of the weekend,

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that high pressure over Scandinavia,

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which, eventually, will start to

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throw really cold air at us,

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across all parts of the British Isles.

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Riding on that stream of cold air, and there'll be

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plenty of wind through the weekend.

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There will be snow showers,

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not just across eastern parts, I think some of them, given

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the strength the wind, will make it

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right across towards the Welsh mountains.

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So if you are a thinking

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about moving about over the weekend,

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think about snow and ice.

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There will be some disruption, I am sure, over the next few days.

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So BBC local radio will keep you right up-to-date on that.

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Now, Sunday, don't take this too literally,

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but forget about showers for

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southern parts of the British Isles,

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because I think there'll be a more

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organised area of cloud

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and snow working its way

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across the southern half

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of the British Isles.

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Don't take it too literally because we're not sure

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whether it will be a bit higher,

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it could be a bit lower.

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We're not exactly sure, but wherever you are spending the weekend,

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it will be bitterly cold.

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Add in the strength of the wind,

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it could feel like -5, -6, -7.

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Eventually, that more organised belt of weather

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gradually pulls away into the south-western approaches

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and the high pressure begins to drift away from Scandinavia

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and becomes very much ours.

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That is quite important

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because it cuts off the flow

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of really cold air from Scandinavia

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and Siberia and we begin to see something of a sea track

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and that, at this time of year,

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believe it or not is relatively mild.

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Certainly compared to what is going on across Scandinavia and Siberia.

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So it looks as though through Monday,

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we will see some onshore winds

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dragging wintry showers

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across the high ground,

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North York Moors, for example,

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but the temperatures

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just beginning to recover a touch

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from that bitterly cold weekend.

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We keep that process going through Tuesday.

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The isobars just beginning to open up, so not so much

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in the way of wind for the greater part of the British Isles.

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You may not escape that down across East Anglia and the south-east.

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Still a keen northerly wind.

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Never a warm direction.

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But at least things are beginning to settle down

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and notice the temperatures -

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7, 8, 9. Back into double figures

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for the favoured few, perhaps,

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in the Greater London area.

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And on into the outlook period,

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at last we begin to see the process of the Atlantic

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really winning out and as a consequence of that,

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on occasion there will be shots of relatively mild air.

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So the weekend -

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really a short, sharp shock.

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Because even as far north

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as Inverness,

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as we get on towards Wednesday and Thursday,

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we'll be pushing towards double figures

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and we will certainly have achieved that

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elsewhere across the British Isles.

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Things, eventually, post the weekend, will turn less cold,

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but because we're seeing an influence from the Atlantic,

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they will be unsettled and, at times, some of those low

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pressures will bring some very wet and some very windy weather.

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Good night.

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