23/04/2016 Weather for the Week Ahead


23/04/2016

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Hello. This has been a week of temperature contrasts -

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warm in any spring sunshine, cold in the cloud and the wind.

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And that's the story as we go over the next few days.

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In actual fact, for the start of this weekend,

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it will gradually start to feel colder,

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we'll see sunshine and showers, mostly out towards the east,

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but through the night, with clearer skies,

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frost could be more of an issue.

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This graph shows where we are.

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At the end of April and into May

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temperatures across the UK

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average out at about 14 degrees.

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For the start of this weekend we're just below average in terms of feel,

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by the time we get to Tuesday and Wednesday,

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a really colder feel here,

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before we revert back to around just below average

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into next weekend.

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More on that to come in just a moment,

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but for the start of the weekend,

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high pressure's still influencing the story.

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We've still got this northerly flow so an exposed North Sea coast,

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that's where it's always going to feel colder,

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and that's where the risk of showers will be as well.

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A good deal of usable weather, certainly further west -

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dry and predominantly sunny,

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and here, in a little more shelter, it won't feel quite as bad.

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Particularly for the south-west,

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where we had a lot of cloud and rain on Friday -

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12 or 13 degrees the high.

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But on those exposed North Sea coasts,

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6 to 9 degrees at the very best.

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The clearer skies dominate through Saturday night into Sunday,

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a widespread frost likely in rural parts

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as temperatures fall below freezing, and that is going to be

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a shock to the system if you're up and off early on,

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especially for those waiting on the start line for the London Marathon.

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It's going to be a sunny start, but a chilly one.

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Eventually on Sunday we could see a little more cloud

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and some showers spilling down from the north-west,

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and it will feel a little bit colder as well on Sunday.

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Top temperatures likely to be between 6 and 12 degrees.

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Now, the real cold air set to arrive as we move into Monday and Tuesday

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behind this weather front

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that's slowly meandering its way steadily southwards.

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I suspect it will be a slightly windier day as well

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as we go into Monday -

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that's just going to exacerbate that colder feel to things.

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Again, sunny spells and scattered showers,

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but we run the risk of seeing these showers turn increasingly wintry

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at lower levels, particularly through the night - 6 to 12 degrees.

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So there could be some slushy deposits first thing in the morning.

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If you get some sunshine, that'll melt it away pretty readily.

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We're not expecting it to cause too much of an issue,

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but it's worth bearing in mind that we could see a rash of showers,

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some of these turning increasingly wintry,

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and add on that cold northerly wind, it's going to continue to feel

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pretty disappointing for this time of year.

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Not much change in the weather story as well as we go into Wednesday -

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we still keep the wind direction from the north,

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we still run the risk of some showers.

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But the showers should be few and further between, I suspect,

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on Wednesday, and again, highs of 7 to 13 degrees.

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How long is this weather pattern set to last?

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Well, it does look as though we could see a change into early May.

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Now, we've had this amplification in the jet stream

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and it's been sitting in a northerly direction right across the country,

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dragging in this colder Arctic air.

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The mild air out to the west all the time,

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it looks as though high pressure is set to build from the west,

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an Atlantic influence returning,

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and so the winds will swing more round to a westerly

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as we approach the early half of May.

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So fingers crossed, it looks as though we're set for something

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just that little bit milder, drier.

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There will be some showers around, but also some sunshine,

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and feeling better in the sun.

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That's it - enjoy.

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