18/08/2016 Weather for the Week Ahead


18/08/2016

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If you've been with me so far this week you'll know our weather

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is set to get a bit more disturbed as we head into the weekend.

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Stirring things up is a jet stream,

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which is springing into life across the North Atlantic

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at the moment after the recent heat across the US,

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and it's where we see this little kink in the jet stream.

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At the base of that, an area of low pressure which will develop

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further as we go through Thursday and into Friday.

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It's a little bit away at the moment, admittedly,

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and we start Thursday with this weather front - this is what

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brought the thundery downpours to end Wednesday across

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some southern and western areas.

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Zone of cloud, some occasional rain here, especially in the morning.

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Just one or two showers later on, most will have a dry day.

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And even further north, after some morning low cloud,

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some good sunny spells winning through.

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Not quite as warm as it has been through recent days

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but we can still see temperatures of 22-25 Celsius quite easily -

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away from those eastern coasts, that is.

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Still a south-easterly breeze here.

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Going into the night, dry here, in fact,

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through Thursday night into Friday,

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but that area of low pressure I mentioned is sending

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a forward band of rain ahead of it, starting to push into Ireland,

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Wales and the south-west of England as we start Friday morning.

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Temperatures holding up across the south,

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little bit cooler further north.

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It'll be the far north of Scotland best favoured

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for the driest, brightest weather throughout.

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If you start with some morning brightness, it won't last all day.

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Bands of rain erratically pushing their way northwards and eastwards.

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Bands in that it won't rain all day long for many of you -

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still some drier, brighter moments,

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especially across the south-west later on.

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But note the temperatures -

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after starting the week above average,

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we're back below average for the time of year.

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Now, those weather fronts are all linked into that area

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of low pressure I mentioned. Here it is behind.

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It sets up stall into the weekend.

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It's an unseasonably deep low pressure for this time of year,

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more of an autumn chart than a late summer one.

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Wrapped around it, some weather fronts bringing some longer

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spells of rain but essentially,

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as far as rainfall amount is concerned, it will be fairly varied.

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Sunshine and showers, some seeing more rain than others.

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The big story will be the strength of the wind,

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England and Wales especially,

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and particularly around these southern and western coasts.

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Gale-force winds and some rough seas.

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So if you have any outdoor plans, keep tuned to the forecast -

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there may be some problems, may be some disruption,

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and temperatures again only high teens, low 20s at best.

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The windy weather with occasional rain lasts through Saturday night

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into Sunday but low pressure pushes off towards Denmark and then

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through Sunday, ridge of high pressure tries to build in.

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Still got some blustery winds across the country on Sunday but frequent

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showers to begin with, become a little less frequent later on.

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Some drier and brighter weather in the west.

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But because those winds were a north-westerly direction,

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temperatures won't pick up too much.

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You need to be out the breeze in the sunshine, which is still

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strong enough this time of year to feel the full benefit of the warmth.

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And it's just a temporary ridge of high pressure because

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through Sunday night into Monday,

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another deep low out to the west throws these weather fronts our way.

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Exactly how far eastwards they get a bit uncertain at the moment,

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and it could be that some eastern parts of the country stay dry

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and bright through much of the day, reasonably pleasant.

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Elsewhere clouds, outbreaks of rain,

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but we could start to bring in something a little bit warmer,

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especially towards the south-east, for a time.

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And then next week we see these weather fronts just scoot up

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the western portion initially.

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This low pressure still driving things but with it sitting there,

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we will see some further areas of rain work their way,

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especially across northern and western parts of the country,

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maybe some breezy conditions to go with it.

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The further south and east you are, can't rule out some rain at times.

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Always a little bit drier and brighter and still every

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chance that every now and again we could bring in something warmer too.

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Jay Wynne will keep you updated over the coming days. Bye for now.

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