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Hello. Wednesday was a day of classic springtime weather | 0:00:03 | 0:00:06 | |
where we have cold air sitting on top of the UK, | 0:00:06 | 0:00:09 | |
a bit of heat from the sun | 0:00:09 | 0:00:10 | |
that drives the clouds, | 0:00:10 | 0:00:12 | |
spectacular clouds | 0:00:12 | 0:00:13 | |
and we get some vicious downpours | 0:00:13 | 0:00:15 | |
with some thunder and lightning. | 0:00:15 | 0:00:16 | |
Thursday is going to bring further showers, | 0:00:16 | 0:00:18 | |
but not necessarily in the same place | 0:00:18 | 0:00:21 | |
or the same type of showers. | 0:00:21 | 0:00:23 | |
This is what it looks like round about lunchtime. | 0:00:23 | 0:00:25 | |
In fact, this little mini weather front, | 0:00:25 | 0:00:28 | |
if anything, is going to cause cloudier skies, | 0:00:28 | 0:00:30 | |
because on Wednesday, we had sparkling blue skies, | 0:00:30 | 0:00:33 | |
a brief downpour, then sparkling blue skies again. | 0:00:33 | 0:00:35 | |
I think, overall, | 0:00:35 | 0:00:36 | |
Thursday is just going to be a lot more cloudy | 0:00:36 | 0:00:39 | |
across this southern portion of the UK and, actually, | 0:00:39 | 0:00:42 | |
a bigger chance of encountering some rain. | 0:00:42 | 0:00:45 | |
There will be some downpours developing during Thursday, | 0:00:45 | 0:00:47 | |
probably eastern areas most likely to catch the heaviest ones, | 0:00:47 | 0:00:50 | |
with some thunder and lightning, | 0:00:50 | 0:00:52 | |
all the way up into eastern Scotland, in fact, | 0:00:52 | 0:00:54 | |
but a lot better, I'm pleased to say, for Northern Ireland, | 0:00:54 | 0:00:57 | |
which really was plagued by very heavy showers | 0:00:57 | 0:01:00 | |
during the course of Wednesday. | 0:01:00 | 0:01:01 | |
Let's have a look at the weather, then, | 0:01:01 | 0:01:04 | |
Thursday night into Friday. | 0:01:04 | 0:01:05 | |
Still some showers carrying on for a time, at least. | 0:01:05 | 0:01:08 | |
The winds will fall light and with clearing skies, | 0:01:08 | 0:01:10 | |
that means that the temperatures will dip away. | 0:01:10 | 0:01:12 | |
In fact, there's a good chance of a bit of frost | 0:01:12 | 0:01:14 | |
developing across Scotland and parts of northern England, | 0:01:14 | 0:01:17 | |
possibly Northern Ireland too. | 0:01:17 | 0:01:19 | |
That takes us into Friday. | 0:01:19 | 0:01:21 | |
We've got yet another weather front heading our way. | 0:01:21 | 0:01:23 | |
This is it here, approaching the far west of the British Isles | 0:01:23 | 0:01:26 | |
during the course of Friday morning. | 0:01:26 | 0:01:28 | |
Initially, actually, the weather on Friday | 0:01:28 | 0:01:30 | |
isn't going to be bad at all. | 0:01:30 | 0:01:31 | |
You'll be waking up to some sunshine. | 0:01:31 | 0:01:33 | |
Yes, there might be still a few showers left over | 0:01:33 | 0:01:36 | |
from the previous day, but on balance, | 0:01:36 | 0:01:38 | |
not a bad start to the day or lunchtime. | 0:01:38 | 0:01:39 | |
Then, this weather front sweeps in and brings the rain | 0:01:39 | 0:01:43 | |
to places like Belfast, eventually Cardiff, | 0:01:43 | 0:01:45 | |
down into Cornwall, Devon and the rest of the West Country. | 0:01:45 | 0:01:49 | |
Then for the weekend, | 0:01:49 | 0:01:50 | |
if you've been following our outlooks for the week ahead, | 0:01:50 | 0:01:52 | |
we've been predicting that this area of low pressure | 0:01:52 | 0:01:55 | |
is going to establish itself | 0:01:55 | 0:01:56 | |
just to the south-west of our neighbourhood here. | 0:01:56 | 0:01:59 | |
Practically, it'll get stuck here | 0:01:59 | 0:02:00 | |
and that essentially means the weather will remain unsettled, | 0:02:00 | 0:02:03 | |
but doesn't necessarily mean it'll rain every single day. | 0:02:03 | 0:02:07 | |
Be prepared for rain, but there could be a bit of sunshine | 0:02:07 | 0:02:09 | |
and perhaps even a little bit of warmth, | 0:02:09 | 0:02:11 | |
because this low pressure will act to scoop up | 0:02:11 | 0:02:14 | |
some of this warmth that we're seeing across the continent here | 0:02:14 | 0:02:17 | |
and move it in the direction of the UK. | 0:02:17 | 0:02:19 | |
Yes, we're going to be on the cusp of the colder and milder air. | 0:02:19 | 0:02:23 | |
The reason why this weather pattern is stuck here | 0:02:23 | 0:02:25 | |
is because of something that we were talking about yesterday, | 0:02:25 | 0:02:28 | |
an omega block, so it's a pattern | 0:02:28 | 0:02:30 | |
that we recognise in the atmosphere | 0:02:30 | 0:02:32 | |
when the jet stream takes this omega shape | 0:02:32 | 0:02:35 | |
from the Greek alphabet here. | 0:02:35 | 0:02:37 | |
We have the unsettled, stuck weather across one side of the Atlantic | 0:02:37 | 0:02:41 | |
and, actually, we get the same thing | 0:02:41 | 0:02:43 | |
happening across North America, | 0:02:43 | 0:02:45 | |
also a plunge of colder air here | 0:02:45 | 0:02:46 | |
and they're getting their own unsettled weather, | 0:02:46 | 0:02:48 | |
whereas Greenland and Iceland are actually getting | 0:02:48 | 0:02:51 | |
a push of slightly milder air | 0:02:51 | 0:02:53 | |
and these big amplitudes in the jet stream kind of get stuck | 0:02:53 | 0:02:56 | |
and it takes a long time before they shift, | 0:02:56 | 0:02:58 | |
so this low that we've been schematically describing | 0:02:58 | 0:03:01 | |
for next week is still very much in our forecast, still features here, | 0:03:01 | 0:03:05 | |
and brings spells of cloud and rain, but also, remember, | 0:03:05 | 0:03:08 | |
a little bit of warmth coming in from the south as well, | 0:03:08 | 0:03:10 | |
so next week stays unsettled, | 0:03:10 | 0:03:12 | |
but it certainly won't be raining all the time. | 0:03:12 | 0:03:15 | |
There might even be some warmth to that sunshine. | 0:03:15 | 0:03:17 | |
Here's the summary for next week - sunshine and showers. | 0:03:17 | 0:03:20 | |
Remember, the nights will be chilly where the sky is clear | 0:03:20 | 0:03:23 | |
and just a hint of something a little bit warmer | 0:03:23 | 0:03:26 | |
across southern areas of the UK. | 0:03:26 | 0:03:28 | |
That's it, bye-bye. | 0:03:28 | 0:03:29 |