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Hello. A very mild start to the week. | 0:00:02 | 0:00:03 | |
A spring-like look and feel to things, especially in some sunshine. | 0:00:03 | 0:00:06 | |
And in fact, with 16.6 Celsius, | 0:00:06 | 0:00:09 | |
Monday was Northern Ireland's warmest day of the year so far. | 0:00:09 | 0:00:12 | |
And on Tuesday, south-east England could see 18 Celsius or more | 0:00:12 | 0:00:15 | |
for the UK's highest temperature of the year so far. | 0:00:15 | 0:00:18 | |
But contrast those scenes with this. | 0:00:18 | 0:00:21 | |
A house encased in ice on the shores of Lake Ontario in New York State | 0:00:21 | 0:00:25 | |
after several days of arctic winds. | 0:00:25 | 0:00:26 | |
And my gran used to say | 0:00:26 | 0:00:28 | |
what they get in the USA eventually comes to the UK. | 0:00:28 | 0:00:30 | |
We're not going to see this, | 0:00:30 | 0:00:32 | |
but the weather in the north-east of the USA | 0:00:32 | 0:00:34 | |
will impact our weather pattern later this week, | 0:00:34 | 0:00:37 | |
as I'll show you in a moment. | 0:00:37 | 0:00:39 | |
But first to our weather for Tuesday. | 0:00:39 | 0:00:41 | |
High pressure giving us fine conditions, | 0:00:41 | 0:00:43 | |
just being squeezed a little bit to the south, | 0:00:43 | 0:00:45 | |
allowing a weak weather front | 0:00:45 | 0:00:46 | |
to take some patchy rain through parts of northern England | 0:00:46 | 0:00:49 | |
and Wales to begin the day. | 0:00:49 | 0:00:50 | |
Following that, brighter skies for Scotland. | 0:00:50 | 0:00:52 | |
Plenty of showers in the far north, | 0:00:52 | 0:00:54 | |
with strong winds gusting in excess of 70mph, | 0:00:54 | 0:00:57 | |
giving an impact on travel here. | 0:00:57 | 0:00:59 | |
Central and eastern parts of England seeing the best of the sunshine. | 0:00:59 | 0:01:02 | |
And again, that possibility of 18 Celsius or more | 0:01:02 | 0:01:04 | |
in south-east England. | 0:01:04 | 0:01:06 | |
Now, as we go into Wednesday, | 0:01:06 | 0:01:07 | |
high pressure is allowed to bulge back northwards again, | 0:01:07 | 0:01:11 | |
so a lot of dry weather. | 0:01:11 | 0:01:12 | |
Rather cloudy, though, in southern England, South Wales, | 0:01:12 | 0:01:14 | |
across Northern Ireland, | 0:01:14 | 0:01:16 | |
and northern Scotland, with some outbreaks of rain coming back. | 0:01:16 | 0:01:18 | |
Looks like the lion's share of the sunshine | 0:01:18 | 0:01:20 | |
will be in northern and eastern England on Wednesday. | 0:01:20 | 0:01:22 | |
On Thursday, many of us starting dry. | 0:01:22 | 0:01:25 | |
A weather front weakening as it pushes southwards. | 0:01:25 | 0:01:27 | |
But there are stronger weather fronts | 0:01:27 | 0:01:29 | |
and weather systems to come | 0:01:29 | 0:01:30 | |
as our weather turns more active at the end of the week | 0:01:30 | 0:01:32 | |
and for the weekend. | 0:01:32 | 0:01:33 | |
Why? Well, we go back to what's going on in the USA. | 0:01:33 | 0:01:36 | |
And this is the big picture for Tuesday. | 0:01:36 | 0:01:38 | |
This is a nor'easter. | 0:01:38 | 0:01:39 | |
It's a storm that drags loads of moisture in to cold air | 0:01:39 | 0:01:42 | |
in place in the north-east of the USA, | 0:01:42 | 0:01:44 | |
producing copious snow, up to 20 inches in New York, | 0:01:44 | 0:01:47 | |
with a blizzard warning in force for New York City. | 0:01:47 | 0:01:50 | |
And clearly, there's a load of cold air in place | 0:01:50 | 0:01:52 | |
across Canada and the USA. | 0:01:52 | 0:01:54 | |
Quite a tight thermal gradient, | 0:01:54 | 0:01:56 | |
that's the change of temperature over a distance, | 0:01:56 | 0:01:59 | |
not just at the surface, | 0:01:59 | 0:02:00 | |
but higher in the atmosphere at jet stream level. | 0:02:00 | 0:02:02 | |
And the jet stream thrives off that thermal gradient. | 0:02:02 | 0:02:05 | |
And as that comes out of North America and across the Atlantic | 0:02:05 | 0:02:08 | |
going through this week, the jet stream gets stronger, | 0:02:08 | 0:02:11 | |
takes a more direct track towards the UK, | 0:02:11 | 0:02:13 | |
taking weather systems our way, turning things cooler as well. | 0:02:13 | 0:02:16 | |
Not going to see a huge amount of snow, | 0:02:16 | 0:02:18 | |
but I think snow is likely, again, in the Scottish hills for a time. | 0:02:18 | 0:02:21 | |
But what most of us will notice | 0:02:21 | 0:02:23 | |
is weather systems coming right across the UK, | 0:02:23 | 0:02:25 | |
the end of the week and into the weekend, | 0:02:25 | 0:02:27 | |
with stronger winds, lower temperatures | 0:02:27 | 0:02:30 | |
and, of course with these, wetter weather for many of us. | 0:02:30 | 0:02:32 | |
So, here's Friday. | 0:02:32 | 0:02:33 | |
The first of these more powerful systems on the stronger jet stream | 0:02:33 | 0:02:37 | |
diving south-eastwards across the UK, | 0:02:37 | 0:02:39 | |
last to get into south-east England. | 0:02:39 | 0:02:41 | |
Notice those temperatures coming down. | 0:02:41 | 0:02:43 | |
And then a windy picture at the start of the weekend. | 0:02:43 | 0:02:46 | |
If you're not getting rain, you will get some showers at some stage. | 0:02:46 | 0:02:50 | |
But then going into the start of next week, it looks like | 0:02:50 | 0:02:53 | |
although there are weather systems still coming our way, | 0:02:53 | 0:02:57 | |
they may not be as powerful | 0:02:57 | 0:02:58 | |
and there will be bigger gaps developing | 0:02:58 | 0:03:00 | |
in-between these weather systems, | 0:03:00 | 0:03:02 | |
so although there will be spells of wind and rain, | 0:03:02 | 0:03:04 | |
particularly across northern parts of the UK, | 0:03:04 | 0:03:07 | |
next week, there'll be drier, brighter spells | 0:03:07 | 0:03:09 | |
that may last a bit longer in-between. | 0:03:09 | 0:03:11 | |
With the drier, brighter spells, | 0:03:11 | 0:03:13 | |
it could turn quite chilly, with a touch of frost. | 0:03:13 | 0:03:15 | |
But overall, although temperatures are up and down, | 0:03:15 | 0:03:17 | |
they are looking quite average. | 0:03:17 | 0:03:19 | |
So, there you are. | 0:03:19 | 0:03:21 | |
A hint that what's happening in the USA | 0:03:21 | 0:03:23 | |
may just have an impact on our weather for a time. | 0:03:23 | 0:03:26 | |
Maybe my gran was onto something after all. | 0:03:26 | 0:03:28 |