Saturday morning forecast 27/11/21
27th November - National weather forecast presented by Alex Deakin.
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00:00Hello, welcome to your latest updates from the Met Office.
00:04It's pretty rare that we issue red weather warnings,
00:07but there is one in place through Friday night
00:09for the strength of the winds, of course,
00:12being caused by Storm Arwen.
00:14This red weather warning brings the potential
00:17for very dangerous conditions, unusually strong winds,
00:22and very, very large and powerful waves.
00:24Here is the storm system.
00:26We named it on Thursday morning.
00:28It's heading steadily down through the North Sea,
00:30but look at that squeeze in the isobars there
00:33in its wake across particularly eastern Scotland
00:35and northeast England.
00:37That's where the strongest,
00:38most damaging winds are likely to be.
00:41Let's take a look at the wind gusts then,
00:43gusts of 70 to 80 miles an hour.
00:46Just this little pocket here
00:48as those isobars squeeze together
00:50down the east coast of Scotland
00:52into northeast England for a time,
00:54those gusts of wind, 80, possibly 90 miles an hour,
00:57but also the winds picking up through this evening
00:59and during the night around the Irish Sea coast as well.
01:02So North Wales, West Wales,
01:04and eventually into parts of southwest England.
01:07So as well as the red warning
01:09covering the extreme northeast,
01:11there are two amber weather warnings in place
01:14for the gusty winds.
01:15Let's try and break down the warnings for you.
01:17It is pretty complicated.
01:19There are a lot of warnings in place.
01:20I urge you for more detail on the warnings
01:23to visit the Met Office website.
01:25But that red warning, that rare red warning
01:28extends from Aberdeenshire down into northeast England.
01:32It's particularly the coastal strip
01:34where gusts of wind are likely to reach
01:3680, maybe 90 miles an hour,
01:38very unusual and in an unusual direction.
01:40So those kinds of winds
01:42are gonna cause some structural damage,
01:44bring down trees,
01:45power issues should be expected as well,
01:48and very powerful and dangerous waves as well.
01:52Don't be tempted to head to the coast through this evening.
01:56There is a broader amber warning in place
01:58where gusts of wind of 75 miles an hour
02:01are also likely again.
02:02They could cause some travel disruption
02:04and also potentially some power issues also.
02:07We have bigger yellow wind warnings in place
02:11already in force,
02:12and they last into Saturday as well.
02:15But we also have another amber warning
02:17for Friday nights across north and west Wales
02:20and into parts of southwest England again,
02:22potentially damaging gusts of wind,
02:24likely for further travel disruption in this zone also.
02:28And there are yellow snow warnings in place
02:31down the spine of the country
02:32as the weather turns more and more wintry,
02:35mostly over hills, but even at low levels,
02:37there could be a covering of snow in places
02:40that also obviously brings the risk
02:41of icy conditions on the roads.
02:43So that's the warnings.
02:44Let's take a look at the weather.
02:45You can see this zone of wet weather sinking southwards
02:48with a mixture of rain, sleet and snow
02:50over northern England
02:51and pushing even into southern England
02:53with some snow possible in places here.
02:55You may wake up to a covering,
02:57but it really is the winds that are most likely
03:00to cause the disruption,
03:01really picking up and increasing overnight
03:04down that northeastern, those North Sea coast,
03:07starting to ease a little bit by Saturday morning.
03:10Those winds will actually help to keep the temperatures
03:12maybe a touch above freezing in some towns and cities,
03:15but it's gonna feel very cold throughout Saturday.
03:18And there'll still be wet weather
03:19across parts of central and eastern England,
03:21a mixture of rain, sleet and snow,
03:24not huge amounts of snow expected at low levels,
03:27but there could, as I say, be a covering in places.
03:29And through the day,
03:30wintry showers will keep feeding in on this northerly wind
03:33across northern and eastern Scotland
03:35and the eastern side of England.
03:36Further snow likely,
03:37certainly over the hills of northeast England
03:40during Saturday.
03:41Many Western areas dry,
03:42a few showers maybe for Pembrokeshire and Cornwall,
03:45but much of the West dry and sunny,
03:47but still those winds will be powerful
03:50and potentially causing some disruption.
03:52It'll certainly feel cold in that wind as well.
03:55A thermometer may read three, four, five Celsius,
03:57but it will feel closer to freezing
04:00because of the strength of those winds.
04:01All of course, caused by storm Arwen,
04:03which does finally start to head further south
04:07during Saturday night and into Sunday,
04:09but never completely clears away.
04:11This little bump in the ice bars,
04:13a little ridge of high pressure coming into the West
04:15will bring many a fine day on Sunday,
04:17but the feed of winds still coming in from the North Sea.
04:20So we're still likely to see some showers
04:23across eastern England during Saturday night
04:26and continuing into Sunday.
04:28And as temperatures plummet under those clear skies
04:31and the winds do finally start to ease,
04:33it will be a very cold start and a frosty start to Sunday.
04:36And of course, wherever we've got showers,
04:38that does bring the risk of icy conditions on Sunday.
04:42So Sunday, we'll see further scattered showers
04:45across East Anglia, Lincolnshire,
04:47up towards Newcastle, and one or two showers,
04:49which will be of rain across Pembrokeshire,
04:51Cornwall, maybe into Northern Ireland.
04:53But for many places, it's dry and sunny on Sunday
04:57and with lighter winds,
04:58although it will be very cold and frosty first thing,
05:01temperatures may be just a touch higher than Saturday.
05:04And as I say, because of those winds being a little lighter,
05:07it might just feel a little less bitter.
05:10But there are those warnings in place.
05:13As I say, please go and look for yourself.
05:15There are many warnings in place
05:17and they're constantly being monitored and updated.
05:19So check the Met Office website,
05:21download the app and make sure you're following
05:24the Met Office across social media.