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Warnings

Saturday 24 January Published at 10:21

UK Warnings

Weather Warning

Issued by the Met Office

There are currently no warnings in force across the UK.

Updates will appear here.

Flood Warning

Issued by the Environment Agency or by SEPA in Scotland and Natural Resources Wales in Wales

Saturday 24 January

There are no flood warnings in force anywhere in the United Kingdom.

About the Met Office Weather Warnings

BBC Weather carries two types of weather warnings issued by the Met Office: Warnings and Early Warnings.

Warnings will be issued when severe weather is expected within the next 24 hours.

Early Warnings will be issued more than 24 hours ahead of severe weather.

There are three categories of event Red, Amber and Yellow - the most severe is Red.

A Warning and an Early Warning of the same colour have the same severity but are forecast to arrive at different times. Thus, the difference between a Red Warning and a Red Early Warning is the lead time of the event.

When a warning is in force, full information can be found at Met Office Weather Warnings

About Flood Warnings

The flood warnings are issued by the Environment Agency, the Scottish Environment Protection Agency and Natural Resources Wales, and sent to the BBC Weather Centre. We then issue a compendium of warnings based on the latest information available. When severe flood warnings are issued they will also be highlighted on TV broadcasts.

Find out more about Flood Warnings

There are a number of ways you find out whether your area is at risk from flooding. The Environment Agency, the Scottish Environment Protection Agency and Natural Resources Wales update their warnings 24 hours a day via the Floodline number.

Floodline - 0345 988 1188

Monthly Outlook

Monday 19 January Published at 10:00

Monthly Outlook

Summary
Some proper winter weather! But for how long?

January started very mild and very wet but more recently a colder theme has returned to UK shores with a fairly frequent occurrence of frost, below average temperatures and even some snow.

Official overnight temperatures (which run from 1800 - 0600 the following morning) from Sunday night into Monday fell to -12.5 C at Loch Glascarnach and Tullouch Bridge. Thereafter temperatures continued to slide away and reached -13.1 C at Tulloch Bridge. We did not quite reach the record of the most recent coldest night of -13.6 C in 2013 in Janruary.

The next question is how long the cold air will stay around and in what way the milder air from the Atlantic will reach us. How will the weather be affected as we make a transition from colder air towards more normal temperatures? Well, let's take a look.

Monday 19 January—Monday 26 January
Brrrrrrr keep the winter woolies to hand.

As we plod through January, we are drawn even further into the throws of our coldest season and a wintry chill will hang in the air right the way through the week.
Monday will be dry, cold and frosty with many areas only slowly recovering to above freezing during daylight hours. A few wintry showers are likely to affect some coastal fringes but for most of us it will be dry and cold despite any sunshine on offer.
Another cold night will follow on Monday night and frosty conditions will prevail. However, across Northern Ireland a cloudier night is expected as a weakening front slowly arrives in from the west. This will fall as a wintry mixture of rain, sleet and snow, decaying as it moves eastwards.
The front will continue to progress slowly eastwards into Britain on Tuesday, introducing areas of cloud and a weakening wintry mix of rain, sleet and snow. The front is not expected to clear eastern areas until Wednesday. This should lead on to a mostly dry end to the week. Regardless of the weather type this week, our overnight temperatures will drop away below freezing and daytime temperatures will work terribly hard to get back up above freezing!
As we approach the weekend, we start to see the various computer models diverge as to what is expected to happen next. Saturday and Sunday herald the slow change from our very cold conditions as the Atlantic shows hints of becoming more gently mobile, allowing frontal system to seep in from the west.

Monday 26 January—Monday 2 February
Would you bet on what the weather will be?

Computer models continue to differ in their detail for their solutions for next week, but in general they are signalling a more mobile weather pattern. Temperatures will start to recover towards normal for the time of year and we are likely to see longer spells of rain, with snow being confined to hills and mountains. North western areas are expected to receive the bulk of the rain, while drier conditions are expected to occur more frequently in the south-east.

Monday 2 February—Monday 16 February
Pick a card, any card - sun, rain, snow or ice?

As with any long term forecast, the various model solutions create a challenge to identify the weather pattern type that we can expect. Whilst there is divergence in what the models say, the general trend is for a 'zonal pattern'. A zonal pattern is where we see west to east movement of weather systems. This implies that rain will move through relatively quickly, as will quieter drier and colder interludes and there will be greater day to day variation in wind, temperature, sunshine and rainfall.

Next week

Find out how well the various computer models handled the change for the coming weekend towards less cold conditions. As this outlook takes us to the middle of February, it will be of much interest to see what signals the start of spring will bring.

Monthly forecasting
The weather beyond about a week ahead stretches even the most experienced weather forecaster. Complex numerical weather forecast models from the Met Office and the European Centre for Medium-Range Weather Forecasts (ECMWF) are run many times for the month (and season) ahead to build up a picture of the likelihood of different weather types affecting the UK.

Next update at 10:00, Monday 26 January

Summary

Sunday 25 January Published at 02:37

Summary

Generally cloudy. Some outbreaks of rain, mainly north and west.
Today

Cloudy for most, but cold with clear spells in southeast England at first. Cloud then spreading to all parts, with outbreaks of rain across northern and western parts. A heavy band of rain arriving into the far northwest by evening.

Tonight

Cloudy and mild with a band of rain moving southeast across the UK, reaching the southeast shortly before dawn. Colder, breezier conditions with scattered wintry showers following from the northwest.

Monday

Cloud and rain clearing the far southeast around lunchtime. Scattered wintry showers across Scotland and Northern Ireland easing through the morning to become less frequent. Dry with sunny spells elsewhere.

Outlook for Tuesday to Thursday

Cloud and rain in the north, spreading south Tuesday. Remaining unsettled Wednesday and Thursday, with outbreaks of rain and blustery showers turning increasingly wintry, and with strong winds. Becoming cold.

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UK Forecast Video

UK Forecast Last updated 08:48, Sunday 25 Jan