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Saturday 30 August Published at 20:55
Issued by the Met Office
Saturday 30th August 2014
There are currently no weather warnings in force across the UK. Updates will appear here.
About the Met Office Weather Warnings
BBC Weather carries two types of weather warnings issued by the Met Office: Warnings and Alerts.
Warnings will be issued when severe weather is expected within the next 24 hours.
Alerts 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 Alert 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 Alert 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
Monday 25 August Published at 10:00
That was the summer that was?
With some of us waking up to a frost at the weekend and a wet Bank Holiday to follow, it seems that summer has already been and gone. Indeed the stats will almost certainly confirm that after a warm June and July, August has ended up cooler than average - the first below-par month since last November.
Looking back, it seems that the arrival of ex-Hurricane 'Bertha' earlier in the month jolted the weather pattern into this autumnal mode. Bertha's successor - Cristobal - is now spinning herself up off the coast of the USA. Maybe she will contribute to another switch in our fortunes as the month turns...
Monday 25 August—Sunday 31 August
Briefly fine before the wind and rain return
Ironically the best of the weather to start the week has been in Scotland - where it wasn't a Bank Holiday! The dampness further south lingers on, but for a time through the middle of the week, a ridge of high pressure will give plenty of dry and bright weather. Pleasant too, with light winds and some sunshine, although the nights are chilly enough for a touch of frost in the glens.
After midweek, we look to the west for the next low pressure area to arrive, bringing further outbreaks of rain on a blustery wind.
By the weekend, the low will probably end up virtually on top of us. So although there will be some glimpses of late-summer sunshine, showers will never be too far away. Certainly no sign of much warmth to end the month.
Monday 1 September—Sunday 7 September
'Cristobal' may be crucial
The low pressure may linger across the east, giving a few more showery days here. Meanwhile we forecasters will be looking closely at the western Atlantic and the behaviour of the remnants of 'Cristobal'. By this stage it will probably have wandered far enough north to be interacting with the jet stream.
Rather like jolting a skipping rope, the downstream ripples can be hard to predict.
One possibility is that Cristobal will throw up a large ridge of high pressure ahead of her, this ridge easing to the west of the UK through the first few days of September.
Monday 8 September—Sunday 21 September
The equinox approaches
With the children back to school, there's no disguising the fact that the seasons are changing. Indeed it won't be long before the nights are as long as the days. Weatherwise, that doesn't mean that we have to give up on the prospect of some warmth.
Given the uncertainties surrounding Cristobal, it would be unwise to be too prescriptive at this range. So expect both rain and shine. Nights will get chilly when the skies clear, but they may not be clear for long - we're heading to the season of mists (and mellow fruitfulness) of course.
The harvest is coming to an end. Will the weather help all to be safely gathered in?
Monthly forecastingThe 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 1 September
Saturday 30 August Published at 15:36
Showers dying out overnight. Mainly dry tomorrow.
This Evening and Tonight
Showers lingering through the evening will clear from most parts overnight, to leave a mostly dry night with some clear spells. A few light showers may persist over the north and west though. Winds falling light by dawn.
Mainly dry with some bright spells at times. Clouding over from the northwest later with rain spreading into Northern Ireland and western Scotland during the evening.
Outlook for Monday to Wednesday
Cloud and patchy rain on Monday will spread southeastwards across the UK. Thereafter, a good deal of dry weather with variable amounts of cloud and occasional spells of warm sunshine.