UK weather warning: Chart shows deluge of heavy rain to lash nation – ‘Washout’ on way | Weather | News
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Large parts of the UK have been battered by heavy showers, thunderstorms and even localised flooding in the past 24 hours. The Met Office has issued both yellow and amber warnings – with up to 80mm of rain set to accumulate in some parts of the country by the end of this evening.
The latest weather charts show the wet conditions are set to continue and become even more widespread on Friday.
The Weather Outlook has released updated precipitation models and the charts show almost all of the UK turning blue.
Heavy showers can be seen spreading eastwards across Britain from 9am on Friday, with central areas and the far northeast turning a shade of lime green in the maps – indicating more than 10mm of rain is expected.
Southern parts of England are not expected to see a break in the showers and the region is being described as a “washout” by the weather channel.
The Weather Outlook tweeted: “GFS12z showing a washout Friday in much of the southern half of the UK.
“The rain risk has been spreading northwards in recent updates.”
BBC Weather’s long-range forecast from Wednesday, July 28 to Sunday, August 1 warns of low pressure descending over the country and triggering showers and thunderstorms.
Temperatures are also set to fall below the seasonal average for July.
The BBC Weather forecast says: “Low pressure is expected to be in charge across northern Europe for the rest of this week and beyond.
“As we head toward the weekend though, the central low pressure is expected to drift more over Nordic countries to our east.
“This will provide a cooler northerly flow over the UK and keep temperatures a little below average for late July.
“High pressure to the west will struggle to move overhead, so scattered showers and thunderstorms are expected most days across the country.
“There is a chance for some heavier rain in the southeast near the end of the week.”
The Met Office has four warnings in place this evening, including a yellow thunderstorm and a yellow rain alert for northern areas of England.
A yellow rain warning and an amber alert for heavy showers remains in place in the far north of Scotland until 11pm.
The amber alert says: “Areas of heavy rain along with some thunderstorms will continue to move north and west across the warning area during this afternoon and evening.
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“Hourly rainfall accumulations of 20 to 30mm are likely in places, and locally totals of 60 to 80mm in a few spots by the end of the day.”
A yellow rain warning for the northwest of England is in place until 6am on Thursday morning and warns of up to 60mm of rain.
It says: “Showers, often heavy with isolated thunderstorms, may become more frequent across northwest England during Wednesday evening and overnight.
“Some places could see 15-20mm of rain within an hour and as much as 40-60mm over a six-hour period.”
Netweather.TV forecaster Jo Farrow says England, Wales and some areas of Scotland can expect a brief break from the downpours on Thursday morning, before an area of low pressure takes over across southern parts by the evening.
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She said: “Thursday morning will bring a lot of sunshine and drier weather to Wales and most of England with a westerly wind.
“For Northern Ireland, Scotland and Cumbria there will be more cloud and outbreaks of rain with the wind veering to the northwest.
“The incoming southwest low pressure needs watching. There is uncertainty around this development but currently the forecast showers bands of heavy rain with gales for Thursday night, even severe gales for Cornwall, Devon through the English Channel.
“As the low moves eastwards during Friday morning there will be more heavy rain and strong winds.”
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