UK weather: PM urges people to evacuate homes if advised to do so amid Storm Christoph flood threat

January 20, 2021

Boris Johnson says people should evacuate their homes if advised to do so as Storm Christoph is set to bring a significant flood threat to parts of the UK.

It comes in the middle of a pandemic where the country is currently under lockdown measures due to COVID.

There are warnings that Britain could see two months' worth of average rainfall in just two-and-a-half days as the storm moves in.

The Met Office has issued yellow warnings of heavy rain for much of the UK, with a more severe amber rainfall warning covering parts of northern England and the Midlands in place until Thursday.

Read the latest weather forecast about Storm Christoph

The Environment Agency has warned of a "volatile situation", and a major incident has been declared in both Greater Manchester and South Yorkshire ahead of further expected heavy rain.

Speaking after chairing a meeting of the COBRA emergency committee, the prime minister said there was a "situation potentially developing" in Manchester and the situation in the UK could get worse next week.

He said: "We want to make sure we are totally prepared in every part of the UK for flooding because it's coming on top of the stress people are already under fighting COVID."

He wanted to ensure that transport networks were prepared, that electricity outrages would not be severe, that there were enough supplies of sandbags, and evacuation centres were on standby.

He said: "It really is advisable - follow the advice. If you are told to leave your home then you should do so."

Up to 3,000 properties in Greater Manchester could be affected by flooding, police have warned.

Speaking at an online press briefing, the force's assistant chief constable Nick Bailey said areas of Didsbury, Northenden and Sale near the River Mersey could see flood waters, with a peak expected at 11pm on Wednesday.

He added: "This is a significant incident in terms of disruption to people and those people have been advised with regard to actions to take."

Simon Partridge, a Met Office forecaster, explained: "It's not a traditional sort of storm, it's going to be windy but it's not based on the wind strength at all, it's really down to the disruption that's being caused by rain.

"There are already parts of Cumbria that have already seen over 80mm of rain since midnight on Tuesday and there's a large number of places that have seen 50mm, and we are going to see further rain over the next 24 to 36 hours."

More than 120mm of rain has already fallen in parts of the country. The highest amount fell at Honister Pass in Cumbria, with 123.4mm in the 24 hours up to 6am on Wednesday.

Nearby Seathwaite saw the second highest total, with 107.2mm, and some isolated spots could see up to 200mm, the Met Office said.

Mr Partridge said some areas could see double the average amount of monthly rainfall over a few days.

He said: "Those areas that have seen between 50mm and 70mm already, the warning is out until midday on Thursday, so an extremely long period, but by then we could see up to 150mm to possibly 200mm of rainfall.

"The Midlands for example, their average rainfall total for the whole month is 73mm, so they could easily get double that in the course of two, two-and-a-half days."

The rain combined with snowmelt increases the risk of flooding in some areas.

The Environment Agency has issued around 100 flood warnings (meaning flooding is expected) across England and 200 less serious flood alerts (meaning flooding is possible).

The Welsh mountains and Pennines could see up to 200mm (8ins) of rain by the middle of Thursday.

And snow is also likely for some, with yellow warnings in place in southern and northern Scotland.

North Yorkshire County Council said more than 15,000 sandbags were at the ready around the county.

Ros Jones, mayor of Doncaster, said sandbags had been given to key risk areas to help against flooding this week.

"I do not want people to panic, but flooding is possible so please be prepared," she said.

People were also preparing for rising floodwaters in West Yorkshire on Wednesday, with towns in the Calder Valley laying out sandbags and flood wardens monitoring water levels.

The storm has caused concern for people living in areas devastated by the floods at the end of 2019, who say they are preparing for the worst to happen again.

However, residents of Fishlake, South Yorkshire, which was cut off by the floodwaters just over a year ago, said they are much better prepared this time, with many having sandbags dropped outside their properties on Tuesday.

As the week continues and Storm Christoph makes its way east, the risks of snow increase, the Met Office said.

Public Health England issued a cold weather alert from "first thing" on Thursday until 9am on 25 January for the North East, North West and Yorkshire and the Humber.

The agency said the risk of flooding will amplify the public health risks of the severe cold weather.

Yellow snow warnings are also in place for parts of Scotland.

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