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Nearly a month's worth of rain in a day in the Anglia region

The Anglia region has a had a proper summer soaking with nearly a month's worth of rain falling in just 24 hours. Credit: Yui Mok/PA Wire

The Anglia region has a had a proper summer soaking with nearly a month's worth of rain falling in just 24 hours.

The wettest place so far is Norwich which more than 40 mm (1.6 inches) in the 24 hours at 6am on Saturday. The usual monthly rainfall in July in the Anglia region is 51 mm (2 inches).

The heavy rain sparked flash flooding in Bishop's Stortford in Hertfordshire where police warned motorists not to drive through deep water on the roads.

Rainfall totals in the Anglia region in the 24 hours to 6am on Saturday 25 July 2015

  • 42.2 mm at Norwich airport
  • 40.2 mm in Wattsiham, Suffolk
  • 39.2 mm in Higham, Suffolk
  • 36.2 mm in Charsfield, Suffolk
  • 33.4 mm in Cavendish, Suffolk
  • 32.0 mm in Writtle, Essex
  • 29.0 mm in Shoeburyness, Essex
  • 27.4 mm in Andrewsfield near Braintree, Essex
  • 24.0 mm in Cambridge
  • 23.6 mm in Bedford
  • 21.4 mm in Northampton

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A fortnight's worth of rain in less than a day in the Anglia region

Up to 30 mm of rain fell in 12 hours in the Anglia region on Friday 24 July 2015. Credit: Yui Mok/PA Wire

Up to 30 mm (1.2 inches) of rain fell in the Anglia region on Friday 24 July 2015 and in some places a fortnight's worth of rain has fallen in just 12 hours.

Harpenden in Hertfordshire saw more than 30 mm of rain between 9am and midnight on Friday. That was on top of more than 50 mm (2 inches) that fell during torrential downpours and thunderstorms last Friday.

Rainfall totals between 10am and 10pm on Friday 24 July 2015

  • 28.0 mm in Woburn, Bedfordshire
  • 26.8 mm in Harpenden, Hertfordshire
  • 24.2 mm in Charsfield, Suffolk
  • 24.2 mm in Higham, Suffolk
  • 23.2 mm in Cavendish, Suffolk
  • 22.6 mm in Writtle, Essex
  • 22.6 mm in Sawtry, Cambridgeshire
  • 21.8 mm in Stowe, Buckinghamshire
  • 21.0 mm at Norwich airport
  • 19.2 mm in Northampton
  • 18.4 mm in Bedford
  • 17.0 mm in Cambridge

In an average July, 51 mm of rain falls in the Anglia region during the entire month.

Critical incident in Bishop's Stortford as roads close due to flooding

Flooding on Parsonage Lane Credit: Elaine Smith
Flooding in Stansted Road Credit: Herts Police

Reports are coming in that roads in Bishop's Stortford have been closed down because of flooding.

Police are warning drivers not to attempt to pass through it. They say a critical incident plan is in place.

Roads blocked are thought to include Stansted Road and Parsonage Lane.

Environment Agency monitoring flood situation with continuing heavy rain

The Environment Agency is warning that the rainfall will bring a risk of localised surface water flooding Credit: PA

The Environment Agency is warning that the rainfall will bring a risk of localised surface water flooding, particularly for parts of Norfolk, Suffolk and Essex.

The Agency says it is monitoring the situation closely and supporting local authorities who will respond to any reports of surface water flooding. There are teams out on the ground working to reduce the risk of flooding, but the Environment Agency will issue flood alerts and warnings for rivers if required.

"Heavy rainfall on Friday night into Saturday brings a risk of surface water flooding for parts of south and east England. If you’re driving away for the summer holidays, as always, please remember not to drive through flood water. People are urged to check their flood risk on our website, especially if you’re holidaying in an area where you’re not familiar with the flood risk."

– John Curtin, flood risk manager at the Environment Agency

Weather Warning: Washout Friday brings risk of disruption

Despite this heavy shower captured in Rushden on Wednesday, it's been a relatively dry summer so far. Credit: Mervyn Wood.

Following a dry summer so far, the gardens are in need of a decent spell of rain. But that may be little consolation to anyone with outdoor plans this Friday, which could end up as the wettest day of the summer (and the year) so far in the Anglia region.

Weather prediction models are now in agreement that most places will suffer from a prolonged spell of wet and cold weather to end the first week of the school holidays.

There is currently a yellow weather warning in place which the Met Office was considering upgrading to amber.

Satellite and radar image taken at 2pm on Friday 24 July. Credit: Met Office

There remains some uncertainty over the extent and the scale of the heaviest rainfall.

It is expected than many places in East Anglia will see 30 mm (1.2 inches) of rain but there is a risk that some places will see more than 60 mm (2.4 inches) of rain during Friday. That amounts to more than a month's worth of rain.

If this happens, it would be the wettest day so far this year in the Anglia region.

The Met Office says there is a small risk that one or two spots could see rainfall totals as high as 90 mm (3.5 inches) in 12 hours. That would be nearly two months of average rain.

A Met Office warning has been issued because that amount of rain could cause localised flooding and affect outdoor events and busy roads.

Winds will increase overnight, especially near the coast and could gust to 60 mph which is very strong for the time of year

Low pressure, running east along the English Channel, will bring a wet and windy day on Friday into Saturday. Credit: Met Office

Met Office Yellow Weather Warning

Valid from 1200hrs on Friday 24 July until 1100hrs on Saturday 25 July

The Met Offices says areas of rain, often heavy, and strengthening winds will cross much of southern England on Friday, persisting overnight in the east, before clearing on Saturday morning.

This is an update of Thursday's warning, advising of an increased likelihood of localised flooding, especially across southeast England and East Anglia, where the warning may yet be escalated to Amber. These areas are also most likely to be affected by northerly gales, with winds gusting to 45 mph inland and around 55 mph along coasts.

The public should be aware of the potential for disruption, particularly affecting those travelling or engaged in outdoor holiday activities.

A yellow warning has been issued for rain and wind across East Anglia and South East England. Credit: Met Office.

The Met Office Chief Meteorologist says: "An area of low pressure will run northeastwards close to southern England on Friday, deepening into quite an intense feature for the time of year, before clearing to the east early on Saturday."

"While there remain some uncertainties in the track and intensity of this low pressure system, there is now an increased probability of a developed feature bringing disruptive rain and wind, particularly across the east of the area.

"More than 30 mm is expected quite widely but with the likelihood now that some areas could well see more than 70 mm of rain. The combination of factors brings the risk of disruption to outdoor activities and heavy holiday traffic.

"This warning may still be updated later on Friday, as further information becomes available.

– Met Office Chief Meteorologist
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