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After the heatwave comes the weather warning for heavy rain and thunderstorms

The Met Office has extended the yellow warning for heavy rain and thunderstorms across the whole of East Anglia.

Its warning of the risk of localised flash flooding and hail along with potential for disruption to travel and power supplies.

The area covered by a Met Office yellow weather warning on Wednesday 20 July 2016. Credit: Met Office

The weather warning is valid until 9pm on Wednesday 20 July 2016

The Met Office says areas of heavy thunderstorms will continue to affect parts of Scotland and northern England into this afternoon before slowly clearing away northeast.

However isolated heavy thunderstorms may still develop across Scotland and parts of England, including some central, eastern and southeastern areas, this afternoon and this evening.

The Met Office said: "Whilst most places will miss the worst, please be aware of the risk of localised flash flooding. Frequent lightning, large hail and strong winds could be additional hazards. All of this could lead to some flooding of homes, businesses and transport networks. Disruption to power is also possible."

"Hot, moist air spreading north and northeast across the UK today will produce thunderstorms, initially organised within large areas of rain before becoming more isolated this afternoon.

"Rainfall will be very variable, but some places could see around 30 mm in an hour and more than 50 mm in a few hours.

"The thunderstorms later this afternoon are likely to be most widespread across northern England and Scotland, and it is here that there is the greatest risk of disruption.

"Further south, they will be much more isolated, with disruption less likely, across the rest of England."

– Met Office Chief Forecaster's Assessment

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How to cool down in the heat - use a giant water slide!

The fun way to cool down in the heat! Credit: Emily Knight

A huge inflatable water slide has been set up in Norwich city centre as part of the Lord Mayor’s Celebration events.

Hundreds of spectators lined the streets to see people having a go on 100-metre three lane SlideRider.

Credit: Emily Knight

The slide was there to raise money for Cancer Research UK. It was also the perfect way to cool down in the heat!

Credit: Emily Knight

Midday temperatures reach 29°C in the Anglia region

Norwich was the hottest place in the UK at midday on Saturday 4th July 2015 with a temperature of 28.6°C (83.5°F) recorded at the city's international airport.

Many places in the Anglia region had their hottest July day on record on Wednesday when the thermometer touched 35.3°C (95.5°F) at Wittering in Cambridgeshire.

Temperatures at 12 noon in the Anglia region on Saturday 4 July 2015. Credit: Met Office

Thunderstorms produce a fortnight's worth of rain

Lightning captured in the village of Croydon between Cambridge and Biggleswade. Credit: Bob Burling

With every good heatwave in the British summer there is nearly always a spectacular thunderstorm or two.

The early hours of Saturday 4 July saw widespread electrical storms across East Anglia.

At Hitchin in Hertfordshire there was 35 mm of rain, which is more than normally falls in two weeks in July.

The overnight deluge make it the wettest day of the year so far in the East of England.

Rainfall totals in the Anglia region in the 12 hours to 10am on Saturday

  • 21.4 mm in Bedford
  • 21.2 mm in Woburn, Bedfordshire
  • 17.6 mm in Monks Wood near Sawtry, Cambridgeshire
  • 15.0 mm in Harpenden, Hertfordshire
  • 13.6 mm in Holbeach, Lincolnshire
  • 11.8 mm in Wattisham, Suffolk
  • 8.0 mm in Writtle, Essex
  • 7.2 mm in Cambridge
  • 3.8 mm in Norwich

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Fresh warnings about dangers of outdoor swimming as man dies in Suffolk reservoir

The body of a man, believed to be in his 20s, was pulled from Alton water Reservoir in Tattingstone. Credit: ITV News Anglia

There are fresh warnings today of the dangers of open water swimming after a man died at a Suffolk Reservoir last night.

The body of a man, believed to be in his 20s, was pulled from Alton water Reservoir in Tattingstone, near the Dedham Vale, after a major search by emergency services.

They were called at around 8pm last night after reports that the man was seen going under the water.

"We are asking people to stay safe following a tragic incident at Alton Water near Ipswich last night.

The best way to stay safe in or near the water is to take some sensible precautions and prevent accidents from happening."

– Suffolk Fire & Rescue Service
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