Published: Fri, July 27, 2018
Money | By Ethel Goodwin

Heatwave havoc in Britain as 'extreme' temperatures set to climb to 37C

Heatwave havoc in Britain as 'extreme' temperatures set to climb to 37C

Thunderstorms are expected to develop during Friday afternoon, lasting well into the evening, with a maximum temperature of around 27C.

The Met Office said the heat and humidity will spark more thunderstorms later on Friday - which could spoil Britons' view of the longest lunar eclipse of the 21st Century.

Motorists have been warned that lightning, flash flooding and large hailstones could hit eastern parts this afternoon, with a thunderstorm warning in place from about 2pm until just before midnight.

Friday is likely to be even hotter - expected the be the warmest day of the year, forecasters in the region have warned the mercury could reach 35C or 36C.

The July record for the highest overnight minimum temperature is 23.3C - and the Met Office says that could be surpassed in south-east England on Thursday.

"25-30 mm of rain is possible in less than an hour but the vast majority of sites will miss these thunderstorms and see very little, if any, rain".

There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds.

Going into the weekend, most places will see temperatures closer to average for the time of year, around the high teens to low 20s, with the chance of showers and strong breezes, Mr Deakin said.

Meanwhile sun worshippers in the United Kingdom have sizzled in the hottest temperature of the year so far, with a scorching 33.3C recorded in England yesterday.

"Further thunderstorms are possible until late evening, however, and this risk is addressed in the yellow warning already in force".

The amber, or level three, warning is issued when temperatures are predicted to hit 30C (86F) during the day, and 15C (59F) at night, for at least two consecutive days.

There is now a 90 percent chance of heatwave conditions between Monday and Friday this week.

Meanwhile, London's fire chief has called for barbecue bans to be imposed in the capital's parks after a record-breaking number of grass fires.

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