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Weather change from heat to rain brings thunder and lightning | |
(about 14 hours later) | |
Thunderstorms and heavy rain seen overnight in parts of Wales have largely eased as the weather system moves across to England. | |
The prolonged dry spell came to an end in the early hours, with forecasters warning of a risk of flash floods as rain fell on baked ground. | |
Forecasters said there was still a risk of isolated showers and lightning strikes in north east Wales. | |
It is likely to remain humid but with lower temperatures than on Monday. | |
On Monday, the Met Office issued a rain warning for England, Wales and southern Scotland. | |
The yellow alert, which covered most of Wales apart from the far west and Pembrokeshire, is issued to give people notice that there may be disruptive storms. | |
Natural Resources Wales said heavy rain was likely to cause roads to flood and drains, ditches and small streams to overflow. | |
In a statement, it said: "Those who are camping or caravanning should also keep an eye on the weather conditions and listen to advice from the site owners." | In a statement, it said: "Those who are camping or caravanning should also keep an eye on the weather conditions and listen to advice from the site owners." |
BBC Wales weather presenter Behnaz Akhgar said: "The worst of it is in England now. We had some thunderstorms overnight and lightning strikes over parts of south east Wales. | |
"The only place we could continue to have lightning strikes is north east Wales in the Wrexham area." | |
She said the risk of flash flooding was only likely in east or north east Wales where there could be some downpours. | |
"The trend is for it to ease off by this afternoon." | |
Typically average temperatures in the shade on Tuesday should be around 24C (75F) compared to around 28C (82F) on Monday. | |
The showers should disappear by later afternoon on Tuesday, leading to a settled period once again, she said. | The showers should disappear by later afternoon on Tuesday, leading to a settled period once again, she said. |
The UK has had its first prolonged heatwave since 2006 - though Saturday was the first day in seven when temperatures did not exceed 30C anywhere in the country. | The UK has had its first prolonged heatwave since 2006 - though Saturday was the first day in seven when temperatures did not exceed 30C anywhere in the country. |
However, it has not matched a heatwave in the summer of 1976, when temperatures above 32C (89.6) were recorded on 15 consecutive days. | However, it has not matched a heatwave in the summer of 1976, when temperatures above 32C (89.6) were recorded on 15 consecutive days. |