London faces 19-hour thunderstorm warning and flood risk
Met Office alert predicts up to 50mm of rainfall in a few hours, with disruption to transport and potential power cuts.
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Londoners are bracing for a significant weather event as the Met Office has issued a 19-hour yellow weather warning for thunderstorms. The alert began at 3am on Wednesday and is set to last until 10pm, covering 59 local authorities across England and Wales, including the capital.
Risk of Flash Floods and Disruption
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The warning forecasts the potential for heavy downpours, with up to 50 millimetres of rain expected to fall in London within a few hours. This could lead to rapid flash flooding, potentially causing damage to buildings. The Met Office has cautioned that where flooding or lightning strikes occur, there is a chance of delays and cancellations to train and bus services. Power outages are also a possibility.
In response to the potential disruption, London Mayor Sadiq Khan has advised residents to ensure their home insurance policies adequately cover flooding. The government has also recommended that those in affected areas put valuables and important documents on higher shelves and familiarise themselves with how to turn off their water, gas, and electricity supplies.
Further Weather Outlook
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While the forecast for Wednesday includes cloudy conditions with heavy or thundery showers, there is also a prediction of some brighter spells in the afternoon. Temperatures are expected to remain warm, with a maximum of 27C. An additional yellow warning for thunderstorms has been issued for Thursday, starting at 6am.
Questions this report answers
+When is the thunderstorm warning in effect for London?
The Met Office has issued a yellow weather warning for thunderstorms that began at 3am on Wednesday and will remain in place until 10pm on Wednesday evening. This alert covers 59 local authorities, including the entirety of London.
+What kind of rainfall is expected and what are the risks?
London could experience up to 50 millimetres of rainfall within a few hours, increasing the risk of flash floods. The Met Office warns of potential damage to buildings, disruption to transport services, and possible power cuts.
+What advice has been given to London residents?
Mayor Sadiq Khan has advised Londoners to check that their home insurance covers flooding. Residents are also encouraged to store important documents and valuables on high shelves and to know how to switch off their utilities.
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