UK Weather severe thunderstorms, torrential rain, and multiple lightning flashes are forecast all day in parts of southeast England, the Met Office has said in its amber weather alert. The alert signals a severe threat to buildings and the safety of the general public in places such as London, Kent, Sussex, Surrey, and parts of Essex. Meteorologists began tracking the storm system late last evening, and by early this morning, they realised it had swept through the southern counties.
Heavy Rain
Heavy rain began to pour overnight and before dawn as the storm system rolled in from the southwest, saturating rural areas, rail lines, and highways. Croydon, Maidstone, and Crawley were just a few of the towns that had flash flooding mid-morning. Social media videos captured water sweeping across roads, filling up sewers and making it hard for pedestrians to navigate through flooded paths. Some regions may have more than 60 mm of rain in a few hours, according to meteorologists.
Commuters and Travellers
As the storms intensified, there were significant disruptions to transportation throughout southeast England. The National Rail network reported multiple line closures, particularly on routes connecting central London with Kent and Sussex. Flooding and lightning damaged signalling equipment, forcing trains to stop or reroute, which delayed or stranded thousands of commuters. There were also long tailbacks on major roads, such as the A2, M23, and M25, due to surface water, stuck vehicles, and poor visibility.
Emergency Services
Fire and rescue units across the region promptly dealt with hundreds of incidents, ranging from flooded houses and stranded vehicles to lightning-induced power failures. Firefighters evacuated some homes in Kent due to quickly rising water levels in the low-lying areas. In light of numerous weather-related accidents, East Sussex Police also issued public warnings advising motorists to refrain from driving unless necessary.
Local Events Affected
For thousands, the storm disrupted their daily routines. Elementary and secondary schools across the Southeast adjusted schedules, cancelled after-school activities, and, in some cases, closed early. Some businesses and cafes did not open at all, and others in flood zones sandbagged their front doors. The storm cancelled several outdoor events in London, including a farmers’ market and an outdoor theatre play in Hyde Park.
UK Weather Experts
Severe convective activity resulted from a “highly unstable air mass” that drew warm, moist air from the south and clashed with cooler northerly winds, said Met Office meteorologists.
They warned that there is still a high probability of flash floods, particularly in urban areas lacking proper drainage.
The thunderstorms are expected to persist through the evening, especially along the coast, said forecasters.
Infrastructure
The harsh weather also tested the water and electrical services. Due to equipment damage and fallen cables, UK Power Networks confirmed power interruptions in several neighbourhoods. Although local councils dispatched repair crews to monitor storm drains and river levels, Thames Water staff began operating to clear blockages and prevent sewer overflow. Water supplies in some areas are being alerted to possible poor water pressure or short-term discolouration.
What to Expect Tomorrow
Met Office forecasters expect patchy storms and scattered showers to persist until tomorrow, especially along the coasts, and they predict the heaviest rain will stop by midnight. Depending on how the overnight development of the storm unfolds, the Met Office could extend weather warnings. More storms could develop toward the end of the week, and temperatures will likely remain warm but humid.
A Challenging Day
In southeast England, the amber thunderstorm warning has already had an impact on a range of areas, from buildings and commerce to transport and education. Emergency services, forecasters, and local authorities continue to monitor the situation closely, as weather conditions remain unclear. Citizens should remain vigilant, listen to formal announcements, and heed safety precautions seriously.
