Breaking Kent London Surrey Sussex

A line of thunderstorms have now formed over Southeast England and expected to persist for the next few hours

Some flooding of a few homes and businesses, leading to some damage to buildings or structures
Some damage to a few buildings and structures from lightning strikes
Driving conditions will be affected by spray, standing water and/or hail, leading to longer journey times by car and bus
Delays to train services
Some short term loss of power and other services

Under the line of thunderstorms 30 mm of rain could fall in less than an hour with a small chance of 50 mm falling in one or two spots. Some hail and locally strong gusts of wind are possible too. The thunderstorms are expected to die out this evening.