Witnesses have described the moments a ferocious storm struck parts of the region, causing disruption to transport and damage to properties.
One home owner in Essex whose house was damaged, said it was like"bowling balls hitting the roof of her house."
Click above to watch Serena Sandhu's report.
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It will be a largely cloudy and breezy afternoon with a scattering of showers in places. Drier at first tonight but further rain later on.