Met Office issues yellow warning of thunderstorms in Dacorum this afternoon
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While the county is currently in the grip of a heatwave, the Met Office has issued a yellow warning of thunderstorms in Dacorum this afternoon - which could impact travel and power supplies.
According to the Met Office, thunderstorms could his the East of England - including Dacorum - this afternoon (Tuesday, July 20).
It said: "Although many places will miss them, some thunderstorms are likely to develop during Tuesday afternoon and evening, bringing torrential rain, frequent lightning, large hail and gusty winds.
"These thunderstorms could produce 30-60 mm of rain within 1-2 hours."
It has issued a warning for potential flooding and lightning strikes, spray and sudden flooding that could lead to difficult driving conditions or road closures, possible disruption to public transport, and possible power cuts.