HEAVY showers and thunderstorms may cause flooding and transport disruption in parts of Flintshire and Wrexham as the Met Office issue a weather warning.

The yellow warning, which covers large parts of the country, has been set to begin at 2pm (Wednesday), and will last until 10pm at night.

The warning reads: “Although many places will miss them, heavy showers and thunderstorms may affect parts of the area through Wednesday afternoon, before slowly dying out from the west during the evening. A few spots could see as much as 25 mm in an hour, and perhaps 40 mm in 2 or 3 hours.”

In anticipation of the rainfall, the weather service has issued the following advice during the warning period.

A spokesman for the Met Office said: “Spray and sudden flooding could lead to difficult driving conditions and possible road closures. Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services

“There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost. There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes or hail.”