24-Hour Thunderstorm Warning Issued for North Wales

A severe thunderstorm warning has been issued for six counties in North Wales, including Wrexham, Flintshire, Denbighshire, Conwy, Gwynedd, and Anglesey. The warning, which comes into effect at midnight on Friday, lasts all day Saturday and warns of potential hail, heavy downpours, and flash flooding. Residents have been advised to prepare for travel delays, power cuts, and flooding, with a small chance of fast-flowing water posing a danger to life.

Key Takeaways:

  • The 24-hour thunderstorm warning covers six counties in North Wales: Wrexham, Flintshire, Denbighshire, Conwy, Gwynedd, and Anglesey.
  • Scattered showers and thunderstorms are likely to develop and spread northwestwards on Friday night and through Saturday, with the potential for 20-40 mm of rainfall in less than an hour.
  • A small chance of isolated accumulations of 50-70 mm of rainfall over a few hours is possible, with hail and frequent lightning accompanying the most intense storms.
  • Residents are urged to have a flood plan in place if they fear flooding and to secure items like bins, garden furniture, and trampolines from high winds.
  • Travel delays, power cuts, and flooding are possible, with a small chance of fast-flowing water posing a danger to life.

Statistics:

  • 24 hours: duration of the thunderstorm warning
  • Midnight on Friday: start time of the warning
  • Saturday: duration of the warning
  • 20-40 mm: potential rainfall in less than an hour
  • 50-70 mm: potential isolated rainfall accumulations over a few hours
  • 6 counties: number of counties under the warning

Sources:

  • The Met Office
  • [BBC Weather]