Heavy and persistent rain is expected on Wednesday afternoon, easing by Thursday morning. The heaviest rainfall is predicted over north facing hills, with strong winds enhancing accumulations. Many areas in the warning zone could see 30-40mm of rain, while northwest England's high ground might see 70-90mm. The mountains of north Wales could experience 100-150mm or more of rainfall. Stay safe by avoiding travel on potentially dangerous roads. If you must travel, be cautious and watch for hazards. Do not attempt to drive, walk, or swim through floodwater. If you encounter fast flowing or deep water, call 999 and wait for help. Stay informed about the weather in your area and follow guidance from emergency services and local authorities.