Saudi Arabia is expected to face continued thunderstorms, strong winds and unstable weather conditions across most regions until Friday, authorities said, urging residents to exercise caution. The General Directorate of Civil Defence urged the public to remain in safe locations, avoid flood-prone valleys and areas of water accumulation, and refrain from swimming, while adhering to official safety instructions issued via media and social media platforms. In Mecca region, moderate to heavy rainfall is forecast, which could trigger flash floods, hail and downbursts stirring dust and sand affecting areas including Turbah, Al Moya, Al Khurma, Ranyah, Taif, Maysan and Adham. The Riyadh region is also expected to see light to moderate rain, with risks of flooding, hail and dust-raising winds across Wadi Al Dawasir, Al Sulayyil, Al Aflaj, Afif, Al Dawadmi, Al Quwayiyah and surrounding areas.…