The National Center of Meteorology (NCM) has issued its daily forecast report for the weather in the Kingdom of Saudi Arabia. The report said that the surface dusty winds will be active on some parts of Eastern and Riyadh regions, extending to southwest region, reducing the horizontal sight, while the thunderstorms will be forecasted to occur on Jazan and Asir regions, accompanied by active surface winds. The report showed that the surface wind movement in the Red Sea will be northerly to northwesterly, turning gradually westerly at speed of 15-35 km/h, on northern and central parts and westerly to northwesterly at speed of 20-40km/h on southern part, while the surface wind movement in the Arabian Gulf will be northwesterly to northerly at speed of 25-45km/h.