Saudi Gazette report RIYADH — The National Center for Meteorology (NCM) has issued a warning of heavy rainfall affecting Riyadh and Diriyah starting at 5 a.m. on Thursday and continuing until 3 p.m.Saudi Gazette report RIYADH — The National Center for Meteorology (NCM) has issued a warning of heavy rainfall affecting Riyadh and Diriyah starting at 5 a.m. on Thursday and continuing until 3 p.m.


