Mecca assigned the task of bringing Mecca back under Ottoman control to their powerful "Khedive" (viceroy) of Egypt, Muhammad Ali Pasha. Muhammad Ali Pasha successfully returned Mecca to Ottoman control in 1813. In 1818, followers of the Salafi juristic school were again defeated, but some of the Al Saud clan survived and founded the Second Saudi State that lasted until 1891 and led on to the present country of Saudi Arabia. Mecca was regularly hit by cholera outbreaks. Between 1830 and 1930 cholera broke out among pilgrims at Mecca 27 times. One of the world travelers to Mecca in the fifteenth
Climate of Mecca in 1942. Since then, dams have been constructed to ameliorate the problem. Mecca is at an elevation of 277 m above sea level, and approximately 80 km inland from the Red Sea. Flash floods are common during winter season even though the amount of precipitation is low. Since Mecca is located in a desert, dust storms are common in the city. Since Mecca is located in a low-lying region, it is threatened by seasonal flash floods despite the low amount of annual precipitation. There are less than of rainfall during the year, mainly falling in the winter months. Temperatures are