The Ahaggar Mountains are in southern Algeria, 930 mi south of the capital, Algiers. The highest peak, Mount Tahat, is 9,541 ft. The range is often called Hoggar.
This is monsoon season in the American Southwest (June-October). Today as I post this, we’re seeing the initial effects of Hurricane Hillary, coming north into California, with outer bands reaching into the Coolidge/Phoenix area.
Here is some information on flooding in our desert, and a bit on its geologic connection.