The West African Sahel: A Review of Recent Studies on the Rainfall Regime and Its Interannual Variability
Figure 20
Development of Soudano-Saharan depressions and diagonal cloud bands over West Africa (from [97, 98]). Diagram on the left depicts a satellite view of a diagonal cloud band and areas of heavy rain within it (shaded areas) in September 1969, a period of tremendous rainfall and flooding in parts of North Africa. Diagram on the right shows the typical circulation pattern that leads to its development.
