Abstract: Observations show that rainfall over West Africa is influenced by the Madden?Julian oscillation (MJO). A number of mechanisms have been suggested: 1) forcing by equatorial waves; 2) enhanced monsoon moisture supply; and ...

Abstract: Recent observational studies have suggested a role for soil moisture and land?atmosphere coupling in the 15-day westward-propagating mode of intraseasonal variability in the West African monsoon. This hypothesis is ...