Abstract: Four West African rainfall anomaly types are defined in relation to the northern summer rainfall departure signs in the Sahel and in the Guinean region in order to investigate the statistical links between interannual ...

Abstract: The wind-field coherence over West Africa is investigated during two contrasted periods, 1953?63 (abnormally wet) and 1963-75 (abnormally dry) in the Sahel. Zonal and meridional components of the monthly mean wind are ...

Abstract: Relationships between monthly West African rainfall anomaly patterns and monthly tropospheric wind changes are investigated for the 32 months of August (1958?1989) at an interannual time step. Regarding the Sahelian belt ...

Abstract: Madden?Julian oscillations (MJOs) are extracted over the Indo-Pacific basin using a local mode analysis. The convective perturbations are then projected over a larger domain to evaluate their remote consequences over the ...

Abstract: The Laboratoire de Météorologie Dynamique atmospheric GCM is used to investigate relationships between West African monsoon dynamics and SST anomalies in the eastern equatorial Atlantic and Pacific for the period 1970?88. ...

Abstract: The Laboratoire de Météorologie Dynamique atmospheric GCM is used to investigate relationships between West African monsoon dynamics and SST anomalies in the eastern equatorial Atlantic and Pacific for the period 1970?88. ...

Abstract: eather regimes (WRs) have been defined over the Euro-Mediterranean region (15°?70°N, 60°W?60°E) from May to October using the daily sea level pressure, 700-hPa geopotential height, and specific humidity from the European ...

Abstract: he Sahel experienced a severe drought during the 1970s and 1980s after wet periods in the 1950s and 1960s. Although rainfall partially recovered since the 1990s, the drought had devastating impacts on society. Most studies ...