BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   TROPICAL NORTH AFRICA HYDROCLIMATE VARIABILITY Abebe Yeshanew National Meteorological Services Agency, P. O. Box 1090, Addis Ababa, ETHIOPIA. ayesha@telecom.net.et   NCEP/NCAR data are used to study the modulating circulations of the hydroclimate of tropical North Africa. Wavelet analysis is used to identify modes of variability of stream […]