Assistant Professor, Energy & Environmental Systems Dep't, NC A & T State University
Research Associate at NOAA-CREST with Dr. William Rossow, The City College, CUNY
My PhD adviser was Chris Thorncroft at UAlbany
Atmospheric Science/Meteorology Programme at SUNY-Albany
Satellite observed data can be obtained here International Satellite Cloud Climatology Project
PhD thesis: abstract
Research interest: wave activity, convection and climate dynamics
Publications1) Mekonnen, A. and W.B. Rossow, 2011: The interaction between dep convection and easterly waves over Tropical North Africa: A Weather State perspective, J. Climate, 24, 4276-4294.
2) Aiyyer, A. and A. Mekonnen, 2011: Projection of Tropical cyclones on Wavenumber-frequency filtered equatorial waves. J. Atmos. Sci. (submitted). 3) Mekonnen et al., 2008: Convectively coupled Kelvin waves over tropical Africa during the boreal summer: Structure and variability. J. Climate, 21,6649-6667. 4) Mekonnen et al, 2006: Analysis of convection and its Association with African Easterly Waves. J. Climate, 19, 5405-5421. 5) Mekonnen, A. and Kinfe Hailemariam, 1996: Climate and Climate Change Baseline Scenarios for Ethiopia: Ethiopian Climate Change Country-Study Project (US-Ethiopia country Studies Project). Ethiopian Meteorological Services Agency, Addis Abeba, Ethiopia (copy available on request). In preparation: 6) Mekonnen, A.and WB Rossow, 2011: The role of East African mountains on the initiation of African easterly waves and weather state transitions (in preparaton for the J. Climate). 7) Mekonnen, A., WB Rossow and C. D. Thorncroft, 2011: On convection over East Africa: Regional interaction and mechanisms (in preparation).
Links to some African weather services and climate centres North African summer weather real time monitoring and forecast (a) Near real time monitoring CPC near real time monitoring and forecast SW-NE x-section (10S,0deg-15N,55E)for mixing ratio, Thetae, circulation wind trajectories, and heights at 850, 750, 600 & 500 hPa N-S x-section (15,35E-20S,35E) for mixing ratio, Thetae, circulation 200hPa Psi, trough axis, and the magnitude of non-divergent wind Forecast Link from CPC CPC-NCEP forecast from African desk (look up the NCEP forecast)