Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 3, issue 3
Articles | Volume 3, issue 3
https://doi.org/10.5194/wcd-3-1003-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-3-1003-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 3
Research article
 | 
23 Aug 2022
Research article |  | 23 Aug 2022

Dynamics of gap winds in the Great Rift Valley, Ethiopia: emphasis on strong winds at Lake Abaya

Cornelius Immanuel Weiß, Alexander Gohm, Mathias Walter Rotach, and Thomas Torora Minda

Data sets

ERA5 hourly data on pressure levels from 1959 to present Copernicus Climate Change Service (C3S) at ECMWF https://doi.org/10.24381/cds.bd0915c6

ERA5-Land hourly data from 1950 to present Copernicus Climate Change Service (C3S) at ECMWF https://doi.org/10.24381/cds.e2161bac

Model code and software

The Weather Research and Forecasting Model University Corporation for Atmospheric Research https://github.com/wrf-model/WRF

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Short summary
Two gap flow events in the Great Rift Valley in Ethiopia were investigated based on observations, ERA5 reanalysis data, and simulations with the numerical weather prediction model WRF. The main focus was on strong winds in the area around Lake Abaya since the winds may generate waves on the lake which help to sustain the lake's ecology. That is important in terms of food supply for the local population. The gap winds exhibit a diurnal cycle and a seasonal dependence.
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