Thermospheric Neutral Wind Measurements and Investigations across the African Region—A Review

Daniel Okoh, Aziza Bounhir, John Bosco Habarulema, Babatunde Rabiu, Zama Katamzi-Joseph, Taiwo Ojo, Qian Wu, Jonathan J. Makela

Research output: Contribution to journalReview articlepeer-review


This paper briefly reviews studies of thermospheric neutral wind dynamics over the African region. The literature includes a review of the observations of neutral winds over five African locations using the Fabry–Perot Interferometer (FPI), and the comparison between the FPI observations and predictions of the horizontal wind model (HWM-14). So far, there are reports of FPI thermospheric wind measurements in South Africa and Morocco representing the mid-latitude regions in the southern and northern hemispheres, respectively. Within the low latitudes, FPI instruments are installed in the Ivory Coast, Ethiopia, and Nigeria. For the literature reviewed, the years covered in the FPI data are 2018–2019 (South Africa), 2016–2017 (Nigeria), 2015–2016 (Ethiopia), 2013–2016 (Morocco), and 1994–1995 (Ivory Coast). Overall, the HWM-14 reproduces the climatological behavior of the meridional and zonal winds, with varying levels of fidelity for the different regions. The HWM-14 is more accurate in the stations located in the northern hemisphere of the African region; a result attributed to the presence of data during the development of this empirical model.

Original languageEnglish (US)
Article number863
Issue number6
StatePublished - Jun 2022


  • Fabry–Perot Interferometer
  • FPI
  • HWM
  • zonal
  • meridional
  • thermosphere
  • neutral wind

ASJC Scopus subject areas

  • Environmental Science (miscellaneous)


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