Articles | Volume 23, issue 4
https://doi.org/10.5194/nhess-23-1313-2023
https://doi.org/10.5194/nhess-23-1313-2023
Research article
 | 
05 Apr 2023
Research article |  | 05 Apr 2023

Heat wave monitoring over West African cities: uncertainties, characterization and recent trends

Cedric Gacial Ngoungue Langue, Christophe Lavaysse, Mathieu Vrac, and Cyrille Flamant

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Heat waves (HWs) are climatic hazards that affect the planet. We assess here uncertainties encountered in the process of HW detection and analyse their recent trends in West Africa using reanalysis data. Three types of uncertainty have been investigated. We identified 6 years with higher frequency of HWs, possibly due to higher sea surface temperatures in the equatorial Atlantic. We noticed an increase in HW characteristics during the last decade, which could be a consequence of climate change.
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