Preprints
https://doi.org/10.5194/nhess-2021-242
https://doi.org/10.5194/nhess-2021-242

  02 Sep 2021

02 Sep 2021

Review status: this preprint is currently under review for the journal NHESS.

Characteristics of Heatwaves in Africa: Morocco 2000 and South Africa 2015/16

Chloe Brimicombe1, Claudia Di Napoli2, Rosalind Cornforth3, Florian Pappenberger4, Celia Petty3,5, and Hannah L. Cloke1,6,7,8 Chloe Brimicombe et al.
  • 1Department of Geography and Environmental Science, University of Reading, RG6 6AB, UK
  • 2School of Agriculture, Policy and Development, University of Reading RG6 6AR, UK
  • 3Walker Institute, University of Reading, Reading, RG6 6AR, UK.
  • 4European Centre for Medium-Range Weather Forecasts (ECMWF), Shinfield Park, Reading, RG2 9AX, UK
  • 5Evidence for Development, University of Reading, Reading, RG6 6AR, UK
  • 6Department of Meteorology, University of Reading, Reading RG6 6UR, UK
  • 7Department of Earth Sciences, Uppsala University, SE-751 05 Uppsala, Sweden
  • 8Centre of Natural Hazards and Disaster Science, CNDS, SE-751 05 Uppsala, Sweden

Abstract. Heatwaves pose an ever increasing risk to African communities as exposure to heat extremes can have a drastic effect on individuals and in some cases can even result in death. This study presents new information about the characteristics of historical African heatwaves including a comprehensive synopsis of documented heatwave events from 1980 until 2020.Detailed research on heatwave case studies helps to inform the development of early warning systems and forecasting, which is an urgent priority. Here, the focus is on two reported heatwaves, Morocco 2000 and South Africa 2015/16. Both heatwaves feature in the Emergency Events Disaster database (EM-DAT) and include reported impacts, with the Morocco heat being the only hazard to be associated with an economic cost. In addition, these heatwaves reveal how the mechanisms behind them are closely influenced by synoptic systems and geography of their regions. Further, It is demonstrated there is some reporting by African Nations for heatwaves but that this needs significant improvement.

Chloe Brimicombe et al.

Status: open (until 15 Oct 2021)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Chloe Brimicombe et al.

Chloe Brimicombe et al.

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Short summary
Heatwaves are an increasing risk to African communities. This hazard can have a negative impact on peoples lives and in some cases results in their death. This study shows new information about heatwave characteristics through a list of heatwave events that have been reported for the African continent from 1980 until 2020. Case studies are useful helps to inform the development of early warning systems and forecasting, which is an urgent priority and needs significant improvement.
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