408 mm rainfall in Mauritius brought severe flash floods and landslides

After 2 months of relatively calm weather, flash floods came into Mauritius, island southeastward from Africa.

In a very short time, 408 mm of rain dropped late previous workweek (15.-16. April 2021) in Plaisance, with results of regional floods and landslides.

Precipitation amounts such these are almost twice bigger than long-term monthly average for April.

Island is during Cyclone season, from autumn into spring every year exposed to possibility of severe Indian cyclones, which should reach similar strength such as hurricanes or typhoons.

Several cyclones in African Cyclone season 2020/2021 hit continental parts of Africa, too, including Mozambique, South Africa, Tanzania and their remnants even brought floods in Zimbabwe, Zambia, Botswana or Namibia /https://mkweather.com/cyclone-eloise-hit-south-africa-mozambique-and-zimbabwe; https://mkweather.com/tropical-storm-guambe-with-155-km-h-winds-hit-south-africa-eswatini-mozambique-and-madagascar//.

Currently, tropical depression 95S Invest is shifting from Indian ocean above Tanzania, with marginal effects in northern Madagascar, northern Mozambique and southern Kenya.

Cyclones sometimes should hit regions such as Somalia, even /https://mkweather.com/the-first-somalian-hurricane-gati-category-4is-bringing-2-year-rainfall-for-48-hours//.

Information about 2020–21 South-West Indian Ocean cyclone season are available on Wikipedia /https://en.wikipedia.org/wiki/2020%E2%80%9321_South-West_Indian_Ocean_cyclone_season/. It officially began on 15. November 2020, and will officially end on 30. April 2021, with the exception for Mauritius and the Seychelles, where it will officially end on 15. May 2021.

Source: Mauritius Cyclones – What You Must Know (mauritiusinsideout.com)
Source: Current Storm Information – Tropical Tidbits

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Author: marekkucera
Writer about weather since 2007. The goal of this project is to inform a wide audience about extremes of weather, atmospheric circulation, and climate change around the world. If you like our work, you can support us on Patreon or donate.