Rainfall

High Rainfall days in India’s districts in Sept 2023

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of September 2023, the last month of India’s South West Monsoon 2023 shows that there were 406 (417 in Sept 2022[i] and 489 in Sept 2021[ii]) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 330 (365 and 374 in Sept 2022 and 2021 respectively) instances when rainfall was 50-100 mm, 64 (47 and 84 in Sept 2022 and 2021) instances when it was 100-150 mm, 10 (3 and 20 in Sept 2022 and 2021) times when it was 150-200 mm and twice (two and eleven in Sept 2022 and 2021 respectively) when rainfall in a day was above 200 mm.

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AFRICA · Dam Disaster

Floods worsened by Dams collapse lead to deaths of thousands in Libya

Collapse of two dams upstream of the coastal Derna city in NE of Libya, the North African Mediterranean country in the night of Sept 10, 2023, leads to deaths of 5200 and over 10000 missing. This is the worst ever flood disaster of Northern Africa in last 130 years of recorded history. The storm had a climate change footprint, but the city of Darna suffered this fate largely due to dam collapses. This underlines the threat that the dams pose in changing climate.  (Feature image above: Remains of a damaged dam upstream of the Derna city in Libya, N Africa in Sept 2023 disaster.)

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