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What caused the severe floods in Keralam in 2018?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Map of southern India highlighting the state of Keralam in orange along the southwestern coast, with its capital Thiruvananthapuram labeled. Surrounding countries and major bodies of water, including the Arabian Sea and Indian Ocean, are also shown for regional context.
Keralam

The severe floods in Keralam in 2018 were primarily triggered by heavy monsoon rainfall.1

While the state typically experiences significant annual precipitation due to the Western Ghats intercepting monsoon winds, rainfall patterns have shown increasing variability since the late 20th century. This trend, which has been partly attributed to climate change, has directly influenced the frequency and intensity of extreme weather events, including floods and landslides.1