Chennai received 215 mm rainfall November 7, the second-highest 24-hour rainfall during the decade
Chennai may be headed towards a 2015: The city has come to a standstill again following heavy to very heavy rainfall since November 7. As of November 6, 2021, 40 commercial and residential areas were flooded, forcing the state government to release about 2000 cusecs of water from the Puzhal and Chembarambakkam reservoir.
The India Meteorological Department (IMD) issued a red alert for Chennai and five other districts of Tamil Nadu from November 10-12 morning, indicating heavy to extremely heavy rainfall in the city and surrounding areas owing to the northeast monsoon. A red alert indicates a downpour of over 204.4 millimetres in 24 hours.
Despite storm water drains and water pumps, residents were knee deep in water in several areas. The city and suburbs received 21.5 and 11.3 cm of rainfall respectively before noon on November 7. Chennai had received 24.6 cm of rain on 15-16 December.
The northeast monsoon elevates Tamil Nadu’s water table, with coastal districts getting 60 per cent of their annual rainfall during this season.
Chennai received 215 mm rainfall in one day, the second-highest 24-hour rainfall during the decade, according to Skymet Weather.
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