CHENNAI FLOOD
El Niño is a climate phenomenon characterized by the periodic warming of sea surface temperatures in the central and eastern equatorial Pacific Ocean. It can have significant impacts on weather patterns worldwide, affecting rainfall, temperature, and atmospheric circulation. El Niño events are part of the broader El Niño-Southern Oscillation (ENSO) climate pattern, which also includes La Niña, the opposite phase featuring cooler-than-average sea surface temperatures.
Which,in case of Chennai flood this December, 2nd it's recorded 40+ centimetres of rain in 11 hours at Chennai so heavy flood began to raise with in hours .