Notable November- Geographical Behaviour of 2015 and 2021 Flooding in Tamil Nadu (India)

The unprecedented monsoonal rainfall of 2021 and subsequent flooding in Tamil Nadu has initiated a reminiscence of a similar abnormal event of 2015. The month of November observed the maximum input of rainfall during both years. The unprecedented rainfall and flooding have sparked debates ranging from climate change to urbanization. The current study is a spatial examination of rainfall in the state for November of 2015 and 2021. It also tends to observe this rainfall behavior in the backdrop of existing and altering land uses. It has been observed that this unprecedented rainfall exhibited a correlation with urbanization with a geographical concentration of the phenomena in the coastal, northeastern part of the statein both years. Such a regional level analysis can help identify vulnerability in the light of climate change and extreme event concerns.