Climate Change

Subject – Environment

Context – Climate change is real: India received 129% over normal rainfall September 14

Concept –

Some 48 per cent of India’s total geographical area received ‘large excess’ rainfall September 14, 2021 according to the India Meteorological Department’s (IMD) rainfall data. The country, as a whole, received 129 per cent ‘over normal’ rainfall.
The 48 per cent geographical area was spread over 17 subdivisions, which received ‘large excess’ rainfall. Some 13 of these subdivisions recorded more than 100 per cent ‘above normal’ rainfall.
Subdivisions are geographical areas demarcated by IMD. They are based on the climatic conditions of a region. Currently, there are 36 meteorological subdivisions in India.

Gujarat — which is divided into two subdivisions, Saurashtra and Kutch and the Gujarat region — as a whole received 951 per cent over normal rainfall September 14.

Odisha has been experiencing heavy rainfall due to the depression since September 11, leading to a rise in water levels in the Brahmani, Baitarani, Subarnarekha, Kushabhadra, Rushikulya and Devi rivers.
Meanwhile, experts have told this reporter that climate change was causing the wettest days to become wetter and hottest days to become hotter in Odisha.
Odisha has witnessed extreme weather conditions this year — from heat waves to drought and flood-like conditions.
Climate change was increasing the frequency of the formation of low pressure areas in the Bay of Bengal, bringing unseasonal rains.