Rainfall Patterns (DTE 1 - 15 August 2020)

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Rainfall Patterns

Thrissur and Idukki districts – 42 % less

Dry interior Karnataka like Dakshin Kannada, Kodagu, Chikmagalur Shimoga and Hassan

Overview

  • It is always a see-saw between the northeast and central India. Each year, when the core monsoon zone and the Gangetic plain are in a break period, then rainfall happens over the northeast.
  • Of course, just heavy rains don՚t cause floods; urbanisation, deforestation and mono-cropping are also responsible for igniting floods during heavy rains.
  • Thrissur and Idukki districts have received 42 per cent less than normal rainfall. Similarly many districts in coastal and interior Karnataka like Dakshin Kannada, Kodagu, Chikmagalur Shimoga and Hassan are reeling under a dry spell.
  • In 2019, the region recorded a deficit of while the rest of the country had excess rainfall of 10 % highest in the last 25 years. The northeast has been drying up in the last few decades — 18 of the last 19 years (2001 - 2019) , northeast India received seasonal rainfall less than normal, except in 2007, according to a 2019 IMD report.

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