KOCHI: For the third consecutive yr, Kerala has reported deficit rainfall in the course of the first half of the Southwest monsoon. The rain deficit, which stood at 36 per cent in June, declined to 26 per cent on July 29, due to a bout of heavy rainfall in the course of the third week of the month. The state acquired 978.8 mm rainfall in July as in opposition to the conventional rainfall of 1,322.9 mm. The rain deficit was greater than 30 per cent in Alappuzha, Kannur, Kollam, Malappuram, Palakkad, Thiruvananthapuram and Wayanad districts.
Although Kerala has been witnessing torrential rainfall in the course of the second week of August for the previous three years, the possibilities of excessive rainfall are scarce this time. “Just lately, we’ve been witnessing monsoon breaks and heavy rainfall for just a few days after a brief dry spell. Some freak methods could kind within the Bay of Bengal which can carry good rains,” stated Cusat Superior Centre for Atmospheric Radar Analysis Director S Abhilash.
Based on the report on Rainfall variability and adjustments over Kerala by the India Meteorological Division (IMD), there’s a reducing development in June and July rainfall over the previous decade whereas rainfall in August and September reveals an growing development.
An evaluation of the rainfall knowledge in the course of the previous 30 years revealed that there’s a rise in rainfall throughout August in all districts, besides Thrissur and Alappuzha. September rainfall reveals a rise in all districts besides Alapuzha. Although the imply rainfall over the state doesn’t present any vital development in the course of the Southwest monsoon, July rainfall reveals a major reducing development in Kasaragod, Thrissur and Thiruvananthapuram districts.
There was a major decline in annual rainfall in, Kasaragod and Kollam districts. The state had witnessed torrential rains in the course of the first two weeks of August in the course of the previous three years, which triggered floods and landslides inflicting in depth loss to life and property. The floods in August 2018 claimed 483 lives and prompted an intensive lack of property. The state witnessed two huge landslides at Puthumala and Kavalappara in 2019 by which 121 individuals have been killed.
Pettimudi within the Idukki district witnessed one other huge landslide on August 6, 2020, which claimed 70 lives. The world had acquired 159 cm of rainfall in 96 hours which was the very best precipitation in Munnar since 1924. In the meantime, the reservoirs have higher storage in comparison with the earlier yr. Idukki reservoir has 955.76 MCM storage which is 30 per cent greater than the storage of 476.44 MCM on the identical day final yr.