KOCHI: For the third consecutive 12 months, Kerala has reported deficit rainfall through 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 through the third week of the month. The state obtained 978.8 mm rainfall in July as in opposition to the traditional 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 through the second week of August for the previous three years, the probabilities of excessive rainfall are scarce this time. “Just lately, we now have been witnessing monsoon breaks and heavy rainfall for a number of days after a brief dry spell. Some freak methods might kind within the Bay of Bengal which can convey good rains,” mentioned Cusat Superior Centre for Atmospheric Radar Analysis Director S Abhilash.
In response to the report on Rainfall variability and adjustments over Kerala by the India Meteorological Division (IMD), there’s a lowering development in June and July rainfall over the previous decade whereas rainfall in August and September exhibits an rising development.
An evaluation of the rainfall information through the previous 30 years revealed that there’s a rise in rainfall throughout August in all districts, besides Thrissur and Alappuzha. September rainfall exhibits a rise in all districts besides Alapuzha. Although the imply rainfall over the state doesn’t present any important development through the Southwest monsoon, July rainfall exhibits a big lowering development in Kasaragod, Thrissur and Thiruvananthapuram districts.
There was a big decline in annual rainfall in, Kasaragod and Kollam districts. The state had witnessed torrential rains through the first two weeks of August through 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 folks had been killed.
Pettimudi within the Idukki district witnessed one other huge landslide on August 6, 2020, which claimed 70 lives. The world had obtained 159 cm of rainfall in 96 hours which was the best precipitation in Munnar since 1924. In the meantime, the reservoirs have higher storage in comparison with the earlier 12 months. 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 12 months.