“Rainfall recorded in August 2020 is fourth highest within the final 120 years and highest in 44 years”: IMD
New Delhi:
The nation acquired 27 per cent extra rainfall than regular in August, the fourth highest quantity within the final 120 years, the India Meteorological Division (IMD) mentioned.
The general rainfall recorded in India from June 1 to August 31 was 10 per cent greater than regular, the IMD mentioned on Monday. The official rainfall season within the nation is from June 1 to September 30.
“August has recorded 27 per cent extra rainfall than regular,” RK Jenamani, scientist with IMD’s nationwide climate forecasting centre, mentioned.
In its forecast for August final month, the IMD had predicted rainfall of 97 per cent of the Lengthy Interval Common (LPA) with an error margin of plus or minus 9 per cent. Monsoon within the vary of 96-104 per cent of the LPA is taken into account regular.
“Rainfall recorded in August 2020 is the fourth highest within the final 120 years and highest in 44 years,” Mr Jenamani added.
That is additionally one of many rainiest months of August recorded. The August of 1926 noticed 33 per cent extra rainfall than regular, the best precipitation recorded to this point within the month; 1976 recorded 28.Four per cent extra rainfall than regular, whereas the August of 1973 recorded 27.eight per cent than regular. This yr noticed 27 per cent rainfall.
Mahesh Palwat, vice chairman, Skymet Climate, mentioned as a consequence of formation of 5 low strain areas in Bay of Bengal in August, the month recorded extra rainfall.
A low strain space is a cyclonic circulation. Additionally it is the primary stage of a cyclone. Nonetheless, it isn’t needed that each low strain develops right into a cyclonic storm.
Mr Jenamani mentioned 5 low strain areas fashioned over Bay of Bengal introduced heavy rains over central and north India. Of the 5, 4 developed right into a well-marked low strain space.
A number of components of the nation witnessed floods final month as a consequence of incessant rainfall final month.
Mr Jenamani mentioned the primary low strain space fashioned between August Four-10 off the Odisha coast. It moved throughout central India and Gujarat and entered into the north Arabian Sea and dissipated over the Oman coast.
The second low strain space fashioned between August 9-11 off the Andhra Pradesh-Odisha coast. It moved throughout Chhattisgarh to northeast Madhya Pradesh. Its remnant moved to northwest India, inflicting floods in Jaipur on August 14, he mentioned.
The third one was between August 13-18. It moved throughout Chhattisgarh to northeast Madhya Pradesh, however its remnant as circulation moved over to northeast Rajasthan and south Punjab throughout August 18-20. This brought about a serious rain spell over northwest India. It was on the identical time that the Delhi-NCR recorded flooding as a consequence of heavy rainfall.
The fourth one fashioned between August 19-26 and it moved throughout central India to southwest Rajasthan and adjoining south Pakistan. The climate system additionally brought about floods over Odisha on August 20-21, over Telangana together with Warangal and a part of Hyderabad on August 21, west Madhya Pradesh on August 22 and south Rajasthan and Gujarat on August 23 and 24.
The final and the fifth system additionally fashioned between August 24-31.
June had recorded 17 per cent extra rainfall than regular whereas July ended with a 10 per cent rainfall deficiency.
The IMD had predicted that July will get rainfall that’s 103 per cent of the Lengthy Interval Common (LPA), which falls within the “regular” class. The LPA rainfall over the nation for the 1961-2010 interval is 88 centimetres.
In its Lengthy Vary Forecast for rainfall within the second half (August-September) of the 2020 Southwest Monsoon launched final month, the IMD mentioned August was more likely to obtain rainfall that’s 97 per cent of the LPA with an error margin of plus/minus 9 per cent.
“Quantitatively, the rainfall over the nation as a complete throughout the second half of the season is more likely to be 104 per cent of the LPA with an error margin of plus/minus eight per cent,” it had mentioned.
The northwest division of the IMD has an total 9 per cent deficiency. It includes Rajasthan, Uttar Pradesh, Himachal Pradesh, Uttarakhand, Punjab, Haryana and the Union territories of Chandigarh, Delhi, Jammu and Kashmir and Ladakh. Jammu and Kashmir and Ladakh have recorded poor rainfall.
The central India division acquired 21 per cent extra rainfall to this point. The division includes Goa, Maharashtra, Gujarat, Madhya Pradesh, Chhattisgarh, Odisha and the Union territories of Dadra and Nagar Haveli and Daman and Diu. Gujarat has recorded massive extra rainfall whereas Goa noticed extra precipitation.
The south peninsula meteorological division of the IMD has acquired 20 per cent extra rainfall than regular. The division covers Andhra Pradesh, Tamil Nadu, Telangana, Kerala, Karnataka and the Union territories of Andaman and Nicobar Islands, Lakshadweep and Puducherry. Andhra Pradesh, Telangana, Tamil Nadu have recorded extra rainfall.
The east and northeast India division has additionally recorded 2 per cent extra rainfall than regular. The division includes West Bengal, Bihar, Jharkhand and the northeastern states. Nagaland, Manipur and Mizoram recorded poor rainfall whereas Sikkim has witnessed massive extra.
(Aside from the headline, this story has not been edited by NDTV employees and is printed from a syndicated feed.)
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