Monsoon · Rainfall

High Rainfall days in India’s districts in Sept 2022

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of September 2022, the last month of India’s South West Monsoon 2021 shows that there were 417 (489 in Sept 2021[i]) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 365 (374 in Sept 2021) instances when rainfall was 50-100 mm, 47 (84 in Sept 2021) instances when it was 100-150 mm, 3 (20 in Sept 2021) times it was 150-200 mm and twice (eleven in Sept 2021) times above 200 mm.

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Monsoon · Rainfall

SW Monsoon 2022: District wise rainfall in India

In the just concluded South West Monsoon 2022, India received 925 mm rainfall, about 106.5% of the Normal SW Monsoon rainfall of 868.6 mm or 6.5% more than the normal SW Monsoon rainfall as per India Meteorological department. This rainfall will now be categorised as normal rainfall though the distribution has been far from normal, both temporally and spatially. The monsoon withdrawal[i], however is yet to happen from most of India, except a small part in North West India including parts of Rajasthan and Haryana. IMD has predicted that the withdrawal of monsoon will not be completed till at least Oct 15 as due to a fresh cyclonic activity in Bay of Bengal, rainfall over MP and UP is likely to continue in first week fo Oct 2022.

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Monsoon · Rainfall

High Rainfall days in India’s districts in August 2022

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of Aug 2021, 3rd month of India’s South West Monsoon 2021 shows that there were 667 (much higher than 431 in Aug 2021) instances when district rainfall of a day in a district was above 50 mm. The normal monthly rainfall of India Aug is 258.2 mm and actual rainfall was 3.5% above normal at 263.8 mm[i]. Such high rainfall instances included 553 (371 in Aug 2021) instances when rainfall was 50-100 mm, 98 (48 in Aug 2021) instances when it was 100-150 mm, 13 (11) times it was 150-200 mm and 3 (1 in Aug 2021) above 200 mm. Interestingly, in June 2022[ii] and July 2022[iii] there were 462 and 809 instances when rainfall in a district was above 50 mm. The July 2022[iv] and June 2022[v] rainfall all over India was 16.8% above normal and 8% below normal respectively.

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Monsoon · Rainfall

June Aug 2022: District wise rainfall in India’s SW Monsoon

In the just concluded month of Aug 2022, the third month of India’s South West 2022 monsoon, India received 263.8 mm rainfall, 3.5% above the normal Aug rainfall of 254.9 mm as per India Meteorological department (IMD). In Aug 2021, the rainfall was 195.9 mm[i], about 24.13% below normal and  in Aug 2020, the rainfall was 327 mm[ii], or about 26.6% above normal.

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Monsoon · Rainfall

June July 2022: District wise rainfall in India’s SW Monsoon

In the just concluded month of July 2022, the second month of India’s South West 2022 monsoon, India received 327.7 mm rainfall, 16.8% above the normal July rainfall of 280.5 mm as per India Meteorological department. In July 2021, the rainfall was 266.1 mm[i], about 6.7% below normal and  in July 2020, the rainfall was 257.1 mm[ii], or about 9.9% below normal.

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DRP News Bulletin

DRP NB 180722: Polavaram, Kaleshwaram projects damaged, Kadam dam overflowed

(Feature image: An aerial view of the flood-affected areas in Godavari districts on July 15. Photo by arrangement/Deccan Chronicle)

One of the noteworthy feature of the floods in ongoing on monsoon so far has been what is happening around large dam projects, particularly in Central India, Eastern India and Southern India. The Polavaram dam on Godavari river, the largest under construction dam in India, again suffered damage this monsoon as confessed by the Andhra Pradesh Irrigation Minister Ambati Rambabu after his frequent visits to the dam. The dam had suffered damage in 2019 floods and it is still not clear what is way forward and the dam has again suffered damage. This will make the unviable project even more unviable, but the government will continue to sink good money after the massive sunk funds.

The Kaleshwaram project in Godavari basin, the largest lift irrigation projects of India has also faced damages with at least two pump houses with large number of massive capacity pumps getting submerged, and third one partially flooded. The full impact of this damage will only be known after assessment once the floods recede.

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DRP News Bulletin

DRP NB 200622: Erratic onset & progress of SW Monsoon in India

It is great to see an EDITORIAL on monsoon progress in one of India’s National newspapers, THE TIMES OF INDIA on June 20, 2022. The editorial figure of monsoon deficit of 32% at all India level is hugely outdated as it was for rainfall till 8.30 am on June 15. According to the latest figures of rainfall till 0830 am on June 19 available as we write this, the deficit is DOWN to just 8% as rainfall has been above normal on each of the last five days. The deficit in NW India has also reduced from 77% reported in TOI edit to 63% now. The monsoon has also covered much larger area except in North West India. The rainfall so far has already broken several records in terms of intensity of rainfall.

Nevertheless, the key message of the TOI EDIT, about our wrong cropping pattern and urgent need of the govt to come up with schemes to incentivise farmers to change to more appropriate cropping pattern is very important.

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Floods

Assam: Kopili River Flows above Kampur HFL for 6 Days in Pre-Monsoon Season

In the third week of May 2022, River Kopili at Kampur Level Forecast (LF) site in Nagaon district of Assam has witnessed Extreme Flood Situation. The flood level at the site not only crossed the Highest Flood Level (HFL) there after 18 years but also stayed over HFL unusually for about 149 hours. 

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DRP News Bulletin

DRP NB 24 Jan 2022: MoEF’s complete surrender: Rating SEIAA on faster clearances

If rating of the State Environment Impact Assessment Authorities (SEIAA) of various states were to be done, it has to be based on how rigorous, how transparent, how participatory, how well defined, how consistent, how comprehensive, how rules following has been the functioning of the various SEIAA. Such an exercise has to be done by a panel of independent experts, who are experienced and knowledgeable about the various aspects of environmental governance and functioning of these authorities. In fact the exercise should also include the National EIAA too and the various Expert Appraisal Committees under it. It clearly cannot be what the MoEF has now proposed. What MoEF has proposed is completely against all basic norms of environmental governance and is part of MoEF’s complete surrender to the vested interests and not is not in the interest of environment governance. As the Tribune editorial noted, such blatant disregard of the environment is completely unacceptable. Similarly as the TOI editorial said, SEIAAs need to be independent of both business and governments. They should put the environment first, and last. There is a role of judiciary to step in here and ensure that MoEF does not go down this path.

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DRP News Bulletin

DRP NB 10 Jan 2022: Positive Groundwater stories from TN, Haryana

It’s rather rare that we have some positive stories related to groundwater. This week we have two: One each from Tamil Nadu and Haryana. A recent performance audit report, the CAG has lauded the Tamil Nadu Govt for regulating industry’s groundwater extraction. The CAG has also lauded TN for adopting ‘firka’(which are smaller than blocks and encompasses 10-15 villages) as the assessment unit in 2011 because this is expected to help in identification of pockets of groundwater potential within the over- exploited and critical blocks.

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