An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of June 2023, the first month of India’s South West Monsoon 2022 shows that there were instances (462 in June 2022[i] and 442 in June 2021) when district rainfall of a day was above 50 mm. This is high considering that the rainfall of India in June 2023 was 148.6 mm[ii], the rainfall of India in June 2022 was 152.3 mm[iii], or daily average rainfall is about 5 mm. The high rainfall instances in June 2023 included 339 (339 and 371 in June 2022 and 2021) instances when rainfall was 50-100 mm, 68 instances (68 and 59 in June 2022 & 2021) when it was 100-150 mm, 26 (26 and 5 times in June 2022 & 2021) times it was 150-200 mm and 29 (29 & 7 times in June 2022 & 2021) times above 200 mm.
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June 2023: District wise rainfall in India’s SW Monsoon
In the just concluded month June 2023, the first month of India’s South West 2023 monsoon, India received 148.6 mm rainfall, 10% below the normal June rainfall of 165.3 mm as per India Meteorological department. In June 2022, the rainfall was 152.3 mm, 8% below normal, in June 2021, the rainfall was 182.9 mm[i], about 11% above normal and in June 2020, the rainfall was 196.9 mm, or about 18% above normal and in June 2019 it was 33% below normal.
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WMO Global Water Report asks for better & shared water data; reduced terrestrial water storage in North India
On Nov 29, 2022, the World Meteorological Organization (WMO) has published its first State of Global Water Resources report to assess the effects of climate, environmental and societal change on the Earth’s water resources. The aim of this annual report is to support monitoring and management of global freshwater resources in an era of growing demand and limited supplies. For report and other related materials, see: https://public.wmo.int/en/our-mandate/water/state-of-global-water-resources
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High Rainfall days in India’s districts in SW Monsoon 2022
An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for India’s South West Monsoon 2022 shows that there were 2079 instances when a district rainfall of a day was above 50 mm. Such high rainfall instances included 1712 instances when rainfall was 50-100 mm, 288 instances when it was 100-150 mm, 53 times it was 150-200 mm and 26 times above 200 mm. Out of 694 districts of India, 527 districts or, about 76% of the districts experienced such high rainfall days during SW monsoon 2021.
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2022: CWC Flood Monitoring Sites in North India
(Feature image: Bar Chart showing number of Level Forecast/Monitoring, Inflow Forecast sites in North Indian States & UTs)
Continuing analysis of Central Water Commission’s flood forecast website, SANDRP presents the details of flood monitoring sites in North Indian states comprising Union Territories of Jammu & Kashmir, Ladakh, Chandigarh, Delhi and states of Himachal Pradesh, Uttarakhand, Punjab, Haryana and Uttar Pradesh. Before this, we have prepared similar critical reports and highlighted problematic issues in flood monitoring sites in North India in 2018, 2019 and 2020.
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High Rainfall days in India’s districts in SW Monsoon 2021
An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for India’s South West Monsoon 2021 shows that there were 2079 instances when a district rainfall of a day was above 50 mm. Such high rainfall instances included 1712 instances when rainfall was 50-100 mm, 288 instances when it was 100-150 mm, 53 times it was 150-200 mm and 26 times above 200 mm. Out of 694 districts of India, 527 districts or, about 76% of the districts experienced such high rainfall days during SW monsoon 2021.
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High Rainfall days in India’s districts in Sept 2021
An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of September 2021, the last month of India’s South West Monsoon 2021 shows that there were 489 instances when district rainfall of a day was above 50 mm. The normal monthly rainfall of India for Sept is 170.2 mm and actual rainfall was a huge 34.96% above normal at 229.7 mm[i], the actual average daily rainfall in this month was about 7.66 mm. Such high rainfall instances included 374 instances when rainfall was 50-100 mm, 84 instances when it was 100-150 mm, 20 times it was 150-200 mm and eleven times above 200 mm.
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High Rainfall days in India’s districts in August 2021
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 431 instances when district rainfall of a day was above 50 mm. The normal monthly rainfall of India Aug is 258.2 mm and actual rainfall was a huge 24.13% below normal at 195.9 mm[i], the actual average daily rainfall in this month was about 6.45 mm. Such high rainfall instances included 371 instances when rainfall was 50-100 mm, 48 instances when it was 100-150 mm, 11 times it was 150-200 mm and just once above 200 mm. Interestingly, in June 2021[ii] and July 2021[iii] there were seven instances when rainfall was above 200 mm, when the rainfall is supposed to be much below July rainfall. As noted in detailed article[iv], the July 2021 rainfall all over India was 6.7% below normal.
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High Rainfall days in India’s districts in June 2021
An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for the month of June 2021, the first month of India’s South West Monsoon 2021 shows that there were 442 instances when district rainfall of a day was above 50 mm, which is high considering that the normal monthly rainfall of India in this month is 166.9 mm, or daily average rainfall is about 5.6 mm. Such high rainfall instances included 371 instances when rainfall was 50-100 mm, 59 instances when it was 100-150 mm, 5 times it was 150-200 mm and 7 times above 200 mm. As noted in detailed article, the June 2021 rainfall all over India was 11% above normal.
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2021 Summer: North India staring at severe water crisis?
The water scarcity alarm bells have started ringing in Himachal Pradesh and Uttarakhand, both Himalayan states bestowed with plenty of natural water sources including springs, glaciers lakes and rivers. The reservoirs inside and at the border areas of these states that cater to water needs of Punjab, Haryana, Delhi, Rajasthan and Uttar Pradesh are at low levels.
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