In the just concluded month of Aug 2024, India received just 295.2 mm (162.7 mm or 36.2% below normal in Aug 2023[i], 263.8 mm in Aug 2022, 3.5% above the normal[ii]) or 15.8% above normal rainfall of 254.9 mm as per India Meteorological department (IMD). In Aug 2021, the rainfall was 195.9 mm[iii], about 24.13% below normal and in Aug 2020, the rainfall was 327 mm[iv], or about 26.6% above normal.
Continue reading “June Aug 2024: District wise rainfall in India’s SW Monsoon”Tag: Sikkim
Aug 2024: Massive Landslide damages NHPC’s Teesta V Hydropower station
A massive landslide (location: [27.2515, 88.4594]) at Dipu Data near Singtam in Gangtok district that brought down a huge part of a hill above the power house of the NHPC’s 510 MW Teesta V hydropower project on Teesta river in Sikkim at 7.30 in the morning of Aug 20 2024 has damaged the power house. The GIS building above the underground power house located at Balutar can be seen getting destroyed in the massive landslide and getting buried under the debris. The project has been out of operation since the Oct 4 2023 GLOF disaster in Teesta river[i] had over topped the dam and seriously damaged the project.
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2023: ‘Cloudburst’ Incidents in J&K, Ladakh & North East
(Feature Image:- Locals walk across a damaged road following flash floods due to cloudburst in the Naginar area of Faqir Gujri, on the outskirts of Srinagar, Saturday, July 22, 2023. Photo: PTI/S. Irfan)
This article is about ‘cloudburst’ incidents that have taken place in Jammu & Kashmir, Ladakah in North West Himalayan states and in Arunachal Pradesh and Sikkim in North East Himalayan states during south west monsoon 2023 season. SANDRP has earlier published detailed analysis on ‘cloudburst’ incidents in Uttarakhand and Himachal Pradesh states in SW Monsoon 2023.
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DRP NB 091023: MoEF Panel concerned about impacts of Small Hydro
(Gangani SHP on Yamuna river in Uttarkashi affected by June 2013 flash flood. Image: Yamuna Jiye Abhiyan/July 2013)
The Forest Advisory Committee of Union Ministry of Environment and Forests (MoEF) have rightly raised concerns about the impacts of so called small hydropower projects, that is hydropower projects with capacity below 25 MW. The MoEF assumes, following such unknown science or logic, that such projects have no environment and social impacts, they do not need environment and social impact assessments or management plan, they do not need any public consultation process, they do not need any monitoring or compliance and most significantly, they do not even need any clearances! A more unscientific thinking of the govt of India’s top environmental body would be difficult to find.
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Oct 2023: CWC Flood Forecast FAILS during Teesta Glacial Floods
(Feature Image: NHPC’s Teesta VI hydro project at Sirwani, Sikkim affected by GLOF deluge on Oct. 04, 2023. Image Source: Weatherman Shubham.)
The Teesta River has witnessed unprecedented scale of floods following South Lohnak Glacial Lake Outburst Flood (GLOF) event in the intermittent night of October 03-04, 2023. The details and impact of the deluge can be seen here. The incident has once again underlined shortcomings in Central Water Commission’s (CWC) flood monitoring and forecasts work.
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Glacial Lake FLood destroys Teesta-3 Dam in Sikkim, brings wide-spread destruction
A Glacial Lake Outburst Flood (GLOF) that originated at South Lhonak Glacial Lake at around 00.40 hours on Oct 4, 2023, washed away the 60 m high dam of Sikkim’s biggest hydropower project, the 1200 MW Teesta 3 HEP. The flood has brought unprecedented disaster all along the river in Sikkim and further downstream in W Bengal and then Bangladesh. Central Water Commission (CWC) reported early in the morning of Oct 4 that there was cloud burst at the site of the lake burst, the cloud burst could have played the role in triggering the lake burst. (Feature image above: A combination of before after photos of Teesta 3 dam put together by Siddharth Agarwal.)
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Sikkim: Landslide near NHPC’s Teesta V dam in March 2023
(Feature Image: Screen grab of Sikkim Spectators field visit video report interviewing landslide affected local people)
NHPC’s Teesta V HEP dam site has again witnessed a disastrous landslide. The incident occurred between 02:00 am and 03:00 am on Sunday, March 26, 2023 in Sokpay village area under Dikchu Zang block of Gangtok district. The same morning, Gyatso Lepcha of Affected Citizens of Teesta (ACT), Sikkim alerted SANDRP about the landslide.
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Sikkim HC Order on Public Safety at Hydropower projects
Sikkim High Court Order on Dec 5, 2022 in the matter of death of two persons on May 23 2020 due to drowning following sudden release of water from a private hydropower project flags very important lessons that are relevant for all hydropower projects in India.[i]
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June July 2021 District Wise SW Monsoon Rainfall in India
In the just concluded month of July 2021, India received 266.1 mm rainfall, that is 6.73% below normal July rainfall of 285.3 mm, as per India Meteorological Department (IMD). This is in contrast with June 2021 rainfall, that was almost 11% surplus over Normal rainfall. Not only that surplus has been wiped out by the July 2021 deficit, the overall June July 2021 rainfall now is 449 mm, or about 0.7% below normal rainfall of 452.2 mm, as per IMD.
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June 2021: District wise rainfall in India’s SW Monsoon
In the just concluded June 2021, the first month of India’s South West 2021 monsoon, India received 182.9 mm rainfall, 10.96% or about 11% more than the normal June rainfall of 166.9 mm as per India Meteorological department. 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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SANDRP 