Climate Change · Disasters · Ganga · GLOF · Himalayas · Uttarakhand

DRP 110825: Non-Implementation of NDMA’s 2020 GLOF Guidelines Worsened Dharali Disaster

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Climate Change · Disasters

Dharali Disaster in Uttarakhand: Amplified by Human Causes

The frightening debris-laden flash flood disaster at Dharali town along Kheer Gad-Bhagirathi river just 20 km downstream of Gangotri at around 1.30 pm on Tuesday, Aug 5 has demolished over 40 buildings, with scores (68 as on Aug 13 as per the Dehradun-based State Emergency Operation Centre) of people, including nine army jawans, reported missing (the numbers could go up as per several geologists) and at least five dead. The ground zero is still largely inaccessible four days after the disaster. While the full details of what caused the disaster are still a bit uncertain, what is clear is that the warning signs were present, they were ignored and a number of human causes amplified the proportions of the disaster. The scene of the disaster was similar to what we saw in Chamoli in Feb 2021 when ice and debris laden stream destroyed two hydropower projects killed over a hundred people.

As geologists said, the disaster was waiting to happen, but our governance did not seem to know.

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Climate Change · Cloud Burst · Disasters · Floods · Himalayas · Monsoon

Aug 2025: Five Road Workers Missing After Flashfloods in Pauri-Uttarakhand

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Rainfall

High Rainfall days in India’s districts in July 2025

An analysis of the daily district wise rainfall data from India Meteorological Department (IMD) for July 2025 shows that there were 718 (down from 914 in July 2024, 855 in July 2023, 809 in July 2022 and almost same as 717 in July 2021) instances when district rainfall of a day was above 50 mm. Such high rainfall instances included 635 (down from 730 in July 2024, 660 in July 2023, 663 in July 2022, up from 595 in July 2021) instances when rainfall was 50-100 mm, 75 (143 in July 2024, 149 in July 2023, 107 in July 2022, 98 in July 2021) instances when it was 100-150 mm, 7 (27 in July 2024, 34 in July 2023, 28 in July 2022, 17 in July 2021) times when it was 150-200 mm and  just 1 (14 in July 2024, 12 in July 2023, 16 in July 2022 and 7 in July 2021) time when rainfall in July 2025 when rainfall was above 200 mm.

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Climate Change · Dams · Rivers

DRP 040825: Arunachal Activists urge Centre to find dimensions of China’s Medog Dam

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Alaknanda · Climate Change · Hydro Disaster · Landslide

Aug 2025: Rockslide at Vishnugad-Pipalkoti in Uttarakhand

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Climate Change · Cloud Burst · Hydro Disaster · Rivers

Aug 2025: Flashflood Damages Malana-I HEP in Himachal Pradesh Again

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Rainfall

June July 2025: District wise rainfall in  in India’s SW Monsoon

In July 2025, India received 294.3 mm (306.6 mm in July 2024[i], 318.4 in July 2023[ii] and 327.7 mm in July 2022[iii]) rainfall, 4.9% above (9.3 % above in July 2024, 13.5% above normal in July 2023 and 16.8% above normal in July 2022) the normal July rainfall of 280.5 mm as per India Meteorological department. So this is the fourth consecutive year when rainfall in July is above normal, the quantum has gone down with each passing year during these last four years.

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CWC - Central Water Commission · Highest Flood Level · River Basin

Rivers Crossing the Highest Flood Levels in July 2025

(Feature Image: Hydrograph of Pin river at Gulling site in Lahul & Spiti on July 04, 2025)

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