Climate change increased damage from tropical Cyclone Arnab by 33% in eastern India
GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims + Mains·
Climate attribution and economic impact of cyclones: a relevant GS3 Environment and Disaster Management case study.
Why in news
A study by Imperial College London’s Grantham Institute revealed that climate change increased the economic damage caused by tropical Cyclone Arnab in eastern India by 33%.
Background
The study, published on November 5, 2026, used the Imperial College Storm Model (IRIS) to simulate impacts. It concluded that human-induced warming added tens of millions of dollars in direct economic losses to the cyclone's impact.
Facts for Prelims
- S&TIRIS: Imperial College Storm Model used to simulate climate-related storm impacts
- PlaceCyclone Arnab impacted the eastern region of India
- FactClimate change contributed to a 33% increase in damage from Cyclone Arnab
Prelims practice question
Which model was used to simulate the impacts of climate-related storms in the study on Cyclone Arnab?
- (a)CRISP
- (b)SAGA
- (c)IRIS
- (d)MODIS
Show answer
Answer: (c) IRIS — The Imperial College Storm Model (IRIS) was used to simulate the impacts of the cyclone.
For Mains
Q. Discuss how anthropogenic climate change is intensifying the frequency and severity of tropical cyclones in the Bay of Bengal and their subsequent economic impacts.
Dimensions to cover in your answer
- Economic vulnerability: Escalating direct losses in eastern India due to intensified cyclone intensity
- Modeling limitations: Challenges in attributing specific economic losses to human-induced warming vs natural variability
Keywords: Anthropogenic warming · Climate attribution · Economic loss · Tropical cyclones · Climate modeling
More Environment & Ecology notes
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- Delhi government plans artificial rain to combat "severe" air pollution after Diwali · 5 November 2026
- Delhi eyes May 2029 Yamuna cleanup with Swedish sewage sludge management expertise · 5 November 2026
- Noida and Faridabad among 4 cities failing to complete air pollution source apportionment studies · 5 November 2026
- Cyclone Arnab and Murasu cause 7 deaths and ₹4,526 crore damage in Andhra Pradesh · 5 November 2026
- Puducherry restricts firecracker bursting to two hours daily following Supreme Court directive · 4 November 2026
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This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.