The Bay of Bengal deep depression hit India's eastern coast on September 23
GS1History · Society · Geography· Geophysical phenomena (earthquakes, cyclones, volcanoes)· Prelims·
Climate change and hydrological management: a GS1 and GS3 case study on extreme weather events.
Why in news
A deep depression in the Bay of Bengal caused extreme rainfall and flooding across Odisha, Uttar Pradesh, and Bihar, leading to mass evacuations and dam gate openings.
Background
The depression hit the eastern coast on September 23, causing rainfall in Odisha to be 457.9% above normal. In Uttar Pradesh, rainfall exceeded normal by 543.8%, resulting in 56 deaths and over 1,000 damaged houses.
Facts for Prelims
- FactOdisha rainfall: 457.9% above normal between September 23 and 28
- FactUttar Pradesh rainfall: 543.8% above normal
- FactBalasore evacuation: 67,266 people moved from low-lying areas
- PlaceHirakud Dam: Opened 28 gates due to rising water levels
- FactBihar rainfall surplus: 101.8%
Prelims practice question
Which state recorded the highest excess rainfall at 543.8% during the Bay of Bengal deep depression?
- (a)Jharkhand
- (b)Uttar Pradesh
- (c)West Bengal
- (d)Madhya Pradesh
Show answer
Answer: (b) Uttar Pradesh — The note states that Uttar Pradesh recorded the highest excess rainfall at 543.8% during the depression.
For Mains
Q. Discuss the challenges in managing extreme rainfall events and flood-prone regions in Eastern India, highlighting the role of early warning systems and infrastructure.
Dimensions to cover in your answer
- Hydrological management: Balancing dam discharge with downstream flood risks in the Mahanadi basin
- Climate vulnerability: High rainfall surplus in the Indo-Gangetic plain causing rapid urban and rural flooding
Keywords: cyclonic depression · hydrological management · disaster mitigation · climate resilience · early warning systems
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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.