Karnataka faces -32% rainfall deficit as Bengaluru South sees -87% drop
GS1History · Society · Geography· Geophysical phenomena (earthquakes, cyclones, volcanoes)· Prelims·
Climate change and El Nino impacts on monsoon patterns: a GS1 Geography and GS3 Disaster Management case study.
Why in news
The India Meteorological Department (IMD) reported a significant rainfall deficit in Karnataka, with Bengaluru South experiencing a severe -87% drop attributed to El Nino conditions.
Background
Karnataka received 564.6 mm of rainfall against a normal of 831.8 mm. Bengaluru South recorded an -87% deficit, while Bengaluru Urban received 258.7 mm against a normal of 452.4 mm.
Facts for Prelims
- FactKarnataka rainfall deficit: -32% (564.6 mm received vs 831.8 mm normal)
- FactBengaluru South rainfall deficit: -87%
- FactBengaluru Urban rainfall: 258.7 mm against a normal of 452.4 mm
- S&TEl Nino conditions were cited as a primary driver for the rainfall deficit
- BodyIndia Meteorological Department (IMD) is the agency responsible for reporting rainfall data
Prelims practice question
Which climatic phenomenon was cited as a primary driver for the rainfall deficit in Karnataka?
- (a)Madden-Julian Oscillation
- (b)Indian Ocean Dipole
- (c)La Nina
- (d)El Nino
Show answer
Answer: (d) El Nino — The India Meteorological Department attributed the rainfall deficit to El Nino conditions.
For Mains
Q. Analyze the impact of El Nino and climate variability on India's monsoon patterns and suggest measures to mitigate agricultural risks in deficit-prone regions.
Dimensions to cover in your answer
- Hydrological stress: Acute groundwater depletion in urban hubs like Bengaluru due to erratic rainfall
- Agricultural vulnerability: Crop failure risks in Karnataka's rain-fed farming zones during El Nino cycles
Keywords: El Nino · Monsoon variability · Rainfall deficit · Climate resilience · Hydrological stress
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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.