General Studies 2024 GS Paper I 10 marks 150 words Compulsory Explain

Q6

What is the phenomenon of 'cloudbursts'? Explain. (Answer in 150 words) 10

हिंदी में प्रश्न पढ़ें

'बादल फटने' की परिघटना क्या है? व्याख्या कीजिए। (उत्तर 150 शब्दों में दीजिए)

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Directive word: Explain

This question asks you to explain. The directive word signals the depth of analysis expected, the structure of your answer, and the weight of evidence you must bring.

See our UPSC directive words guide for a full breakdown of how to respond to each command word.

How this answer will be evaluated

Approach

The directive 'explain' requires a clear exposition of what cloudbursts are, how they occur, and why they matter. Structure as: brief definition (25-30 words) → mechanism/causes (40-50 words) → Indian examples with impacts (40-50 words) → concluding significance (20-30 words). Avoid conflating with normal heavy rainfall.

Key points expected

Precise definition: extreme localized rainfall (>100 mm/hour) over small area (<20-30 sq km) in short duration
Meteorological mechanism: orographic lifting, cumulonimbus clouds, vertical air currents, freezing level dynamics
Distinction from normal monsoon/heavy rainfall in intensity, duration and spatial coverage
Indian hotspots: Uttarakhand (2013 Kedarnath), Himachal Pradesh, Western Ghats, Northeast; recent 2023/2024 incidents
Impacts: flash floods, landslides, infrastructure damage, loss of life in Himalayan terrain
Early warning challenges due to localized nature and topographic complexity

Evaluation rubric

Dimension	Weight	Max marks	Excellent	Average	Poor
Demand-directive understanding	20%	2	Answer explicitly defines cloudburst with quantitative thresholds (100mm/hr, <30 sq km) and distinguishes it from heavy rainfall/monsoon; addresses 'what' and 'how' of the phenomenon without drifting into general flood management	Provides basic definition but misses quantitative precision or conflates cloudburst with general heavy rainfall; partial grasp of directive scope	Describes floods/landslides without defining cloudburst phenomenon; treats as synonym for cloudburst or ignores the specific meteorological event entirely
Content depth & accuracy	20%	2	Accurately explains orographic mechanism, cumulonimbus cloud dynamics, and freezing level role; correctly notes unpredictability and small spatial scale; no scientific errors	Mentions clouds and mountains but mechanism vague or partially inaccurate; confuses cloudburst with cloud seeding or general convection	Scientifically incorrect explanation (e.g., cloud bursting physically, dam failure causing cloudburst); major factual errors on meteorology
Structure & flow	20%	2	Logical progression: definition → formation mechanism → characteristics → impacts/examples; smooth transitions; 140-150 words with no redundancy; paragraphing aids readability	Present but uneven flow; either definition too long or mechanism rushed; some repetition; 120-140 words or slightly over	Disorganized or fragmented; no clear separation between definition and mechanism; severe under/over length (<100 or >170 words); bullet points used inappropriately for 10-mark descriptive
Examples / case-law / data	20%	2	Specific Indian examples with years: 2013 Kedarnath (Uttarakhand), 2021 Himachal/Maharashtra, 2024 incidents; mentions IMD criteria or rainfall data; links to Himalayan vulnerability	Generic mention of 'Uttarakhand floods' or 'Himalayan region' without specific events; or only one dated example; no quantitative data	No Indian examples; uses international cases only (if any); or examples actually describe normal monsoon floods not cloudbursts; factually wrong dates/locations
Conclusion & analytical edge	20%	2	Brief analytical conclusion on climate change link (increasing frequency), prediction challenges, or need for localized Doppler radar; shows awareness of policy relevance without becoming prescriptive	Generic concluding sentence on 'need for awareness' or 'disaster management'; no analytical insight; or abrupt ending without conclusion	No conclusion; or lengthy digression into disaster management recommendations, early warning systems details, or climate change mitigation—losing focus on explaining the phenomenon itself

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