Score:
9.5/15
Analyze what earned this score 🔥
Topper’s Copy
GS1
Physical Geography
15 marks
Why is the Bay of Bengal particularly prone to tropical cyclones during October and November? Discuss the major factors responsible for their formation and intensification.
Student’s Answer
Evaluation by SuperKalam
Demand of the Question
- Why the Bay of Bengal sees frequent cyclones in October-November
- What factors cause their formation in this specific season
- What conditions drive their intensification into severe storms
What you wrote:
The Bay of Bengal is one of the world's most cyclone-prone regions, with the significant concentration of tropical cyclones occurring during the post-monsoon months of October and November. The withdrawal of the southwest monsoon, favourable sea-surface temperatures and conducive atmospheric conditions make this period particularly suitable for cyclone formation and intensification.
The Bay of Bengal is one of the world's most cyclone-prone regions, with the significant concentration of tropical cyclones occurring during the post-monsoon months of October and November. The withdrawal of the southwest monsoon, favourable sea-surface temperatures and conducive atmospheric conditions make this period particularly suitable for cyclone formation and intensification.
Suggestions to improve:
- Can keep this introduction brief, leaving the detailed explanation of each condition to the body.
What you wrote:
-> why october and November?
[FLOWCHART: "withdrawal of southwest monsoon" -> branch downwards with bullets: "change in wind pattern", "formation of low pressure system"; downward arrow from "withdrawal of southwest monsoon" to "High sea surface Temperature (≥ 26.5°C)" with bullets: "Heat stored during summer monsoon.", "Provides energy through evaporation."; downward arrow from "High sea surface Temperature (≥ 26.5°C)" to "High evaporation & moisture supply." with bullets: "Abundant moisture over Bay of Bengal.", "favourable atmospheric instability."; downward arrow from "High evaporation & moisture supply." to "Low vertical wind shear and favourable upper-air condition."; downward arrow from "Low vertical wind shear and favourable upper-air condition." to "organised convection and cyclonic circulation"; downward arrow from "organised convection and cyclonic circulation" to "formation and intensification of tropical cyclones (October - November)"]
-> why october and November?
[FLOWCHART: "withdrawal of southwest monsoon" -> branch downwards with bullets: "change in wind pattern", "formation of low pressure system"; downward arrow from "withdrawal of southwest monsoon" to "High sea surface Temperature (≥ 26.5°C)" with bullets: "Heat stored during summer monsoon.", "Provides energy through evaporation."; downward arrow from "High sea surface Temperature (≥ 26.5°C)" to "High evaporation & moisture supply." with bullets: "Abundant moisture over Bay of Bengal.", "favourable atmospheric instability."; downward arrow from "High evaporation & moisture supply." to "Low vertical wind shear and favourable upper-air condition."; downward arrow from "Low vertical wind shear and favourable upper-air condition." to "organised convection and cyclonic circulation"; downward arrow from "organised convection and cyclonic circulation" to "formation and intensification of tropical cyclones (October - November)"]
Suggestions to improve:
- Can add the southward retreat of the ITCZ over the southern Bay during October-November, explaining how it provides low-level convergence.
- Could redraw the flowchart with warm water, moisture and low wind shear as parallel branches joining at “organised convection and cyclonic circulation.”
What you wrote:
-> Major factors Responsible
1 High sea-surface temperature: waters remain around or above 28°C, providing energy through evaporation and latent heat release.
2 High atmospheric moisture: Abundant moisture fuels deep convection and thunderstorms.
3 Low vertical wind shear: Helps maintain the vertical structure of the cyclone.
4 Coriolis force: Provides the necessary rotational force for cyclonic circulation.
5 Atmospheric disturbances: Easterly waves, monsoon trough remnants and low pressure systems can trigger cyclogenesis.
6 Seasonal transition: withdrawal of the southwest monsoon creates favourable atmospheric conditions.
7 Ocean stratification: Freshwater from major rivers (Ganga, Brahmaputra, Irrawaddy) reduces vertical mixing and helps maintain warm surface waters.
8 Geographical factors: The funnel-shaped northern Bay and shallow continental shelf amplify storm surges and support intensification near landfall.
-> Major factors Responsible
1 High sea-surface temperature: waters remain around or above 28°C, providing energy through evaporation and latent heat release.
2 High atmospheric moisture: Abundant moisture fuels deep convection and thunderstorms.
3 Low vertical wind shear: Helps maintain the vertical structure of the cyclone.
4 Coriolis force: Provides the necessary rotational force for cyclonic circulation.
5 Atmospheric disturbances: Easterly waves, monsoon trough remnants and low pressure systems can trigger cyclogenesis.
6 Seasonal transition: withdrawal of the southwest monsoon creates favourable atmospheric conditions.
7 Ocean stratification: Freshwater from major rivers (Ganga, Brahmaputra, Irrawaddy) reduces vertical mixing and helps maintain warm surface waters.
8 Geographical factors: The funnel-shaped northern Bay and shallow continental shelf amplify storm surges and support intensification near landfall.
Suggestions to improve:
- Can expand the existing latent-heat point into a short explanation of strengthening: heat release supports rising air, falling central pressure and stronger inward winds.
- Could explain how remnants of West Pacific typhoons crossing the South China Sea and Indochina can seed disturbances in the Bay during this period.
- Can keep the funnel shape and shallow shelf as a brief impact point, rather than using storm-surge amplification as the main explanation of intensification.
What you wrote:
The Bay of Bengal is particularly prone to tropical cyclones in October and November due to the combination of warm ocean waters, abundant moisture, favourable atmospheric circulation, and geographical conditions. Strengthening early-warning systems, coastal resilience and effective disaster management is essential to reduce the impact of these cyclones.
The Bay of Bengal is particularly prone to tropical cyclones in October and November due to the combination of warm ocean waters, abundant moisture, favourable atmospheric circulation, and geographical conditions. Strengthening early-warning systems, coastal resilience and effective disaster management is essential to reduce the impact of these cyclones.
Suggestions to improve:
- Could give greater emphasis to how favourable seasonal circulation and warm, moisture-rich conditions work together.
- Can shorten the disaster-management ending so it does not replace the final synthesis of formation and intensification.
Your answer has clear organisation and useful physical processes. Strengthen the seasonal explanation and show how storms intensify; these changes will make your discussion more convincing.
Demand of the Question
- Why the Bay of Bengal sees frequent cyclones in October-November
- What factors cause their formation in this specific season
- What conditions drive their intensification into severe storms
What you wrote:
The Bay of Bengal is one of the world's most cyclone-prone regions, with the significant concentration of tropical cyclones occurring during the post-monsoon months of October and November. The withdrawal of the southwest monsoon, favourable sea-surface temperatures and conducive atmospheric conditions make this period particularly suitable for cyclone formation and intensification.
The Bay of Bengal is one of the world's most cyclone-prone regions, with the significant concentration of tropical cyclones occurring during the post-monsoon months of October and November. The withdrawal of the southwest monsoon, favourable sea-surface temperatures and conducive atmospheric conditions make this period particularly suitable for cyclone formation and intensification.
Suggestions to improve:
- Can keep this introduction brief, leaving the detailed explanation of each condition to the body.
More Challenges
View All- View Challenge
GS3
Internal Security
5 Nov, 2026
What are the major objectives of the Agnipath scheme? Discuss the concerns associated with its implementation and suggest measures to address them.
- View Challenge
GS2
International Relations
Yesterday
How do changes in immigration policies of developed countries affect Indian workers abroad? Discuss the major challenges and suggest measures to protect their interests.
- View Challenge
GS3
Science & Technology
3 Nov, 2026
Why is accountability important in the use of Artificial Intelligence in telecom services? Discuss the major risks and suggest measures to ensure responsible AI use.
SuperKalam is your personal mentor for UPSC preparation, guiding you at every step of the exam journey.
Download the App
STUDY RESOURCES
CONTACT US
ⓒ Snapstack Technologies Private Limited