Why are severe and intense cyclones becoming a regular phenomenon in the Arabian Sea? Substantiate with examples. (Answer in 150 words) 10 marks
Introduction
Cyclones are low pressure depressions that impact coastal rain, inundation & floods ex: Cyclone Biparjoy on west coast.
18 words
Main Body
Diagram showing map of India with west coast and east coast, cyclone paths of Amphan and Biparjoy. West coast cyclones Biparjoy, Vayu rising in Arabian Sea. 1) Climate change induced?
Continuation: 2) Weak Indian Ocean Dipole & impact on higher sea surface temperature. 3) Role of delay in tropical easterly jet stream onset. 4) Mascarene high. 5) Weakening of oceanic circulation & Atlantic Meridional Oscillation/Madden-Julian Oscillation. 6) Sea level rise & thermal expansion of water.
Conclusion
Recent cyclones of Vayu, Biparjoy, Ocheki are to be studied for western coastal shelters, EWS (Early Warning Systems) on longer run.
21 words
Diagram
Map of India showing West Coast and East Coast with cyclone tracks labeled Amphan (east coast) and Biparjoy (west coast)
- Good use of recent cyclone examples
- Visual map representation
Chandana Jahnavi
Geography
Geophysical Phenomena
Cyclones in Arabian Sea
114
Total words
1
Paragraphs
Point-wise, diagrammatic
Tone