The recent cyclone on the east coast of India was called “Phailin”. How are the tropical cyclones named across the world? Elaborate.

GS 1

Indian Geography

2013

5 Marks

The naming of tropical cyclones follows a systematic global framework coordinated by international meteorological organizations to ensure effective disaster communication and preparedness.

World Map of Tropical Cyclone Basins

Global Cyclone Naming Framework

World Meteorological Organization (WMO) coordinates the international naming system through Regional Specialized Meteorological Centres (RSMCs) across different ocean basins
Each RSMC maintains rotating lists of pre-approved names used sequentially for tropical cyclones in their designated regions
Names are selected to be short, easily pronounceable, and culturally neutral to facilitate clear communication during emergencies
Gender-balanced naming is maintained with alternating male and female names in most regions
Names causing extensive damage are permanently retired from future use (Example: Hurricane Katrina, Cyclone Nargis)

Regional Naming Systems Across Ocean Basins

(SK Map: Global Cyclone Naming Regions - showing different ocean basins and their respective naming authorities)

Ocean Basin	Naming Authority	Contributing Countries/Regions	Total Names
North Indian Ocean	IMD (RSMC New Delhi)	8 countries (India, Bangladesh, Myanmar, Maldives, Oman, Pakistan, Sri Lanka, Thailand)	104 names
North Atlantic	National Hurricane Center (USA)	Single authority using alphabetical lists	21 names per season
Western Pacific	ESCAP/WMO Typhoon Committee	14 Asian countries	140 names
South Pacific	Regional committees	Australia, Fiji, New Zealand	Multiple lists

North Indian Ocean Naming Process

India Meteorological Department (IMD) serves as RSMC for the North Indian Ocean region since 2020
Each of the 8 member countries contributes 13 names, creating a comprehensive pool used sequentially
Recent examples from the list: Cyclone Amphan (2020), Cyclone Yaas (2021), Cyclone Mandous (2022)
Names reflect regional linguistic diversity while maintaining international pronunciation standards
Phailin (2013) was contributed by Thailand, demonstrating the multilateral nature of the system

Benefits and Significance

Enables simultaneous tracking of multiple storms without confusion
Facilitates rapid communication between meteorological centers, disaster management agencies, and media
Promotes regional cooperation in disaster preparedness and response coordination
Supports public awareness campaigns and evacuation planning through memorable storm identification

This systematic approach has significantly improved early warning systems and disaster response mechanisms. The success is evident in recent cyclones like Cyclone Fani (2019), where coordinated naming and communication helped evacuate over 1.2 million people, minimizing casualties despite the storm's intensity.

Answer Length

Model answers may exceed the word limit for better clarity and depth. Use them as a guide, but always frame your final answer within the exam’s prescribed limit.