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

Introduction

Tropical cyclones are named to facilitate quick identification, enhance public awareness, and streamline communication during disaster management. The naming process varies across the world and is governed by regional meteorological organizations under the guidance of the World Meteorological Organization (WMO).

Value Addition Block — Regional Cyclone Naming Bodies

Process of Naming Tropical Cyclones

1. Global Framework

• The WMO coordinates the naming process through its Regional Specialized Meteorological Centers (RSMCs) and Tropical Cyclone Warning Centers (TCWCs).
• Each region has its own list of pre-approved names contributed by member countries.

2. Regional Naming Mechanisms

• North Indian Ocean (Bay of Bengal and Arabian Sea):

  • Names are contributed by 13 member countries, including India, Bangladesh, and Myanmar.
  • The Indian Meteorological Department (IMD) is the nodal agency for naming cyclones in this region.
  • Example: "Phailin" was suggested by Thailand.

• North Atlantic Ocean:

  • Names are maintained by the National Hurricane Center (USA).
  • Example: Hurricane "Katrina" (2005).

• Western Pacific Ocean:

  • Names are contributed by 14 countries under the Japan Meteorological Agency.
  • Example: Typhoon "Haiyan" (2013).

• Southwest Indian Ocean:

  • Names are managed by Meteo-France.
  • Example: Cyclone "Idai" (2019).

3. Criteria for Naming

• Names are short, easy to pronounce, and culturally neutral.
• Offensive or politically sensitive names are avoided.
• Once a cyclone causes significant damage, its name is retired (e.g., "Katrina").

Conclusion

The naming of tropical cyclones is a collaborative global effort aimed at improving disaster preparedness and response. By ensuring clarity and consistency, this system plays a vital role in mitigating the impact of cyclones on vulnerable populations.