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NAMING OF TROPICAL CYCLONES

Tropical cyclones and subtropical cyclones are named by various warning centres to simplify communication between forecasters and the general public regarding forecasts, watches and warnings. The names are intended to reduce confusion in
the event of concurrent storms in the same basin.

Worldwide there are six Regional Specialised Meteorological Centres (RSMCs) and five regional Tropical Cyclone Warning Centres (TCWCs) mandated for issuing advisories and naming of tropical cyclones. The tropical cyclones forming over different Ocean basins are named by the concerned RSMCs & TCWCs.

CRITERIA FOR NAMES

• The proposed name should be neutral to (a) politics and political figures (b) religious believes, (c) cultures and (d) gender Name should be chosen in such a way that it does not hurt the sentiments of any group of population over the globe
• It should not be very rude and cruel in nature
• It should be short, easy to pronounce and should not be offensive to any member
• The maximum length of the name will be eight letters
• The proposed name should be provided along with its pronunciation and voice over

NAMING PROCESS

Each regional body determines a pre-designated list of hurricane names for six years separately at its annual session. The pre-designated list of hurricane names are proposed by its Members that include National Meteorological and Hydrological Services. In general, tropical cyclones are named according to the rules at a regional level.

India Meteorological Department is one of the six RSMCs to provide tropical cyclone and storm surge advisories to 13 member countries under WMO/ESCAP Panel including Bangladesh, India, Iran, Maldives, Myanmar, Oman, Pakistan, Qatar, Saudi Arabia, Sri Lanka, Thailand, United Arab Emirates and Yemen. RSMC, New Delhi is also mandated to name the Tropical Cyclones developing over the north Indian Ocean (NIO) including the Bay of Bengal (BoB) and the Arabian Sea (AS).