Īt present, tropical cyclones are officially named by one of eleven warning centers and retain their names throughout their lifetimes to facilitate the effective communication of forecasts and storm-related hazards to the general public. Formal naming schemes have subsequently been introduced for the North Atlantic, Eastern, Central, Western and Southern Pacific basins as well as the Australian region and Indian Ocean. This system of naming weather systems subsequently fell into disuse for several years after Wragge retired until it was revived in the latter part of World War II for the Western Pacific. The credit for the first usage of personal names for weather systems is generally given to the Queensland Government Meteorologist Clement Wragge, who named systems between 18. Papua New Guinea National Weather Serviceīrazilian Navy Hydrographic Center (unofficial)īefore the formal start of naming, tropical cyclones were often named after places, objects, or saints' feast days on which they occurred. Indonesian Agency for Meteorology, Climatology and Geophysics United States Central Pacific Hurricane Center Main articles: History of tropical cyclone naming and List of historic tropical cyclone names Tropical cyclone naming institutionsĮquator northward, European and African Atlantic Coasts – 140°W Formal naming schemes and lists have subsequently been used for major storms in the Eastern, Central, Western and Southern Pacific basins, and the Australian region, Atlantic Ocean and Indian Ocean. When Wragge retired, the practice fell into disuse for several years until it was revived in the latter part of World War II for the Western Pacific. Credit for the first usage of personal names for weather systems is generally given to Queensland Government Meteorologist Clement Wragge, who named systems between 18. Some tropical depressions are named in the Western Pacific, while tropical cyclones must contain a significant amount of gale-force winds before they are named in the Southern Hemisphere.īefore it became standard practice to give personal (first) names to tropical cyclones, they were named after places, objects, or the saints' feast days on which they occurred. Once storms develop sustained wind speeds of more than 33 knots (61 km/h 38 mph), names are generally assigned to them from predetermined lists, depending on the basin in which they originate.
The names are intended to reduce confusion in the event of concurrent storms in the same basin. Tropical cyclones and subtropical cyclones are named by various warning centers to simplify communication between forecasters and the general public regarding forecasts, watches and warnings.
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