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2015–16 Australian region cyclone season
The 2015–16 Australian region cyclone season will be the period of the year when most tropical cyclones form within the Southern Indian Ocean and Pacific Oceans between 90°E and 160°E. The season officially runs from 1 November 2015 to 30 April 2016, however a tropical cyclone could form at any time between 1 July 2015 and 30 June 2016 and would count towards the season total. During the season, tropical cyclones will be officially monitored, by one of the five Tropical Cyclone Warning Centres (TCWCs) that operate in this region. Three of the five centres are operated by the Australian Bureau of Meteorology (BoM) in Perth, Darwin, and Brisbane, while the other two are operated by the National Weather Service of Papua New Guinea in Port Moresby and the Indonesian Agency for Meteorology, Climatology and Geophysics in Jakarta, Indonesia. The United States Joint Typhoon Warning Center (JTWC) and other national meteorological services including Météo-France and the Fiji Meteorological Service will also monitor the basin during the season.
The season had an early start when the precursor tropical depression moved into the Australian region from the South Pacific basin and became Tropical Cyclone Raquel late on 30 June. The system subsequently became the first tropical cyclone in the South Pacific Ocean during the month of July, since reliable records started.
==Seasonal forecasts==
In addition to contributing towards the Island Climate Update outlook, the BoM issued eight seasonal forecasts during October 2015, for the Australian region and the Southern Pacific with each forecast covering the whole tropical cyclone year.〔 It was forecast that the region would less active than during previous years, with a 91% chance of a below average amount of tropical cyclones, because of the strong El Nino episode that had developed over the Pacific Ocean.〔 It was also noted that the first tropical cyclone landfall might be later than usual, with the average first landfall taking place in January during El Niño conditions.〔 For the Western region between 90°E and 125°E, the BoM forecast that the area would also see activity below its average of 7, with a 25% chance of an above average number of tropical cyclones occurring.〔 TCWC Perth also noted that there was a likelihood of two tropical cyclones and a significant likelhood of at least one severe tropical cyclone impacting Western Australia. For the North-Western subregion between 105°E and 130°E, it was predicted that activity would be below average, with a 15% chance of above average tropical cyclone activity.〔 The Northern Territory which was defined as being between as being 125°E and 142.5°E had a 36% chance of an above average season.〔 The Eastern region between 142.5°E and 160°E was predicted to have a near normal tropical cyclone season, though it was noted that there was a possibility of a delayed start to the season.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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