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The 2015 North Indian Ocean cyclone season is an ongoing event in the annual cycle of tropical cyclone formation. The North Indian Ocean cyclone season has no official bounds, but cyclones tend to form between April and December, with the peak from May to November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean. The scope of this article is limited to the Indian Ocean in the Northern Hemisphere, east of the Horn of Africa and west of the Malay Peninsula. There are two main seas in the North Indian Ocean — the Arabian Sea to the west of the Indian subcontinent, abbreviated ''ARB'' by the India Meteorological Department (IMD); and the Bay of Bengal to the east, abbreviated ''BOB'' by the IMD. The official Regional Specialized Meteorological Centre in this basin is the India Meteorological Department (IMD), while the Joint Typhoon Warning Center releases unofficial advisories. On average, three to four cyclonic storms form in this basin every season. ==Season summary== ImageSize = width:781 height:191 PlotArea = top:10 bottom:80 right:50 left:20 Legend = columns:3 left:30 top:58 columnwidth:270 AlignBars = early DateFormat = dd/mm/yyyy Period = from:01/06/2015 till:31/12/2015 TimeAxis = orientation:horizontal ScaleMinor = grid:black unit:month increment:1 start:01/06/2015 Colors = id:canvas value:gray(0.88) id:GP value:red id:TD value:rgb(0.5,0.8,1) legend:Depression id:DD value:rgb(0.37,0.73,1) legend:Deep_Depression id:TS value:rgb(0,0.98,0.96) legend:Cyclonic_Storm id:ST value:rgb(0.8,1,1) legend:Severe_Cyclonic_Storm id:VS value:rgb(1,1,0.8) legend:Very_Severe_Cyclonic_Storm id:ES value:rgb(1,0.76,0.25) legend:Extremely_Severe_Cyclonic_Storm id:SU value:rgb(1,0.38,0.38) legend:Super_Cyclonic_Storm Backgroundcolors = canvas:canvas BarData = barset:Hurricane bar:Month PlotData= barset:Hurricane width:10 align:left fontsize:S shift:(4,-4) anchor:till from:07/06/2015 till:12/06/2015 color:TS text:Ashobaa from:20/06/2015 till:22/06/2015 color:TD text:BOB 01 from:22/06/2015 till:24/06/2015 color:DD text:ARB 02 from:26/07/2015 till:02/08/2015 color:TS text:Komen from:09/10/2015 till:12/10/2015 color:DD text:ARB 03 barset:break from:28/10/2015 till:04/11/2015 color:ES text:Chapala from:05/11/2015 till:10/11/2015 color:ES text:Megh from:08/11/2015 till:10/11/2015 color:DD text:BOB 03 bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas from:01/06/2015 till:30/06/2015 text:June from:01/07/2015 till:31/07/2015 text:July from:01/08/2015 till:31/08/2015 text:August from:01/09/2015 till:30/09/2015 text:September from:01/10/2015 till:31/10/2015 text:October from:01/11/2015 till:30/11/2015 text:November from:01/12/2015 till:31/12/2015 text:December The Accumulated Cyclone Energy (ACE) index for the season as of 06:00 UTC on November 7 is 30.9425 ACE units. The season started rather late compared to the last two years, with the first storm, Ashobaa, not developing until June 7. Ashobaa was followed by 2 depressions, before Komen formed in July. Komen produced torrential rainfall in Bangledash. September featured no storms, before Chapala formed at the end of October. Chapala rapidly intensified over the Arabian Sea into an Extremely Severe Cyclonic Storm, becoming the strongest in the Arabian Sea since Gonu in 2007. Chapala also became the only hurricane force system to make landfall in Yemen, and the first since 1922 in Socotra. Chapala was followed by Megh, which reached a weaker intensity in the same general area. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2015 North Indian Ocean cyclone season」の詳細全文を読む スポンサード リンク
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