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The 2015 Atlantic hurricane season is an ongoing event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the Atlantic Ocean, beginning on June 1 and ending on November 30. These dates typically delimit the period of each year when most tropical cyclones form in the Atlantic basin. So far, the season has produced twelve depressions, eleven of which became tropical storms, four which further intensified into hurricanes, and one which became a major hurricane (a storm that ranks a Category 3 or higher on the Saffir-Simpson hurricane wind scale). This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. When the season has concluded, the National Hurricane Center will conduct a post-season analysis on all available cyclones during the year. Information that was not operationally released, meaning that data from post-storm reviews by the organization, such as a storm that was not operationally warned upon, has been included. ==Timeline of events== ImageSize = width:800 height:220 PlotArea = top:10 bottom:80 right:20 left:20 Legend = columns:3 left:30 top:58 columnwidth:270 AlignBars = early DateFormat = dd/mm/yyyy Period = from:01/05/2015 till:01/12/2015 TimeAxis = orientation:horizontal ScaleMinor = grid:black unit:month increment:1 start:01/05/2015 Colors = id:canvas value:gray(0.88) id:GP value:red id:TD value:rgb(0.38,0.73,1) legend:Tropical_Depression_=_≤39_mph_(0–62_km/h)_(TD) id:TS value:rgb(0,0.98,0.96) legend:Tropical_Storm_=_39–73_mph_(63–117_km/h)_(TS) id:C1 value:rgb(1,1,0.80) legend:Category_1_=_74–95_mph_(118–153_km/h)_(C1) id:C2 value:rgb(1,0.91,0.46) legend:Category_2_=_96–110_mph_(154–177_km/h)_(C2) id:C3 value:rgb(1,0.76,0.25) legend:Category_3_=_111–129_mph_(178–208_km/h)_(C3) id:C4 value:rgb(1,0.56,0.13) legend:Category_4_=_130–156_mph_(209–251_km/h)_(C4) id:C5 value:rgb(1,0.38,0.38) legend:Category_5_=_≥157_mph_(≥252_km/h)_(C5) Backgroundcolors = canvas:canvas BarData = barset:Hurricane bar:Month PlotData= barset:Hurricane width:11 align:left fontsize:S shift:(4,-4) anchor:till from:08/05/2015 till:11/05/2015 color:TS text:"Ana (TS)" from:16/06/2015 till:21/06/2015 color:TS text:"Bill (TS)" from:13/07/2015 till:15/07/2015 color:TS text:"Claudette (TS)" from:18/08/2015 till:24/08/2015 color:C3 text:"Danny (C3)" from:25/08/2015 till:29/08/2015 color:TS text:"Erika (TS)" from:30/08/2015 till:06/09/2015 color:C1 text:"Fred (C1)" from:05/09/2015 till:09/09/2015 color:TS text:"Grace (TS)" barset:break from:09/09/2015 till:11/09/2015 color:TS text:"Henri (TS)" from:16/09/2015 till:19/09/2015 color:TD text:"Nine (TD)" from:18/09/2015 till:27/09/2015 color:TS text:"Ida (TS)" from:28/09/2015 till:08/10/2015 color:C4 text:"Joaquin (C4)" from:09/11/2015 till:11/11/2015 color:C1 text:"Kate (C1)" bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas from:01/05/2015 till:01/06/2015 text:May from:01/06/2015 till:01/07/2015 text:June from:01/07/2015 till:01/08/2015 text:July from:01/08/2015 till:01/09/2015 text:August from:01/09/2015 till:01/10/2015 text:September from:01/10/2015 till:01/11/2015 text:October from:01/11/2015 till:01/12/2015 text:November TextData = pos:(570,30) text:"(From the" pos:(617,30) text:"Saffir–Simpson hurricane wind scale)" 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「Timeline of the 2015 Atlantic hurricane season」の詳細全文を読む スポンサード リンク
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