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The 1990–91 Australian region cyclone season was an average cyclone season, with ten tropical cyclones occurring within the region between 90°E and 160°E. The season officially ran from November 1, 1990, to April 30, 1991 with the first disturbance of the season forming on 10 December and the last disturbance moving out of the region during 11 May. Six people were killed by Cyclone Joy when it made landfall on Australia. During the season, tropical cyclones were monitored by the Australian Bureau of Meteorology, who ran Tropical Cyclone Warning Centers (TCWC) in Perth, Darwin, and Brisbane. The United States Joint Typhoon Warning Center (JTWC) and Papua New Guinea National Weather Service also monitored systems within the basin during the season. The JTWC designated systems with a number and either a S or a P suffix depending on which side of 135E. The Bureau of Meteorology and Papua New Guinea national Weather Service both used the Australian Tropical Cyclone Intensity Scale, and estimated windspeeds over a ten-minute period, while the JTWC estimated sustained winds over a one-minute period and are comparable to the Saffir–Simpson Hurricane Scale. ==Seasonal summary== ImageSize = width:825 height:205 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:01/11/1990 till:01/06/1991 TimeAxis = orientation:horizontal ScaleMinor = grid:black unit:month increment:1 start:01/11/1990 Colors = id:canvas value:gray(0.88) id:GP value:red id:td value:rgb(0.5,0.8,1) legend:Tropical_Disturbance/Tropical_Depression_(TD) id:c1 value:rgb(0,0.98,0.96) legend:Category_1_=_63–87_km/h_(39–54_mph)_(1) id:c2 value:rgb(0.80,1,1) legend:Category_2_=_88–142_km/h_(55–74_mph)_(2) id:c3 value:rgb(1,1,0.80) legend:Category_3_=_143–158-km/h_(75–98_mph)_(3) id:c4 value:rgb(1,0.56,0.13) legend:Category_4_=_159–204_km/h_(99–127_mph)_(4) id:c5 value:rgb(1,0.38,0.38) legend:Category_5_=_≥205_km/h_(≥128_mph)_(5) Backgroundcolors = canvas:canvas BarData = barset:Hurricane bar:Month PlotData= barset:Hurricane width:10 align:left fontsize:S shift:(4,-4) anchor:till from:10/12/1990 till:12/12/1990 color:C1 text:"Laurence_(C1)" from:17/12/1990 till:27/12/1990 color:C4 text:"Joy_(C4)" from:15/02/1991 till:21/02/1991 color:C3 text:"Chris_(C3)" from:21/02/1991 till:28/02/1991 color:C3 text:"Daphne_(C3)" from:24/02/1991 till:05/03/1991 color:C2 text:"Kelvin_(C2)" from:01/03/1991 till:05/03/1991 color:C3 text:"Elma_(C3)" barset:break from:05/03/1991 till:07/03/1991 color:TD text:"15P_(TD)" from:16/03/1991 till:21/03/1991 color:TD text:"16P_(TD)" from:21/03/1991 till:22/03/1991 color:TD text:"Fatima_(TD)" from:23/03/1991 till:31/03/1991 color:C4 text:"Errol_(C4)" from:09/04/1991 till:19/04/1991 color:C5 text:"Marian_(C5)" from:15/04/1991 till:20/04/1991 color:C3 text:"Fifi_(C3)" barset:break from:07/05/1991 till:11/05/1991 color:C2 text:"Lisa_(C2)" bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas from:01/11/1990 till:01/12/1990 text:November from:01/12/1990 till:01/01/1991 text:December from:01/01/1991 till:01/02/1991 text:January from:01/02/1991 till:01/03/1991 text:February from:01/03/1991 till:01/04/1991 text:March from:01/04/1991 till:01/05/1991 text:April from:01/05/1991 till:01/06/1991 text:May TextData = pos:(569,23) text:"(For further details, please see" pos:(713,23) text:"scales)" 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「1990–91 Australian region cyclone season」の詳細全文を読む スポンサード リンク
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