south west indian_ocean cyclone season south west indian_ocean cyclone season fairly quiet named storms additional unnamed tropical storm subtropical cyclones gale force winds started early tropical disturbance forming august day cyclone year named storm named january time 4th latest record intense cyclone year reaching peak winds mph according france office official basin agency tracked storms south equator west east coast africa addition strongest storm deadly storms season passed west producing rainfall mountainous peaks rains led flooding killed people storms attain tropical cyclone status winds mph month january alternated trajectory times open waters rapidly weakened encountering hostile wind shear storm form intensified near early march killed people flooding rains later moved southward maintaining intensity unusually far south extratropical month inactivity march including weeks storms worldwide instance subsequently storms formed early april small unnamed tropical storm severe tropical storm brought light rainfall islands season ended unusual subtropical storm forming rapidly southern june storm form body water month strongest storm record late season weakened affecting land dissipating june season summary season france office island issued warnings tropical cyclones basin agency estimated intensity dvorak technique warned tropical cyclones region coast africa south equator time cyclone year august july subsequent year joint united_states navy united_states_air_force task force issued tropical cyclone warnings southwestern indian_ocean unofficial capacity aside tropical disturbance august season began later usual fourth consecutive season time 4th latest start record named storm seasons storm form middle december named storm season tropical storm early january january active tropical cyclones intense tropical cyclones active phase julian february returned period inactivity generally minimal convection basin unusually dry air spread powerful persistent ridge extended eastward madagascar inactive phase drought conditions occurred lack rainfall weeks tropical cyclones developing worldwide event unseen tropics active early april contrast busy preceding season season lower activity usual days tropical storm cyclone active normal number days tropical cyclone slightly normal general southern hemisphere active season named storms fifth time beginning satellite era storms formed eastern periphery basin damage preceding year storms intense tropical cyclone beginnings traced circulation south west evident satellite imagery december associated convection thunderstorms gradually organized central dense overcast system utc december upper level environment generally favored development system failed develop initially easterly wind shear large ridge south steered nascent disturbance west southwest shear subsided system intensified moderate tropical storm january given day began issuing advisories storm tropical cyclone time passing east southeast island rapidly intensified forming attained tropical cyclone status early january developing eye center thunderstorms outflow east tropical low southern weakened ridge causing turn southwest late january storm intensified intense tropical cyclone early day passed northeast according attained peak minute winds mph late january contrast assessed weakening larger defined maintaining small cloud diameter eye organized attained peak minute winds mph january eye time continuing ridge cyclone passed west day starting weaken increased wind shear january weakened tropical cyclone status convection increasingly separated circulation turning southeast january storm extratropical remnants turned northwest ridge dissipating january developing storm produced heavy rain december january reported drew moisture continent persistent dry spell near island dropped rainfall compared january average precipitation gusts peaked mph rainfall reached passing north produced gusts mph coast mph recorded mountainous peaks parts island receive rain exception mountainous peaks lift particularly center passed west elevation reported hours rains caused flooding landslides washed away house killed people damaged crops killed livestock highest wave recorded high waves injured people required rescue january area convection persisted eastern portion australian basin located northwest southwest sumatra ridge south system moved generally westward nearby ship confirmed circulation formed january crossed south west indian_ocean tropical disturbance easterly wind shear system initially remained weak convection increased organized january day disturbance intensified tropical depression circulation exposed thunderstorms time turning southwest wind shear decreased depression january day initiated advisories moving ridge south slowly intensified developing outflow improved rainbands early january upgraded storm tropical cyclone status eye diameter formed day weakened increased wind shear causing circulation exposed convection cyclone downgraded severe tropical storm building ridge caused storm slow turn west hostile shear relaxed tropical cyclone january eye day estimated peak minute winds mph estimated maximum minute winds mph time cyclone turned south southwest drier air wind shear resulted weakening downgraded severe tropical storm january utc day storm passed southeast island time circulation exposed north convection downgraded tropical depression status january approaching trough turned system south day extratropical late january remnants turned sharply eastward ridge later west january trough turned storm southward january absorbed circulation day intense tropical cyclone small circulation formed north january near trough week drifted west southwestward development area convection formed system january southwest sumatra persistent wind shear prevented strengthening circulation crossed south west indian_ocean january increase convection classification tropical disturbance day organized central dense overcast slow development continued allowing disturbance tropical depression later tropical storm january day began tracking tropical cyclone taking track similar earlier tropical cyclone storm moved southwestward ridge south gradually developed outflow increasingly organized convection decreasing wind shear ragged eye formed january better defined early january intensified tropical cyclone january developed wide eye surrounded deep convection based increased organization storm intense tropical cyclone reaching peak minute winds mph according contrast estimated peak minute winds mph late january wind shear dry air increased waters cooler detrimental storm structure eye rapidly dissipated convection hours peak intensity downgraded tropical storm status january storm passed southeast time circulation exposed thunderstorms weakened tropical depression status january caught weak low level flow circulation moved west drifting turning southeast continued produce convection time spread rainfall mauritius cold swept southeast absorbing january tropical cyclone extended period inactivity lasting nearly month produced area convection march initially weak south southwest ultimately moved southwestward development hostile wind shear circulation exposed thunderstorms march system developed tropical disturbance northeast coast madagascar days later storm moved ashore madagascar southeast weakened indistinct land emerging near weak low convection gradually increased region track shifted westward moving system rounded ridge turned south coast passing east time thunderstorms began organizing allowing disturbance intensify tropical depression march warm waters anticyclone providing outflow depression quickly intensified tropical storm march soon developing eye feature day initiated advisories system tropical cyclone late march passed east large eye passed island march attained tropical cyclone status brief bout wind shear eye better defined cyclone attained peak minute winds mph march according minute winds mph according despite located unusually far south maintained intensity warm waters accelerated southeastward approaching cold wind shear increased march day water temperatures drop causing marked decrease intensity eye dissipate late march extratropical continued southeastward cold precursor dropped heavy rainfall reaching precipitation came intense hourly peaks recorded flooded rivers houses addition system produced gusts mph strong damage roofs cause power outages damage fields trees heavy rainfall spread producing additional river flooding region flooded weeks floods wrecked dozens homes covered roads killing people later gusts peaked kilometres hour mph rainfall reached severe tropical storm active late march spawning areas convection indian_ocean adjacent australian basin westernmost system circulation march west southwest despite favorable conditions system failed organize tropical disturbance april structure improved drifting southwest later south associated convection waned finally organizing april day disturbance quickly intensified day prior initiated advisories system tropical cyclone trough south weakened ridge turning storm southwest small eye formed april later dissipated increase thunderstorm activity day estimated peak minute winds mph shy tropical cyclone status estimated minute winds mph april increased wind shear approaching trough began weakening turned south day passed mph east april bypassed southwest convection gradually deteriorated left circulation exposed late april storm suddenly turned southwestward developing low east madagascar southwest motion resumed soon april dissipated dissipating ahead nearby trough produced peak gusts mph rainfall recorded stronger winds recorded storm passed reaching mph rainfall minimal reaching failing alleviate drought conditions moderate tropical storm small area convection associated tropical disturbance april west northwest australian region moved west southwestward entering south west indian_ocean april date classified tropical cyclone thunderstorms organized small central dense overcast evidence eye feature suggesting system stronger satellite imagery difficulty tracking low level circulation nearby ship april confirmed presence circulation operationally system classified tropical depression data helped upgrade system moderate tropical storm status post season analysis peak winds mph april result named previously moving west southwest small storm turned west strengthening ridge south wind shear increased april rapidly convection leaving exposed circulation underwent effect larger disturbance east causing system turn north dissipate april similar subtropical depression april unusual subtropical cyclone formed june end season trough exited south_africa june associated frontal wave southern day system separated cut low moved north northwestward eastern periphery ridge southern africa subtropical depression june associated convection initially diminished thunderstorms redeveloped atmospheric instability region june depression passed east moving area warmer waters structure tropical small central dense overcast forming circulation diameter initiated advisories june tropical cyclone small size storm calling cyclone small eye forming late june based feature estimated peak winds mph contrast estimated minute winds mph despite structure convection shallow brought uncertainty true intensity storm turning northeast east subtropical storm rapidly weakened june depression status environment hostile convection largely dissipated exposed low turned northwestward june dissipating day storm record form june addition strongest storm form late season storms august middle southern hemisphere winter area convection persisted northeastern portion basin northeast time associated circulation exposed east thunderstorms utc day initiated advisories tropical disturbance system organized began tracking system tropical cyclone estimating winds mph ridge south system tracked generally westward briefly tropical depression august approaching trough weakened ridge allowing depression turn southwestward located area moderate wind shear system failed intensify dissipated august area convection formed november east possibly result circulation evident november following day developed tropical disturbance southeast november classified system tropical cyclone moved southwest looped east november time upgraded tropical depression status later day agency ceased issuing advisories system reorganized november november turned southwest discontinued advisories day area convection persisted january east coast madagascar days later drifted east strengthening tropical depression status january passing west increased wind shear caused system weaken turned west dissipating madagascar january system dropped rainfall including total falling minute period january weak tropical low began affecting days causing flooding killed people newspaper sources indicated system tropical storm remained end january broad low persisted south tropical disturbance january south convection gradually organized system moved south southwest steered break ridge south caused remnants initially circulation broad involvement monsoon resembled monsoon depression early february disturbance intensified tropical depression turning south time passed east system extratropical february increased wind shear weakened convection depression intensified extratropical storm attaining gale force winds accelerating forward motion approaching trough system longer tracked february approached polar latitudes april weak low exited coast south_africa moved southeastward warm waters southern april organized subtropical depression produced gale force winds classify system located outside agency area warning responsibility time storm names tropical disturbance named reaches moderate tropical storm strength tropical disturbance reaches moderate tropical storm status west sub regional madagascar assigns appropriate storm tropical disturbance reaches moderate tropical storm status sub regional mauritius assigns appropriate storm new annual list year names retired contemporaneous seasons list southern hemisphere tropical cyclone seasons atlantic hurricane seasons pacific hurricane seasons pacific typhoon seasons north indian ocean cyclone seasons
2000–01 South-West Indian Ocean cyclone season