south west indian_ocean cyclone season south west indian_ocean cyclone season active season featured storms moving near madagascar tropical storms greater average tropical cyclones storm maximum sustained winds minutes mph greater storms monitored france office island official capacity american joint typhoon warning center unofficial base season began early forming early november continued middle april storms form november crossed adjacent australian basin activity december storms january including notable season cyclone storm caused billion million usd damage struck tropical cyclone formed month causing heavy damage struck western madagascar storms formed february second crossed australian basin storm later tropical cyclone strongest season attaining peak minute winds mph tropical cyclone storms form quick succession late march originated east coast madagascar dropped heavy rainfall took similar track passed mauritius causing heavy crop damage lastly tropical storm merged dissipated april end season seasonal summary season france office island issued warnings tropical cyclones basin satellite imagery agency estimated intensity dvorak technique warned tropical cyclones region coast africa south equator time recognized later label agency joint united_states navy united_states_air_force task force issued tropical cyclone warnings southwestern indian_ocean season named storms slightly long term average tropical cyclones storm attaining maximum sustained winds mph long term average ongoing event middle season considered tropical cyclone year begin august continue july following year addition storms monitored tracked storm march formed west coast madagascar march moved generally south south southeast failing intensify minute winds mph passing west madagascar storm dissipated march storms moderate tropical storm eastern indian_ocean origin tropical storm october began monitoring system south classified tropical cyclone november day began issuing advisories system quickly upgraded agency estimated minute winds mph storm moved southeast contrast assessed rapidly intensified equivalent minimal hurricane november estimating peak minute winds mph day strengthening began weakening november turning east later turning northwest track influenced ridge south completed day loop november crossed westward track day upgraded system tropical storm status discontinued advisories november tropical cyclone november tropical depression formed australian basin south indonesia trough moved slowly west gradually organizing november classified system tropical cyclone entering south west indian_ocean estimated system reached minute winds mph include system annual summary season time considered tropical depression australian region november system crossed classified storm time storm moving steadily west southwest steered ridge south attained tropical cyclone status days later november estimated peak minute winds mph based defined eye briefly weakened tropical storm status november regain tropical cyclone status day november estimated peak minute winds mph passing trough turned cyclone southwest gradually weakened discontinued advisories november tracked days ridge steered system north system dissipated november tropical cyclone origins channel northwest coast madagascar early january area disturbed weather moved southwestward gradually curved northwest january classified tropical disturbance upgraded storm day january designated storm tropical cyclone time east coast executed tight loop southeast spare landfall moving path storm gradually intensified upgraded equivalent minimal hurricane january upgraded tropical cyclone status days later agencies estimated peak winds mph later january landfall western madagascar near soon moving ashore turned southwest motion changed ridge southeast weakened tropical depression status emerging january extratropical day cyclone caused heavy damage western madagascar peak wind gust mph storm caused increase flow rate peak height storm reforms enacted previous cyclones helped facilitate repairs following storm tropical depression january tropical disturbance formed east northeast small archipelago belonging mauritius originally consisted small weak vortex gradually organized system moved southwest quickly intensified tropical depression reaching peak winds mph despite depression named depression threat island system turned south ahead trough passing east later west later turned southeast dissipating january affecting land severe tropical storm january tropical disturbance formed west day classified tropical cyclone monitored system preceding days nascent disturbance moved south gradually intensified january day upgraded storm equivalent minimal hurricane aided favorable upper level conditions beneath anticyclone january agency estimated peak minute winds mph assessed peak minute winds mph shy tropical cyclone status time peak intensity begun moving southwestward weakened increasing wind shear trough january storm weakened tropical depression status turned south dissipated following day tropical cyclone developed january northeast mauritius initially moving southeast began southwest motion continue days time system intensified storm upgraded equivalent minimal hurricane january early day intensified tropical cyclone status reaching peak winds mph time passed west mauritius producing mph wind gusts shortly cyclone struck peak intensity producing wind gusts strong mph turned south weakened tropical disturbance january fluctuated intensity turning southeast executing loop southwest dissipating february mauritius destroyed homes heavy crop damage occurred island damage nationwide estimated million usd person killed mauritius storm dropped torrential rainfall southern portion including hour totals set records locations rains caused widespread river flooding resulted mudslides isolated towns flooding left power water outages total houses damaged destroyed leaving people homeless damage estimated billion million usd deaths island severe tropical storm tropical disturbance formed february southeast moved west southwest intensifying storm february day began classifying tropical cyclone passing trough turned south southeast gradually strengthening february estimated peak minute winds mph upgraded equivalent minimal hurricane influenced ridge turned southwest slowly weakened remaining far away february weakened tropical depression status turning south dissipated days later tropical cyclone weak low pressure area evident australian basin early february days executing small loop beginning westward motion passing south system intensified tropical storm february named day storm crossed south west indian_ocean renamed storm quickly intensified entered basin designated storm tropical cyclone upgraded equivalent minimal hurricane late february february agency estimated peak minute winds mph time begun steady southwest motion contrast assessed slower strengthening upgrading tropical cyclone status february estimating peak minute winds mph storm gradually accelerated south weakened extratropical time motion shifted southeast february dissipated day moderate tropical storm formed persistent area late february low pressure area originated eastern moved eastward water emerging near february tropical disturbance formed west coast southern madagascar moved east northeastward steered ridge south shortly center passed north day intensified reaching peak minute winds mph late february storm landfall western madagascar near weakened slightly moving east southeastward country emerging indian_ocean february near day storm weakened tropical depression status curved southward extratropical day storm tracked produced mph wind gusts madagascar gusts peaked mph severe tropical storm tropical disturbance originated east march initially consisting disorganized area convection distinct center moving westward slowly organized march day classified system tropical cyclone storm turned southwest trough region bringing parallel east coast madagascar march upgraded equivalent minimal hurricane early day estimated peak minute winds mph time storm stalled east coast madagascar later turning southeast ridge quickly weakening minimal tropical storm march day turned south weakened tropical depression status march dissipated day having extratropical joining storm brought gusty winds rainfall madagascar island gusts reached mph coast storm island days peak rose tropical cyclone week formed tropical disturbance formed basin march south formative stages moved generally southwest march intensified day classified tropical cyclone ridge south track shifted west day turning southward april time assessed intensified equivalent minimal hurricane upgraded storm cyclone status april day estimated peak minute winds mph april estimated peak minute winds mph cyclone turned west southwest days storm slowly weakened passing north april moderate tropical storm day brushed east coasts mauritius passing east island weakened tropical depression status april curving south later east extratropical ridge turned remnants north systems merged april affected producing mph gusts rainfall gusts reached mph high waves affected island days effects worst mauritius passing south island produced wind gusts mph airport mauritius rainfall island reached period island passages decreased output sugar crop tons accounting sugar cane southeastern portion island crops affected cyclones resulting decrease banana output struck months residents prepared people sought shelter direct deaths farmer committed suicide threat storm moderate tropical storm final storm season formed april east southeast active near day classified tropical cyclone quickly intensified storm took westward trajectory reaching peak winds mph late april influenced broad area low pressure turned southwest gradually weakening approached systems merged april losing leaving disorganized remnant low
1988–89 South-West Indian Ocean cyclone season