south west indian_ocean cyclone season south west indian_ocean cyclone season active cyclone season basin systems named failed intensify tropical depression status storms reached tropical cyclone status according official warning agency basin strongest storms peaked intensity named storm formed october dissipated having affected land unofficial warning center basin briefly tracked tropical depression july storm passed east mauritius near peak intensity early december tropical depression existed briefly middle september tropical storm moved eastern portion basin late december deadly storm season formed january moved southwest intensifying struck january high winds waves heavily damaged banana crops storm damaged destroyed buildings high waves knocked people pier killing damage totaled million usd intensified coast dissipated january aside weak storm classified february minimal activity months final storm season tropical depression dropped moderate rainfall eastern madagascar late june season summary season active season occurred significant event inactivity comparable season named storms days storms active season long lasting subtropical cyclone estimated storms season named season storms named weather service madagascar mauritius advisories issued meteorological office time area warning responsibility coast africa agency primarily dvorak technique estimate tropical cyclones joint united_states navy united_states_air_force task force issues tropical cyclone warnings region tracked short lived tropical storm february formed february northeast mauritius system tracked southeast reaching peak winds mph dissipating february northwest storms tropical depression disturbance south indian convergence zone near persisted october area convection gradually organized passing near october developed tropical depression dvorak classifications system named disorganized october having intensified winds mph moving southwest duration dissipated october severe tropical storm november began tracking disturbance northeast madagascar december defined circulation developed began issuing warnings system having moved west southwest depression turned southeast december haven received storm gradually intensified upgraded equivalent minimal hurricane status december day estimated peak winds mph near peak intensity passed east mauritius subsequently weakened influence anticyclone turned storm east caused loop west december storm extratropical day issued advisory december briefly tropical depression extratropical final time day dissipated december tropical depression december tropical depression formed near area high pressure southeast depression moved northeast named dvorak rating achieved winds mph weakening severe tropical storm began tracking disturbance december northeast madagascar system moved southeast classified december given storm slowly intensified reaching peak winds mph according december day estimated strengthened equivalent minimal hurricane storm turned south weakened december declared extratropical discontinued advisories day extratropical remnants dissipated january severe tropical storm south indian convergence zone spawned circulation organized tropical depression january gradually intensified moving southwest developing spiral rainbands january passed day upgraded storm equivalent minimal hurricane land interaction weakened turned south moved away coast storm intensified estimated reached peak winds mph january subsequently convergence zone caused storm weaken ultimately absorbing january passing caused heavy damage destroying nearly banana crops crops acres agricultural lands flooded storm damaged acres forests agriculture damage estimated million usd damaged destroyed buildings high waves reaching damaged coastal roads sea walls wave knocked people water killing injured left million damage usd military helped clear roads workers rebuilt damaged buildings storm passed government requested aid international community collectively united_states egypt france germany switzerland agencies united_nations provided million assistance provided tons rice tons vegetable oil tropical depression final system year formed weak tropical depression june north powerful anticyclone given system tracked southwest madagascar intensify dissipated june east marie remnants produced moderate rainfall reported precipitation storm approaching
1982–83 South-West Indian Ocean cyclone season