south west indian_ocean cyclone season south west indian_ocean cyclone season average cyclone season storms remained open waters time season lasted november april season began early tropical depressions formed official start second designated tropical depression france office passed north madagascar october weakening named storm severe tropical storm developed december monsoon trough storms year originated manner tropical storm tropical storm season landfall having struck northeastern madagascar january basin active february named storms developed including struck western madagascar early march entered basin australian region renamed heather intensified peak winds mph making heather strongest storm season april cyclone jane crossed australian region renamed australian region april end tropical activity basin season summary general sea surface temperatures near equator northeast portion basin madagascar season france office island issued warnings tropical cyclones basin agency estimated intensity dvorak technique warned tropical cyclones region coast africa south equator joint united_states navy united_states_air_force task force issued tropical cyclone warnings southwestern indian_ocean season event caused tropical cyclogenesis southern hemisphere shift east addition monsoon trough helped spawn storms season weaker normal indian_ocean number tropical depressions forming average fewer days normal tropical cyclone activity storms severe tropical storm december began monitoring tropical depression west association convergence zone designating tropical cyclone day began classifying system nascent depression moved generally southeast later south southeast ahead approaching upper level trough december depression intensified tropical storm day developed ill defined eye good upgraded equivalent minimal hurricane minute sustained winds mph december estimated peak minute winds mph estimated storm subsequently weakened assessed continued intensity peak minute intensity mph december time cyclone slowed turned east increased shear caused gradual weakening strengthening subtropical ridge turned southwest discontinued advisories december dissipated days later east northeast mauritius south formed moderate tropical storm began monitoring tropical depression december east northeast northern tip madagascar initially moving eastward strengthening depression turned west madagascar december ridge days later began tracking system designating warmer water temperatures persistent wind shear system strengthened tropical storm december utc day estimated peak minute winds mph january estimated peak minute winds mph assessing began weakening storm landfall eastern madagascar early january subsequently crossed northern portion country discontinued advisories inland continued tracking circulation emerged january moving ridge curved south moving farther offshore estimated secondary peak intensity mph january based ship reports structure subtropical nature time turning southeast day final landfall southwestern madagascar crossing southern portion country moved open waters eventually turning southwest dissipating january moving madagascar dropped heavy rainfall causing damage deaths moderate tropical storm period inactivity lasting month tropical depression formed monsoon trough northeast mauritius february system moved generally south southeast passing east february later day depression intensified tropical storm february estimated peak winds mph turned south looped northwest crossing track february storm dissipated february having succumbed wind shear despite passing near winds island exceed mph moderate tropical storm days dissipated tropical depression formed region february broad low pressure area involving remnants moved northeastward later turned southeast trough new depression intensity remained weak february began issuing warnings depression designating tropical cyclone day upgraded depression tropical storm estimating peak winds mph continuing southeast failed intensify persistent wind shear dissipated february moderate tropical storm late february tropical depression formed broad area convection south warm water temperatures gradually intensified moving east southeastward upgraded tropical storm february reaching winds mph storm weakened tropical depression status turned sharply southward making landfall west western madagascar weakened land dissipated february producing wind gusts mph issue advisories storm tropical depression developed northeast portion basin february monsoon trough classified tropical cyclone duration storm moved southwestward weak steering currents intensified tropical storm february days later upgraded storm equivalent minimal hurricane day upgraded tropical cyclone status cyclone intensified reaching peak minute winds mph according peak minute winds mph according near peak intensity cyclone developed defined outflow time interacting northwest increasing wind shear gradually weakened tropical cyclone intensity march tropical depression intensity day late duration system turned northwest dissipating march moderate tropical storm tropical depression formed northwest reunion february moved generally eastward day depression passed north reunion mauritius south turning northeast system located near tropical depression northeast tracked days february began issuing advisories agency estimated system located farther north closer tropical depression assessed tropical storm intensity february noting system moving generally southeastward tracked depression executing loop turning southeast february estimated peak minute sustained winds mph upgrading time downgraded tropical depression system turned southwest executing large loop resuming southwest trajectory march day weakened tropical depression executing loop northeast later southeast passing mauritius march dissipated having produced gusts mph intense tropical cyclone heather monsoon trough spawned tropical low east february located australian basin quickly intensified tropical storm status named tropical cyclone passing south turned southwest strengthened category australian tropical cyclone intensity scale march time begun issuing advisories later day renamed cyclone crossed south west indian_ocean heather reached basin estimating peak minute winds mph shortly estimated peak minute winds mph march approaching trough turned cyclone south southeast producing stronger wind shear induced weakening time estimated heather weakened minute intensity mph cyclone slightly accelerating southeast estimated heather attained peak mph march soon storm began weakening march heather exited australian region tropical cyclone status cyclone continued southeast extratropical march dissipating day great australian bight tropical cyclone jane final storm season formed australian basin like originated monsoon trough april tropical low developed northeast gradually intensified moving southward tropical cyclone jane day classified tropical cyclone ridge south turned storm west april cyclone intensified developing eye crossed south west indian_ocean april time renamed jane tropical cyclone late april agency estimated peak minute sustained winds mph day estimated reached peak minute winds mph subsequently approaching trough turned cyclone south increased wind shear caused weakening eye dissipated soon weakened tropical cyclone status february weakened tropical depression day discontinued advisories april crossed australian region dissipating april storms addition named storms storms season warned september began monitoring tropical depression northeastern portion basin system moved southeastward according agency intensified mph minute sustained tropical storm september day storm dissipated turning north month previous storm dissipated classified tropical depression october east southeast system tracked west southwestward began issuing warnings tropical depression october days later briefly upgraded depression tropical storm estimated peak minute winds mph time storm turned west passing north northern tip madagascar turning west northwest depression dissipated october depression active briefly tracked tropical depression northeast formed october south southeast classified tropical depression depression tracked west southwest turned southeast resumed westward trajectory days dissipating october november began tracking tropical cyclone short distance southeast day initiated advisories classifying system tropical depression moving southwestward initially storm curved south southeastward intensified estimated peak minute winds mph mph estimated minute winds mph indicating named near peak intensity storm affected wind shear displaced circulation center north edge convection storm turned west passing south dissipating november storms active tropical depression formed east madagascar february duration moved circular direction depression moved east slowly executed clockwise loop intensified winds mph dissipated march march identified subtropical cyclone issue warnings season effects table lists cyclones developed indian_ocean south west indian_ocean cyclone season includes intensity duration deaths damages
1991–92 South-West Indian Ocean cyclone season