pacific hurricane season pacific hurricane season active pacific hurricane season produced lot tropical cyclones near mexico baja california officially started eastern pacific june central pacific lasted november dates conventionally period year tropical cyclones form northeastern pacific_ocean total storms hurricanes formed near long term averages hurricanes reached major hurricane status category higher saffir simpson hurricane scale notable storms include crossed mexico killed people landfall baja california peninsula hurricane strongest storm season weakened significantly landfall seasonal summary overall season continued general trend 1980s near average seasons seventeen cyclones formed peaked tropical storm strength systems hurricanes major hurricanes category intensity higher saffir simpson hurricane scale august systems active times tropical cyclones active simultaneously east pacific west despite activity season named storms formed october second consecutive season happened storms tropical storm second week january upper level trough located east hawaii created area divergence southeast allowing area low pressure develop alongside deep convection initially system hampered wind shear moved west northwestward south hawaii january system able maintain convection center classified tropical depression january estimated post storm analysis tropical storm unprecedented time struggled forecast storm forecast guidance modeling based previous cyclones available january system crossed entered tropical depression brought heavy rains portions hawaii triggering flash flooding islands damage resulted floods tropical storm system brushed bringing gusty winds moderate rainfall days later storm passed near guam bringing tropical storm force wind gusts heavy rainfall minor damage resulted loss life operationally system classified tropical storm january warned early stages tropical storm storm season developed weak area low pressure situated south southwest acapulco mexico tracking west circulation briefly dissipated following day tropical depression ridge high pressure north system steered west northwest utc june national_hurricane_center nhc upgraded depression tropical storm gave continued strengthen early june time reached peak intensity winds mph minimum pressure mbar hpa shortly peaking cool dry air circulation preventing intensification early june weakened slightly unfavorable conditions later day briefly intensified june strong wind shear displaced convection associated storm west center circulation resulted weakening tropical depression utc day persisted june time dissipated hurricane barbara june area disturbed weather located miles southwest acapulco mexico system slowed westward drift gradually better organized nhc estimated wave spawned tropical depression utc june initially depression northwest ridge high pressure situated mexico caused storm turn west northwest based improving satellite presentation nhc upgraded depression tropical storm barbara favorable conditions barbara continued intensify attaining hurricane status roughly hours named hours later storm reached peak intensity winds mph satellite images early june showed cool dry air northern storm barbara nearing cooler waters factors led storm weakening hurricane intensity utc june wind shear time began increase displacing convection associated storm northeast center june hurricane downgraded tropical depression nhc issued final advisory system early june remnants storm persisted june hurricane june tropical disturbance formed miles coast mexico ships vicinity storm addition satellite images indicated disturbance developed tropical depression utc remaining nearly stationary depression gradually strengthened tropical storm june receiving time early june began track north intensify utc strengthened category hurricane saffir simpson hurricane scale hours later reached peak intensity late june center hurricane landfall mexican coast east acapulco winds mph low associated hurricane identified near texas brought heavy rains killed people drowning homes destroyed specific cost damage known highest rainfall recorded relation mexico tropical depression fourth tropical cyclone season formed organized depression july deep convection associated system indicated intensification tropical storm possible system track generally westward response high pressure system north july depression quickly disorganized small area convection center remaining midday depression nearly tropical storm intensity nhc held upgrading proximity tropical depression system failed intensify july depression entered hurricane center area responsibility tracking generally northwest system slowly weakened dissipating july south hawaii tropical depression july tropical depression formed far land formation uncertainty location center shortly system intensification longer anticipated july low level center displaced form deep convection day center relocated moved west nhc noted possibility intensification depression dissipate hours failed intensify moved july fast moving tropical depression dissipated days later remnants depression passed far south hawaii damage july defined low pressure system formed south baja california increased convective activity led nhc classifying tropical depression july hours later depression intensified july intensified minimal hurricane tracked generally northwest days later storm took nearly west track maintained july storm tracked near cool waters developed outflow allowed maintain hurricane intensity shortly crossing storm reached peak intensity winds mph central pressure mbar hpa inhg crossing weakened minimal hurricane storm maintained intensity july time system slowed turned northwest following day weakening tropical storm brushed south eventually curving away island chain july later day weakened tropical depression issuing final advisory time remnants hurricane continued track northwest tracking near hawaiian islands produced waves south facing coastlines coasts winds mph winds caused minor damage southeast slopes heavy rains caused minor flooding forced transit officials shut roads localized areas received rainfall excess tropical depression seven july area disturbed weather located organized tropical depression formation nhc significant intensification close distance cooler waters day center difficult locate system longer forecast intensity night minimal deep convection remained depression soon moved cold water system expected dissipate hours dissipated day remnants system contributed surge monsoon trough led formation system impacted land damage deaths reported tropical storm july surge convection monsoon trough concentrated area soon separated trough july satellite imagery indicated area deep convection located nearly away mexico early day system upgraded tropical depression tropical cyclone slight intensification anticipated system intensified tropical storm hours forming soon moved cooler waters quickly weakened cyclone downgraded tropical depression july dissipated day land masses tropical storm originated form tropical wave entered pacific_ocean july system began sings organization days later continuing organize system upgraded tropical depression july despite located warm waters gradual intensification anticipated strengthened tropical storm day shortly upgraded convection began diminish cyclone drifted northwest upper level environment rapidly changed cyclones convection disorganized convection separated center circulation cluster convection developed new center circulation july original center drifted away hours dissipating new center tropical storm drifted northwest encountered unfavorable environment weakened depression july continued drifting northwest dissipating july coast baja california peninsula despite close distance mexico damage deaths reported hurricane formed area disturbed weather located near mexico guatemala border developed circulation dissipated july disturbance redeveloped circulation convection paralleled coast mexico headed northwesterly direction low continued organize upgraded tropical depression initially uncertain storms future path possibility system coast strengthened tropical storm july system continued better organized intensification low located warm waters upgraded hurricane day shortly cyclone developed eye hurricane hours began encounter dry air august gill lost hurricane intensity downgraded tropical depression day cyclone dissipated august outer bands produced significant amounts rainfall coastal areas mexico satellites estimating areas rainfall excess heavy rains triggered deadly flooding landslides reports mexican officials received confirm officials reported rain hour period hurricane tropical wave crossed central_america july area low pressure located coast mexico better organized august warrant upgrade tropical depression system slowly better organized northerly wind shear prevent rapid intensification initially system slow intensify strengthening tropical storm closely paralleled coast mexico turned west maintain generally westerly direction rest long path pacific_ocean system steadily intensified august developed fair outflow reached hurricane strength later day continuing intensify hurricane reached category intensity system expect intensify cool sea surface temperatures managed reached category status reached peak intensity mph peak pressure shortly peak underwent fluctuations strength august passed cooler waters addition storm encountered strong wind shear hostile environment continued toll weakened tropical storm august dissipated long weakening depression august remains clouds dissipated near hawaii august outer bands produced heavy rains coastal areas mexico acapulco people killed flooding triggered storm structural damage reported despite rainfall reports flooding remnants hurricane passed near pose threat hawaii tropical storm august tropical wave formed pacific_ocean steadily organized twelfth tropical depression season early august slowly strengthened named strengthening tropical storm peaking winds mph peak pressure mbar inhg august wind shear immediately began weaken tropical cyclone august devoid convection downgraded tropical depression status august degenerated remnant low august low persisted days completely dissipating tropical storm surge convection monsoon trough caused nearby hurricane interacted tropical wave form thirteenth tropical depression season august small distance miles cyclones depression followed despite strong wind shear caused depression strengthened tropical storm august strong burst convection occurred dissipated steering currents collapsed moved cool waters open ocean days addition strong wind shear took toll system low completely dissipated evening august impacted land hurricane august seasons fourteenth tropical depression formed coast mexico convective system small cyclone system rapidly intensified warm waters tropical storm hours forming hurricane hours later fast rate strengthening continued august time peaked intensity strong category hurricane winds mph minimum pressure mbar hpa inhg slight weakening occurred storm landfall near mexico strongest storms landfall mexico reliable records began hurricane quickly weakened moved downgraded tropical depression emerging pacific_ocean august following day remnants absorbed nearby hurricane major hurricane landfall little damage resulted storm homes destroyed numerous highways flooded torrential rains hurricane atlantic tropical wave spawned tropical depression hours later wind shear degenerated depression wave wave continued westward southern caribbean_sea split august southern crossed central_america emerged pacific_ocean banding convection steadily organized tropical depression formed august strengthened tropical storm day time systems active close proximity weakening started interaction eventually dominate system absorbed remnants august moving slowly sea reached minimal hurricane strength september convection concentrated hurricane day weakened quickly depression september cyclone devoid convection september declared remnant low system affected land tropical storm area thunderstorms organized tropical depression august day convection increased near center respectively upgraded tropical storm gradually strengthened reaching peak mph approached proximity storm lost center circulation august storms impact land light rainfall near reports death damage reported tropical storm september tropical wave began showing sings organization september organized tropical depression tropical cyclone located warm sea surface temperatures moving rapidly west northwest strengthened tropical storm strong wind shear prevented significant intensification minimal tropical storm strength winds peaking mph initially managed produce brief burst convection september devoid convection respectively downgraded tropical depression impacted land hurricane octave low latitude atlantic tropical depression formed tropical wave august depression degenerated day strong wind shear wave continued drifting westward entered pacific_ocean september slowly developed organized tropical depression eighteen september cyclone turned northwestward strengthened tropical storm octave september strengthening hurricane day octave started deepening peaking category september mph winds octave moved region cooler waters strong shear octave weakened storm midday september depression hours later depression hooked east dissipated september near remnants eventually turned north dissipating octave significant effects land hurricane remnants california town recorded rain hour span tropical storm tropical depression nineteen organized area low pressure september upgraded depression anticipated slowly strengthen strong tropical storm days moving northwestward named day continuing intensify reached peak intensity mph close proximity cooler waters began weakening immediately cyclone weakened tropical depression september dissipated day directly impact land tropical cyclone remnant moisture enhanced non tropical low california coastline resulting heavy rainfall pacific_coast united_states southern california system resulted hot humid weather areas reaching tropical depression september tropical depression formed southwest guatemala convection increased significant development anticipated land landfall hours small cyclone close distance hurricane hindered development moving little winds soon diminished depression dissipated september depression anticipated landfall mexico nhc noted possibility heavy rains especially higher elevations impact reported tropical cyclone hurricane tropical depression formed tropical wave earlier spawned hurricane hugo moving slowly west northwest accelerated northwest response trough strengthened seventeenth named storm season september turned west entered favourable environment eventually peaked category hurricane strongest storm season october trough mexico destroyed ridge steering cyclone northeast hurricane accelerated favorable environment slowly weakened forward speed increased mph landfall tropical storm october mountains disrupted circulation dissipated new_mexico october passing state arizona depression significantly weakened prior landfall minor impacts recorded mexico highest rainfall recorded city swollen destroyed heavily traveled bridge known destroyed store situated banks river mexican officials estimated damages usd thousand usd remnants storm tracked dissipating rainfall excess fell parts southern arizona highest total recorded independence kansas person killed mobile home destroyed high winds flash flooding triggered caused estimated million usd million usd damages arizona tropical depression october tropical depression formed south mexico area disturbed weather better organized tropical cyclone cyclone located favorable environment reach peak intensity mph named later day convection increased nhc upgrade system tropical storm increased wind shear quickly caused system exposed drifting westbound tropical storm dissipated october october deep convection developed near center hours intensify strong tropical storm expected turn north shortly system organized dissipated day depression threatened land tropical depression october tropical depression developed southwest mexico_city area warm water diminishing wind shear result expected slowly intensify october deep convection associated dissipated national_hurricane_center issued final advisory day tropical depression october nhc began issuing advisories tropical depression depression located area high wind shear convection managed partially develop center circulation ship nearby system reported sustained winds mph winds considered representative actual intensity depression intensification expected depression tracked northward direction shortly advisory issued convection rapidly dissipated leaving exposed low pressure area devoid shower thunderstorm activity system forecast dissipate hours high shear late october forward motion depression abruptly changed west final advisory tropical depression issued afternoon october system remained devoid convection redevelopment system anticipated unfavorable conditions storm names following names named storms formed eastern pacific names retired new names replaced season later changed changed spelling remained use names assigned marked gray starting early 1980s assigned names tropical storms formed basin taken single list low frequency storms area tropical storm formed received aka names list listed seasonal effects
1989 Pacific hurricane season