pacific hurricane season pacific hurricane season longest season recorded time pacific hurricane season started eastern pacific june central pacific lasted november dates conventionally period year tropical cyclones form northeastern pacific_ocean season named storms slightly previous season furthermore storms reached major hurricane status category higher saffir simpson hurricane wind scale decaying event likely contributed level activity influenced quiet atlantic hurricane season storm season southernmost forming east pacific tropical cyclone record forming latitude slow start activity picked july moved resulting moderate damage early august hurricane responsible deaths million usd damage early september brought significant damage seven deaths southern mexico month later tropical storm octave worst tropical cyclone record affect arizona octave killed people caused million damage arizona million new_mexico later october intense hurricane time landfall left homeless damage country estimated million deaths reported mexico impact occurred mexico remnants brought significant flooding resulting deaths million damage days later posed threat hawaii little actual damage final storm season rare december cyclone seasonal summary season total named storms formed average total slightly active pacific hurricane season saw record storms form time active season warning zone record surpassed pacific hurricane season pacific hurricane season additionally storms reached hurricane intensity average hurricanes attained category intensity higher season started formation ended december dissipation lasting days longest season record total storm hours years despite activity warning responsibility storms formed area responsibility stayed depressions moderate present season water temperatures nearly normal pacific warm phase time period factors known enhance pacific hurricane season activity furthermore middle era pacific hurricane season near average despite relatively active season storms developed basin storm formed event occurs year average storm formed june average storms june despite somewhat slow start activity picked july storms formed twice average storm far exceeded hurricane intensity august active storms developing compared average storms formed july lasted early month activity picked september storms forming average storms formed october storms normal storm developed november somewhat unusual occurrence time hurricane developed december storms season landfall mexico second hit near powerful hurricane resulting severe damage time weak tropical depression landfall western portion nation addition tropical depression landfall hawaii late october hurricane_hunters flew storms zone flew storms area responsibility tropical storms hurricane storms tropical depression formed southwest latitude southernmost forming tropical cyclone east depression headed gradually west northwestward extremely warm sea surface temperatures steadily intensified later day depression intensified tropical intensification occurred headed west northwestward reported strengthened hurricane setting record earliest known hurricane basin later surpassed hurricane alma shortly storm turned northwestward intensified category hurricane time attained peak intensity winds mph storm briefly developed defined eye time strongest hurricane record record broken hurricane named following peak intensity gradually weakened category hurricane curved sharply north northeastward result steered deep layer mean despite situated fairly warm waters weakened considerably increased wind shear expected storm stay sea curved north northeastward downgraded tropical storm rapidly weakening tropical moved onshore near early day briefly moving offshore landfall near utc day soon dissipated land storms strike pacific coast mexico season weakened significantly prior landfall deaths major damage occurred remnants storm brought heavy showers gusty winds florida modern pacific hurricane season begins newspaper considered pre season storm hurricane barbara tropical disturbance observed early june south guatemala headed westward tropical disturbance intensified second tropical depression season june staying tropical depression hours system subsequently upgraded tropical storm barbara initially barbara expected come close mexican coast failed happen tropical moved west northwest june cyclone turned west northwest gradually gaining intensity utc june barbara estimated attained hurricane status centered north shortly hurricane rapid deepening commenced early morning hurricane high end category hours later barbara category status major hurricane utc june hurricane barbara upgraded category hurricane peak strength mph peak barbara fantastic eye held peak intensity day barbara slowly weakened peak intensity began encounter cooler water temperatures moving slowly northward western edge high pressure area central mexico early morning hours june hurricane positioned west southwest west coast mexico later day barbara weakened tropical storm strong wind shear barbara downgraded tropical depression early june weakening persisted barbara dissipated june time dissipation system situated miles west southwest baja california peninsula tropical storm westward moving low latitude tropical disturbance declared tropical depression early july making turn northwest depression maintained intensity hours utc july system finally upgraded tropical storm convection increased coverage failed intensify encountering cooler waters storm rapidly dissipated declared dissipated utc july tropical storm intense area thunderstorms developed south july system classified tropical depression utc july roughly south southeast acapulco turning west northwest northwest accelerating upgraded depression utc july continuing gain strength reached peak intensity strong tropical storm early july turning west tropical storm started lose strength encountering colder water utc july downgraded tropical depression days later reported tropical cyclone dissipated tropical storm tropical storm originated tropical wave crossed central_america july july utc july reported upgraded disturbance tropical depression depression moved steadily west northwest influence anticyclone yucatán_peninsula system gradually intensified waters warm utc july agency upgraded low tropical storm tropical storm reached peak intensity july high end tropical storm storm maintained peak intensity hours encountering cooler water rapidly weakening dissipated july far land tropical storm tropical disturbance developed southwest late june hours later disturbance classified tropical depression initially depression drifted southward utc july system suddenly turned west northwest accelerated storm gradually intensified passing northeast midday july tropical depression upgraded tropical storm hours later reached peak wind speed mph storm approached baja california peninsula storm ultimately turned west area cool water high amounts wind shear utc july weakened tropical storm hours later ceased exist tropical cyclone hurricane seventh tropical cyclone season developed afternoon hours july north upgraded depression tropical storm july subsequently began intensify utc july storm upgraded category hurricane early july storm attained peak intensity mph despite turning west northwest maintained hurricane intensity july storm began encounter cooler waters days later downgraded tropical depression entering warning zone august upgraded tropical storm accelerated approaching august tropical cyclone reached secondary peak mph passing hawaiian islands passed close august marginal tropical storm early august system downgraded tropical depression degenerated trough west northwest later day prior arrival gale warnings issued islands august warnings discontinued islands tourists northern island mph winds reported resulting extensive damage areas slight damage minor power island briefly left customers electricity outer rainbands led minor flooding overall damage minimal expected offshore person presumed died named hurricane went missing additionally foot ship nearly sunk storm people board sustained injuries hurricane tropical storm moving westward tropical disturbance began develop south guatemala coastline developing circulation system upgraded tropical depression july moving west northwest depression strengthened tropical storm utc day continued late july storm attained winds mph initially expected pose threat hawaii occur rapidly intensified late july upgraded storm hurricane turning west southwest track similar attained category intensity july utc july upgraded category hurricane intensity storm passed attained peak intensity early july winds mph category system peak displayed defined eye continuing west northwest hours northwest began encounter cooler ocean temperatures slow weaken august downgraded category hurricane days later downgraded tropical storm strong trough low pressure pulled northwest later north august storm downgraded tropical depression storm dissipated day high latitude remnants brought cloud cover oregon washington tropical depression july tropical disturbance crossed central_america low latitude tropical depression declared august storm expected turn west northwest continued west instead failed intensify despite situated warm water depression dissipated august later somewhat cooler water hurricane origins hurricane northward early august resulted formation tropical depression august hours later upgraded tropical storm continuing intensity upgraded hurricane late august subsequently developed eye storm soon reached peak mph late august hurricane began weaken encountered cooler waters hurricane soon downgraded category following day downgraded tropical storm west baja california peninsula august storm downgraded tropical depression centered west point dissipated day sea brought waves southern_california waves storm expected person swept away beach remnants storm later moved resulting moderate rainfall worst hit storm nearly road washed residents isolated rains tornado near los_angeles led minor damage buildings destroyed forcing numerous evacuations homes left power closed minor reported people died car swept channel damage storm totaled million usd affecting california remnants hurricane moved nevada parking lots flooded small towns isolated major streets outskirts las_vegas closed flooding tropical depression eleventh cyclone season formed intense area thunderstorms located yucatán_peninsula august crossing mexican mainland emerged near early august turning northwest intensified depression days later showing sign circulation depression continued northwest little change wind speed august hours formation depression dissipated circulation ceased close landfall baja california peninsula tropical depression tropical depression formed august far land winds mph moved steadily west despite warm waters quickly weakened lost deep convection depression dissipated august briefly developing closed circulation tropical storm tropical originated tropical depression formed august east northeast moving west northwest briefly west depression gradually intensified system turned northwest ridge west coast baja california sur utc august announced depression strengthened tropical storm moving strong trough west coast peninsula reached peak intensity mid level tropical storm early august winds mph attaining peak intensity developed eye began weaken cooler water trough weakened tropical storm headed west august remarked downgraded depression days later tropical depression dissipated cold water tropical depression disturbance developed circulation august organized tropical depression days later traveling west northwest initially favorable environment expected tropical storm soon encountered trough dry air arrested development crossed international september began issuing advisories system depression gradually weakened dissipated september remnants near days hurricane hurricane originated tropical disturbance crossed central_america august emerging pacific disturbance moved steadily westward utc august classified system tropical depression south developed ridge centered new_mexico moving southward causing light wind shear system utc august depression intensified tropical storm initially expected turn west head sea storm moved northwest paralleling mexican coast early september began utc intensified category hurricane bypassing category status hours later reported intensified low end category remaining intensity hours hurricane resumed intensification attaining peak intensity mph late september west shortly peak combination cooler waters increased wind shear associated subtropical resulted rapid weakening hurricane soon downgraded category status briefly intensifying september day resumed weakening downgraded category storm turned west northwest away mexican coast september storm downgraded category system time revised forecast expected storm accelerate approach baja california september weakened tropical storm subsequently system turned north downgraded tropical depression day devoid convection dissipated early september west southwest baja california outer rainbands hurricane caused considerable damage homes hotels situated near coast mexico forcing evacuation hundreds resorts worst hit storm outside little damage reported brought high clouds extreme southwestern portion baja california peninsula days sea hurricane responsible waves california resulting rescues weakening tropical system brought subtropical moisture high clouds california hurricane end week september cyclone season starting form south mexican coast disturbance moved westward classified tropical depression south acapulco early september like storm deepened rapidly upgraded tropical storm utc day initially moving slowly storm sharp turn northwest parallel coast mexico accelerating poorly defined eye visible satellite imagery utc september upgraded hurricane hours later early day intensified category hurricane utc september attained winds category hurricane simultaneously storm reached peak intensity winds mph maintaining peak intensity hours began weaken cooler waters early september downgraded weakened category hurricane storm expected emerge southern gulf california hours occur upgraded category hurricane intensity held hours briefly weakening category hurricane moved west northwest low wind shear environment subsequently attained secondary peak winds mph passing south cooler water began toll storm september storm downgraded category later day weakened tropical storm combination strong shear cold sea surface temperatures midday september downgraded system tropical depression furthermore system dissipated hours later time dissipation centered west southwest san_diego brought rough surf weather coast mexico particularly furthermore responsible damage acapulco seven people died flooding ships drowned storm result local ports closed addition blocked portion hurricane vigorous tropical disturbance noted september south despite presence wind shear upgraded system tropical depression utc september tropical storm utc day centered south reached hurricane strength early september hours later reached secondary peak wind speed mph trend short lived early september storm wind diminished mph evening early september turned north developing small eye maintained winds mph day upgraded category hurricane september developed larger defined eye afternoon reaching peak intensity mph major hurricane storm held major hurricane winds hours subsequently weakening utc september eye collapsed began encounter colder ocean temperatures intercepted hurricane hunter aircraft day found evidence eyewall downgraded tropical storm south san_diego turning north northeast hurricane_hunters penetrated storm second time noting storm clouds september downgraded system depression following day landfall eastern portion dissipating utc remnants hurricane later brought rain southwestern united outer rainbands began produce moisture region september continued september mountains california storm brought heavy rains laboratory near recorded peak rainfall total total customers lost electricity high winds heavy rains led minor damage numerous fires occurred fires caused major damage east arizona isolated rain showers reported peaking dam northern portion baja california brought showers high waves impact storm anticipated tropical storm hours dissipated september tropical disturbance formed south situated south ridge disturbance started developing circulation system declared tropical depression morning september later morning upgraded disturbance tropical storm held marginal tropical storm intensity hours quickly intensifying september storm attained winds mph storm turned west northwest weakened steadily encountering cooler water september downgraded depression accelerating storm entered zone day tropical began encounter slightly warmer waters began utc september announced regained tropical storm strength quickly intensified early september hurricane hunter aircraft reported winds mph formation eye time located southeast evening storm start signs weakening turned southwest away hawaiian group september winds mph closest approach hawaii passing south briefly intensifying october suddenly dissipated hours later data tropical cyclone forecast models showed passing near hawaiian islands fears repeat hurricane hurricane watch posted utc september gale warnings high surf advisories issued entire state officials urged complete preparations night september coastal parks ordered police find shelter higher ground hurricane watch discontinued away september gale warnings high surf advisories dropped day islands outer rainbands brought locally heavy rain state flooding reported eastern areas families evacuated shelters higher normal surf observed southeast east facing beaches overall damage minor tropical storm octave tropical disturbance formed south september moved west days prior attaining tropical depression status initially depression situated warm waters wind shear subsequently increased vicinity storm september depression strengthened tropical storm octave hours later octave attained peak intensity mph decreased forward speed turning northeast september began weaken cooler waters increasing vertical wind shear utc october issued advisory storm surface circulation dissipated threat flooding local flood warnings issued arizona end highest rainfall associated octave state excessive rainfall caused rivers overflow rivers experienced highest record runoff rivers flooded major flooding reported tributaries rains devastated valley homes destroyed south major flooding reported extreme southeastern arizona nearly flooded west phoenix people evacuated apartment complex greater phoenix area fires started lighting tropical storm octave considered worst flood history octave regarded worst tropical system affect arizona buildings damaged octave total structures destroyed octave damaged people temporarily displaced damage arizona totaled million fourteen people drowned persons injured new_mexico peak total rain recorded resulting flooding new_mexico governor declared state emergency damage new_mexico estimated million mexico rain reported altar roads closed october arizona governor declared state emergency president ronald_reagan declared arizona counties major disaster area october hurricane tropical storm octave active tropical disturbance formed september near disturbance moved northwest upgraded depression utc moving beneath southwest ridge steadily intensified early october upgraded hurricane remaining category hurricane day upgraded category hurricane evening subsequently began rapidly intensify utc october hours hurricane upgraded major hurricane winds mph peak held hours displayed defined eye additionally hurricane began sharp turn north northwest strong trough southern_california coast storm initially expected onshore baja california bring flooding rains arizona shortly peak began encounter cooler waters start slowly lose strength pre dawn hours october weakened category later day downgraded category system utc october downgraded system tropical storm time anticipated system landfall tropical system california quickly weakening downgraded depression day early october dissipated southwest storm threat california flash flood watches issued southern portion state arizona heavy equipment evacuated flood prone areas central baja california peninsula showers reported category hurricane outer rainbands brought rains california resulting power outages hail traffic accidents los_angeles daily rainfall record set streets anaheim flooded roof church damaged consequently flash flood warnings posted parts los_angeles riverside offshore rough seas generated northwestern arizona nevada heavy showers thunderstorms occurred remnants storm moved area october rainfall totals expected weather stations recorded precipitation peak total measured hurricane tropical wave crossed nicaragua october moving westward ridge center mexico developed ridge extended westward despite presence strong wind shear upgraded tropical depression south southeast cabo san lucas october depression moved waters intensifying tropical storm october intensifying quickly attained hurricane status october hurricane subsequently developed small distinct eye rapidly intensifying storm rapidly moved west upgraded major hurricane late october reached peak winds mph moderate category hurricane roughly hours hurricane time peak hurricane located south san_diego believed held peak intensity days hurricane subsequently weakened category october intensified days continued warm waters system crossed warning zone reaching secondary peak mph october strongest storms recorded region begun movement northwest eye later poorly defined shape hurricane elongated hurricane_hunters confirmed weakening trend reporting pressure mbar inhg weakened tropical storm october wind shear took toll storm storm drifted northwest underwent loops days later storm resumed westward motion weakened tropical depression devoid deep convection landfall october tropical depression shortly dissipated inland predicting storm pose threat hawaiian island group issued hurricane watch hawaii high surf advisory issued approached hawaii cyclone kicked high big island east end hawaiian island chain battered waves addition brought beneficial rains gusty winds islands precipitation ranged casualty sailor lost overboard craft boat traveling san_diego course altered hawaii storm minor damage reported result hurricane fishing vessel issue help storm tropical storm situated miles west hurricane tropical disturbance formed october moving west northwest disturbance upgraded tropical depression october moving west northwest hours turned west despite warm waters strong westerly wind shear prevented development october upgraded tropical storm day reached peak intensity mph short lived thunderstorm activity quickly displaced center utc october weakened tropical depression hours later weakened tropical disturbance failed maintain closed circulation storm entered warning zone began encounter warmer waters lighter wind shear began october regained tropical storm intensity briefly posed threat hawaii despite remaining small disorganized reached peak intensity mph second time evening outflow hurricane weakened system dissipated october miles south southeast hurricane origins weak tropical disturbance crossed costa_rica pacific_ocean october warm waters system sufficiently organized declared tropical depression october south acapulco october turned sharply northward depression upgraded tropical storm october tropical storm continued intensify days tropical storm strengthened attain hurricane status october reached major hurricane status early october reached peak winds mph weakened slightly approached coast utc day landfall near winds mph rapidly weakened land merged cold remnants observed october ohio moderate rainfall reported landfall location peaking lighter precipitation occurred inland mexico united_states border anchored ships washed aground strong waves swells total seven ships reported missing overall hurricane sank small ships fishermen killed responsible severe flooding heavy damage strong winds state hurricane destroyed nearly acres corn agricultural damage occurred south addition hurricane disrupted flow drinking water total hotels received extensive damage people hurt thousand people left homeless damage country estimated million usd caused total deaths mexico rain continued flooding reported lower town population sought emergency shelter deep water oklahoma texas people displaced people killed total million crop damage occurred oklahoma total damage state estimated million person killed kansas tropical depression october tropical disturbance noted south moving west northwest disturbance upgraded depression turning northwest depression dissipated hour moving ashore lasting hours shortest lived storm season despite lack damage rain measured portions coast tropical storm tropical disturbance developed october despite unfavorable conditions system began organize tropical depression november quickly intensified upgraded tropical storm hours later intensification occurred peaked minimal tropical storm tropical storm began weaken hours downgraded tropical depression november following day issued final advisory hurricane combination unusually warm sea surface temperatures displacement north small area disturbed weather formed early december situated south southwest acapulco disturbance organized tropical depression december slowly headed north intensified tropical storm peaked intensity december initially expected continue north storm stalled instead wind shear caused trough began rapidly deteriorate downgraded tropical storm night weakening depression dissipated december remnant disturbance moved west season storm known december tropical cyclone east pacific proper modern record began latest hurricane record eastern tropical cyclone landfall caused rain parts mexico highest total recorded furthermore storm brought strong winds region damage expected storm names following names named storms formed eastern pacific names list year names retired season central pacific names
1983 Pacific hurricane season