pacific hurricane season pacific hurricane season active hurricane season hundreds deaths hundreds millions dollars damage season deadliest pacific hurricane seasons exceptionally strong event pacific hurricane season officially started eastern pacific june central pacific lasted november dates conventionally period year tropical cyclones form northeastern pacific_ocean storms impacted land tropical storm killed people left missing august tropical storm took unusual path extratropical remnants caused minor damage pacific_northwest california intense east pacific hurricane recorded history landfall produced large surf southern_california result people rescued caused flooding damage caused eighteen deaths people reported missing hurricane killed people caused record damage southeastern mexico addition originated region crossing international date line causing significant damage western pacific category hurricanes activity season average season produced named storms little normal average number named storms year season hurricanes compared average major hurricanes compared average season summary pacific hurricane season officially started eastern pacific june central pacific lasted november dates conventionally period year tropical cyclones form northeastern pacific_ocean season exceeded boundaries tropical storm formed december dissipated nineteen days later crossing moved pacific hurricane season fairly active strong occurring time causes wind shear reduced water temperatures increase resulting conditions tropical cyclones cyclones total including unnamed tropical depressions east pacific east peaked tropical storm intensity reached hurricane status seven reached category intensity higher saffir simpson hurricane scale including central pacific cyclones crossing western pacific hurricane year major hurricane months year storms records set storms particular month activity central pacific average tropical storms formed tropical depressions number storms moved east total tropical cyclones entering forming fourth highest number satellite observations began storm formed june storm dissipated december gives season latest known end december date storm crossed taken end season second latest end season tied season season summary statistics season began formation tropical depression june ended dissipation tropical depression december season alternatively considered end december day tropical storm crossed international named storms formed june july august september october november unusually tropical storm formed december season ended times feat occurred satellite era began storms tropical storm originated disturbance slowly organized formed tropical depression june day reached tropical storm status second circulation formed north northwest initial circulation circulation dominant intensified slightly brief period normal track northwest picked westerly winds named storm threaten central_america initially forecast cross enter caribbean_sea instead turned southeast paralleled coast time record keeping began storm taken path turned northeast weakened depression landfall near june dissipated shortly casualties reported missing caused power outages flooding rivers car crashes damage roughly homes highest rainfall report mexico inches damage noted parts nicaragua killed people el_salvador heavy flooding tropical storm tropical depression formed broad area low pressure june hours later depression strengthened tropical storm system developed good outflow reached peak intensity winds mph circulation defined weakening trend began downgraded depression june lost closed circulation shortly declared dissipated briefly threatened land june warnings watches established mexican shortly ridge high pressure turned away coast moved south mexican coast dropped total inches rainfall major damage casualties impact generally minimal tropical depression tropical depression formed june moving rapidly westward strengthened winds depression soon decreased dissipated early june depression impacted land tropical storm june showers increased associated tropical wave miles away land days later deep convection concentrated system tropical depression intensified tropical storm banding features increased outflow better defined moved west convection diminished moved cooler water shortly increased wind shear took toll low level center exposed deep convection weakened depression early june dissipated june clouds remained couple days system passed close threatened land indications casualties damage reported tropical depression afternoon june tropical depression formed moved westward july depression weakened slightly quickly dissipated july threatening land early july shower activity increased association area disturbed weather surface pressures lower normal tropical disturbance deep convection increased tropical depression formed late july reaching tropical storm status following day named despite moderate wind shear cold cloud tops formed winds increased mph moderate tropical storm moving westward strengthened hurricane season july ragged eye formed continued intensify reached peak mph strong category hurricane days later hurricane years cross hurricane started losing strength moved cooler waters eye dissipated satellite imagery associated thunderstorm activity weakened tropical storm july tropical depression day cyclone crossed area responsibility west producing minimal shower activity dissipated july hurricane threat land hurricane major hurricane season originated broad area low pressure july near thunderstorms gradually concentrated tropical depression formed july strengthened tropical storm hours later began rapidly intensify convection increased near center hurricane july continued steadily intensify category hurricane july day reached peak intensity mph peak pressure mbar hpa july shortly hurricane outflow began weaken cool waters weakened fairly quickly downgraded category hurricane july lost hurricane intensity later day july winds decreased mph weakened depression day degenerated clouds shortly system threatened land hurricane large area disturbed weather formed july organized depression south july intensification delayed wind shear proximity days tropical storm late july moved west northwestward continuing intensify eye formed based upgraded hurricane july development halted increased wind shear leveled intensity shear decreased began intensify hurricane winds reached mph pressure fell mbar hpa making moderate low end category hurricane shear increased time moved cooler waters began weaken moved west northwest july lost major hurricane intensity shortly downgraded tropical storm crossed strong wind shear took toll downgraded tropical depression july damage deaths reported wake hurricane tropical depression tropical depression formed july disturbance showing signs organization past days moved west southwest unfavorable environment morning july dissipated strong wind shear caused upper level trough system impacted land damage reported hurricane tropical wave emerged pacific_ocean july organized depression july named tropical storm day quickly intensified reaching hurricane status august major hurricane august reached category intensity august continuing rapidly intensify attained category strength august tropical cyclone peak intensity mbar hpa mph weakened slowly tropical storm august crossed entered weakened depression late august storm hours later encountered small area warmer water weakened depression second final time august extratropical cyclone early day storm remnants far northern pacific tracked point nautical miles west remnants persisted days drifted south absorbed mid latitude cyclone august coast california tropical storm tropical wave showed signs development emerged organized tropical depression august despite wind shear depression managed tropical storm late august reached peak intensity moderate mph tropical storm day maintaining peak intensity hours gradually weakened increasing wind shear august shear weakened depression cyclone dissipated early morning threat land caused known damage deaths tropical storm tropical storm formed depression area disturbed weather august hours later organized tropical storm location tropical cyclone formation north west tropical cyclones develop steering currents pulled north encountered wind shear cooler waters intensified mph downgraded depression august transitioned extratropical cyclone hours later absorbed cyclone associated remnants hurricane remnants moved north bringing gusty winds california coastal waters dissipating severe flooding recorded highway debris flow estimated deep caused rainfall far north state washington thunderstorms caused power outages central california hurricane week august tropical disturbance formed far land system located warmer average sea surface temperatures upper level environment initially unfavorable environment gradually tropical cyclone formation tropical depression formed august area disturbed weather easterly location tropical storm day hurricane august intensification rapid winds increasing mph mph hours continuing rapidly intensify reached peak intensity low end category hurricane maintaining peak intensity hours moved north northwest encountered increasing wind shear reduced winds mph mph hours completely dissipated august long entering threat land tropical storm tropical storm began tropical disturbance south organized tropical depression september later day upgraded hawaiian oliver slowly moved west crossed late september entered pacific_ocean tropical cyclones renamed cross basin boundaries kept passed south september caused heavy rains damage september started period rapid strengthening typhoon september super typhoon hours later stayed intensity days strong typhoon passed near started weakening curved japan landfall minimal typhoon september quickly dissipated later day typhoon caused fatalities left people homeless damage totaled billion million usd tropical storm kevin tropical storm kevin displayed hints development located near panama developed defined circulation emerging pacific classified tropical depression pacific september located south south west baja california convection increased outflow storm better defined tropical storm morning september gradually intensifying reached peak intensity mid level tropical storm september moved westbound maintained intensity hours environment unfavorable days later kevin weakened depression deep convection ceased dissipated early september having posed threat land hurricane tropical disturbance formed september tropical depression fourteen later day cyclone moved northwest strengthened tropical storm september rapidly intensified reaching hurricane intensity day eye formed peaked intensity september reaching maximum mph category hurricane saffir simpson hurricane scale minimum pressure mbar hpa making intense pacific hurricane recorded hurricane took place soon moved cooler waters lost hurricane intensity september slowly weakened dissipated september passed near addition early forecasts predicted landfall california landfall warnings watches necessary location caused large surf crashed ashore california swept people moisture related contributed landslide southern california destroyed damaged houses tropical storm area disturbed weather formed early september better organized days later convection increased organized tropical depression late september moving slowly westward direction strengthened tropical storm morning september later day system reached peak intensity mph storm forward speed slowed turned south encountered area strong wind shear weakened depression september center circulation displaced deep convection shear continued weaken tropical cyclone dissipated late september deaths damage hurricane large area disturbed weather moved pacific september organized tropical depression sixteen september quickly strengthened tropical storm early september poorly defined ragged eye appeared infrared imagery shortly winds reached mph eventually peaked category encountered water temperature fluctuated strength trough pulled northward accelerated storm weakening category landfall northern baja california stayed tropical storm entered united_states time deep rest convection displaced northeast dissipated arizona remnants kept going north pacific hurricane bring gale force winds continental united_states mexico produced high waves flooding heavy damage homes destroyed united_states rains heavy damage amounted million dollars people rendered homeless wind flood damage arizona killed people mexico indirect deaths reported california tropical storm tropical disturbance left central_america september despite wind shear system gradually better organized tropical depression formed september upgraded tropical storm hours later cyclone immediately moved north instead strengthening hurricane landfall weakened proximity land september landfall near tropical depression moved westward far sea operationally believed dissipated days report issued months hurricane duration believed remained tropical cyclone entire time slightly moved southeast october influence hurricane turned north october second landfall near tropical depression surface circulation weakened remnants moved sea resulted reports damage flooding mexico guatemala time frames september october october total inches rainfall fell association people reported missing damage landfall guatemala el_salvador flooding caused blamed eighteen deaths hurricane october distinct area disturbed weather formed drifted eastbound defined low pressure soon formed tropical depression eighteen october early day intensified tropical eye feature developed october upgraded hurricane favorable environment cyclone rapidly intensified reaching category intensity fluctuating intensity interaction land weakened category time landfall october accelerated northwest passed mountainous region mountains disrupted circulation moisture hurricane dissipated october hurricane deadliest storm season landslides flooding caused heavy rain caused tragic loss life left thousands homeless casualties red_cross reported people died disputed mexican officials mexico deadliest hurricane addition hurricane caused million damage usd million usd tropical depression tropical disturbance formed near tropical depression october waters warm moderate wind shear depression slowly moved westward intensifying dissipated day tropical depression tropical disturbance formed late october tropical depression october southwest hawaii waters warm dry air located north system slowly moved westward intensifying dissipated day circulation exposed hurricane hurricane november formed tropical disturbance circulation initially poorly defined later acquired organization classified tropical depression november moved north trough low pressure turned northeast named november upgraded hurricane day reached peak intensity mph mbar hpa landfall area devastated hurricane month earlier quickly weakened dissipating early november storm downed trees washed recently repaired roads disrupted communications small population centers total inches rain reported san near point landfall mexico killed known hurricanes form pacific_ocean east month november ones kenneth directly impacted land second latest tropical storm tropical depression formed december days season ended second december tropical depression east hurricane depression strengthened tropical storm hawaiian pat west system began westward steady pace moved westward dry air wind shear disrupted development crossed december entering cyclone encountered favorable environment resulting rapid intensification typhoon december passed near winds mph strengthened twice reaching category intensity super typhoon passed close guam december causing major damage encountered hostile environment completely dissipated evening december season effects table storms landfall deaths additional indirect example indirect death traffic accident storm related damage deaths include totals storm extratropical wave low include impacts accumulated cyclone energy ace accumulated cyclone energy ace measure active hurricane season calculated cyclone tropical storm force winds hours results dividing total explains higher ace strong storm tropical storm force longer time reached higher ace level tropical cyclone gale force winds tropical storm tropical depressions included tables storms ace given significant figures ace east pacific proper north_america given ace central pacific international given table includes storm time east ace west totals typhoon season national_hurricane_center uses ace rank hurricane seasons normal near normal normal season total tropical storms hurricanes major hurricanes total ace season east pacific proper season normal storm names following names named storms formed eastern pacific names assigned marked gray names retired list season list season replaced storm named time season subsequent seasons corrected storms form area responsibility encompassing area degrees west international date line names series rotating lists names slated use shown retirement retired spring replaced season list retired effects west season set replace
1997 Pacific hurricane season