hurricane hurricane second category hurricanes pacific hurricane season twelfth tropical cyclone tenth named storm sixth hurricane season originated tropical wave formed atlantic_ocean crossed pacific_ocean wave spawned low pressure system organized tropical depression august tropical storm august hurricane later day rapidly intensified reached peak intensity category storm saffir simpson hurricane scale proceeding northwest maintained strength hours september entered cooler waters began weaken september degenerated remnant area low pressure second intense hurricane season maintained category status second longest time season hurricane remained far land swells feet meters caused minor beach erosion coast mexico addition associated remnant moisture generated light shower activity southern california tracked offshore meteorological history august tropical wave left coast africa traveled westward atlantic_ocean crossing central_america emerging eastern pacific merged pre existing convergence zone disturbance system gradually developed moderate convection august developed sufficient convection designated tropical depression depression produced persistent strong thunderstorms primarily areas deep convection located northeast west center circulation center elongated wind shear system remained light outflow good led forecasters predict modest intensification afternoon august banding features evident depression upgraded tropical storm sustained winds mph organization occurred center circulation encircled convective thunderstorms august storm upgraded hurricane moved northwestward miles southwest acapulco light wind shear favorable ocean temperatures led steady intensification storm satellite images indicated eye developed late august minimum pressure lowered hpa maximum winds increased mph category saffir simpson hurricane scale storm quickly reached category major hurricane soon category eye ragged lateral movement northwest rose mph southern periphery strong deep layer ridge united_states september hurricane reached peak intensity mph minimum pressure hpa reached category second powerful storms season september storm convective thunderstorms warmed slightly indicating weakening category eyewall replacement cycle took place eye structures formed gradual weakening continued september storm downgraded category turned slightly west storm underwent eyewall replacement cycle winds decreased storm entered cooler waters winds decreased mph major hurricane intensity downgraded category eye cloud filled september downgraded tropical storm winds rapidly weakened mph despite developing new band convection day storm downgraded tropical depression began lose tropical characteristics strong wind shear developed dissipating depression september system degenerated remnant low pressure system spawned remnant moisture coast california producing light showers impact intensity hurricane remained far shore caused little damage land brought light wind coast mexico rough surf caused minor impact open waters near center waves generated storm unofficially estimated exceed feet meters official reported swells feet meters coast mexico waves reached feet meters causing minor beach erosion portion remnant moisture southern california coast produced light rainfall slippery roads known effects shipping grew tropical storm category intensified rate mbar hpa hour threshold rapid intensification hour period august september deepened mbar hpa hour range explosive deepening favorable conditions including light wind shear warm water
Hurricane Hernan (2002)