hurricane hurricane strong tropical cyclone september resulted heavy rains portions mexico seventeenth named storm eleventh hurricane season developed southwest mexico low pressure area september warm sea surface temperatures low moderate wind shear system intensified tropical storm september hurricane day defined eye soon formed storm central dense overcast reached peak intensity mph category major hurricane saffir simpson hurricane wind scale september storm moved stable environment area lower sea surface temperatures causing rapid weakening convective activity dissipated degenerated remnant low september lingering system persisted southwest baja california ultimately opening trough september mexico storm brought rainfall states causing flooding especially mudslides resulted closure multiple highways damage dozen homes flooding affected approximately homes hundreds damaged prompting dozens families evacuate small communities temporarily isolated flood waters covered bridges localized flooding damaged crops dwellings damage reached approximately directly impact land moisture storm pulled northeast enhanced local monsoon los_angeles received rain contributing city second september record fatality state occurred drowning utah impacted major flash flooding incidents rainfall amounting year levels left deaths state near damage southwest amounted million meteorological history tropical wave emerged atlantic_ocean west coast africa august days later system spawned tropical storm southern portion wave persisted westward moved central_america august shower thunderstorm activity associated wave began increase days crossed convection enhanced september wave interacted tropical wave eventually resulting development broad low pressure area early following day national_hurricane_center nhc issued tropical weather outlook cluster clouds showed signs organizing tropical system wind shear forecast tropical cyclogenesis days shear remained moderately strong low acquired defined center circulation september following organization deep convection tropical depression developed utc september located southwest influence strong mid level ridge northern mexico depression moved northwestward area moderate northeasterly vertical wind shear warm sea surface temperatures utc september system strengthened tropical storm decrease wind shear began undergo rapid deepening shortly day early september storm increased convective banding developed central dense overcast satellite imagery indicated eye forming time utc september intensified category hurricane saffir simpson hurricane wind scale hours later cyclone reached category status slight increase wind shear possibly intrusion dry air temporarily remained steady intensity passing operationally nhc briefly downgraded category hurricane utc september post analysis concludes storm remained category strengthening resumed early september system category hurricane coincided satellite imagery indicating banded eye feature utc attained peak intensity maximum sustained winds mph minimum barometric pressure mbar inhg early september hurricane rapidly weakened entering region slightly colder sea surface temperatures falling category utc category intensity hours later time began encountering dry stable air mass ocean temperature utc september cyclone weakened tropical storm losing convective coverage remaining showers thunderstorms detached low level circulation transitioned post tropical cyclone utc following day situated west southwest baja california sur remnants weakened days trough west baja california september impact aftermath mexico outer bands brought rainfall states mexico baja california baja california sur flooding affected municipalities rainfall peaked flooding affected approximately homes state hundreds damaged prompting dozens families evacuate small communities temporarily isolated flood waters covered bridges civil officials declared emergency municipalities wake scattered power outages occurred city scattered thunderstorms resulted multiple landslides flooding prompting closure highways damaging dozen homes localized flooding attributed damaged crops homes losses reached waves likely impacted coastal areas baja california baja california sur additionally passed roughly west september sustained winds reached mph gusts mph united_states california moisture pulled north produce thunderstorms portions california starting september flooding rock prompted numerous road person drowned moisture hurricane remnants partially contributed enhanced monsoon combining upper level trough bring average rainfall areas strong winds thunderstorm september knocked rail cars track costing insurance companies million september los_angeles received rain contributing city second september day records began second september water penetration state route city resulted crack road rainfall common san_diego underground parking lot midway neighborhood flooded flood related losses state reached utah remnant low september moisture associated tropical cyclone spread aided average water levels aforementioned upper level trough scattered thunderstorms developed region september major incidents flash flooding resulted deaths utah deadliest flash flood event state history previous deadliest event august seven people died near flash floods occur annually utah average flash flood days year afternoon september successive thunderstorms produced rain year event near utah national_weather_service issued strongly flash flood warning utc area stating higher ground act quickly protect life storm resulted rise measured stream gauge arizona minutes utc residents gathering nearby observe utc second surge water swept creek gauge reporting rise gauge stopped reporting utc second flood swept away vehicles carrying collective people observing rising waters thirteen people killed children rescued bodies recovered utah arizona downstream bodies found downstream alongside fatalities floods left blocks town power water lines bridges infrastructure sustained varying degrees damage homes sustained water mud damage total losses reached flooding continued downstream arizona rendering multiple roads damaging bridges losses city amounted federal personnel community volunteers including percent residents conducted search rescue immediate aftermath members personnel dispatched assist search rescue dangerous conditions creek slowed operation september personnel searching year old boy missing ultimately thousands people agencies took search final victim efforts called september missing boy presumed dead local residents continued periodic searches boy december granted public safety award mayor office chief response coordination following floods allocated million repair costs efforts future floods total million went provided emergency watershed protection program second flash flood incident occurred national park rain fell utc day period ending september park saw rain earlier flash flood warning prompted officials park close utc group seven entered utc flow dramatically increased following rains river experiencing rise second second minutes seven people swept away ensuing flood died rescue operations launched evening dangerous conditions resulted search held following day bodies discovered miles apart man hurricane utah west died september swept away floods traveling remote dirt roads vehicle discovered arizona september south arizona utah border body found away following day utah rain resulted traffic accidents mudslides including american fork canyon shut parts state route state route scattered thunderstorms caused sporadic damage arizona leaving losses
Hurricane Linda (2015)