tropical storm rachel tropical storm rachel tropical cyclone landfall pacific hurricane season fourth tropical depression eighteenth named storm rachel developed september tropical wave southwest mainland mexico tropical depression system tracked slowly southwestward eventually curved northwestward depression intensified tropical storm days named rachel national_hurricane_center rachel continued steadily strengthen peaked strong mph tropical storm october attaining peak intensity rachel curved landfall southern baja california sur october storm produced heavy rainfall northern mexico thousands people left homeless fatalities reported meteorological history origins rachel traced tropical wave moved west coast africa mid september moved westward caribbean_sea significant development poorly organized wave entered overnight september thunderstorm activity concentrated days later dvorak classifications technique estimate tropical cyclone intensity began late september early september fourth tropical depression season developed operationally warned system located south baja california sur september post analysis later confirm rachel minimal tropical storm time convection initially remained displaced center rachel steadily intensified early september national_hurricane_center nhc operationally upgraded depression tropical storm rachel intensifying upper level trough california allowed rachel curve mexico october reached peak intensity mph minimum pressure mbar hpa inhg maintaining intensity hours rachel landfall peak intensity near southern tip baja california sur strong wind shear prevented additional intensification despite moving warm waters weakening slightly rachel second landfall midway las moving inland system rapidly weakened forward speed increased rachel dissipated hours later october time winds decreased mph remnants rachel entered united_states noted texas preparations impact prior arrival rachel mexican government issued tropical storm watch southern baja california sur encompassing areas south october rachel moved closer area watch replaced tropical storm warning mainland tropical storm watch issued state south hours later watches replaced tropical storm warning end october watches warnings discontinued highest rainfall totals del near southern tip baja california sur weather stations mexico reported barometric pressure mbar hpa inhg passage rachel precipitation measured different places country northern mexico significant flooding reported worst effects felt states thousands homeless people died rescue workers freed dozens trapped people moisture associated rachel cold produced rainfall arizona new_mexico western texas located southwest baja california sur rachel dropped heavy rains flash flood watch issued counties new_mexico october rainfall reportedly day september remnants storm produced additional precipitation state heavy rains fell western texas flash flood warning issued areas experienced rainfall heavy rains falling western portion texas roads washed especially big bend national park car accidents reported roads locations texas measured rain highest rainfall
Tropical Storm Rachel (1990)