hurricane marked time core hurricane fully mapped dimensions forming september west mexican coast gradually intensified reaching hurricane intensity days formation september peaked strength category hurricane saffir simpson hurricane scale intensifying moved east north west south east finally northeast fluctuating intensity days rapidly weakened turned northwest landfall southern baja california tropical storm combination storms left thousands homeless mexico remnants hurricane produced moderate rain arizona meteorological history tropical depression developed september pacific_ocean west mexican coast hours later depression intensified tropical storm gradually strengthening weak steering currents days rate intensification accelerated early september shortly hurricane september turned east north attaining category status saffir simpson hurricane scale utc day began turn west hours later upgraded major hurricane category higher maintaining intensity half days turned south slight strengthening east utc september reached peak intensity mph deep layer ridge rocky_mountains replaced upper level trough extended south change steering patterns caused hurricane eventually turn northwest fluctuated intensity hours peak weakened category hurricane regain category strength separate occasions hours september hurricane hunter aircraft flown measured eye closed eyewall september located south southwest cabo intensified category hurricane fourth time aircraft reconnaissance flew hurricane observed heaviest precipitation located east center circulation wind field repeated eyewall scientists mapped storm dimensional wind field marked time core hurricane completely mapped aircraft equipped weather radar hurricane motion accelerated utc september mid level category hurricane later day final hurricane hunter aircraft flew hurricane finding larger eye flight diameter weakening tropical storm early september system moved ashore near point central portion baja california peninsula high end tropical storm monthly weather review suggests cyclone dissipated september peninsula noted tropical depression arizona tropical cyclones survive state preparations impact hurricane described big ugly planes advised use caution navigating area government marine operator warned shipping exercise extreme caution baja california sur noted possibility heavy rains flooding portions baja california peninsula mexico combination storms left people home hotels nearly scattered light rainfall fell portions baja totals respectively rainfall data reported locations mexico entering arizona sustained winds mph recorded metropolitan area rapid motion moderate rainfall occurred south central northeast arizona locations reporting rain reported hour storm rainfall total lower normal pressures recorded new_mexico flash flood warnings posted heavy rainfall
Hurricane Norbert (1984)