Hurricane Norbert marked Recording the first time a core of a hurricane was fully mapped Recording in three-dimensions .

First forming Coming_to_be on September 14 , 1984 west of the Mexican coast , Norbert gradually intensified Cause_change_of_strength , reaching Achieve hurricane intensity two days after formation Coming_to_be .

On September 22 , Norbert peaked Cause_change_of_position_on_a_scale in strength as a Category 4 hurricane Catastrophe on the Saffir-Simpson Hurricane Scale .

While intensifying Cause_change_of_strength , Norbert meandered Self_motion .

After fluctuating Motion in intensity for two more days , Norbert rapidly weakened Cause_change_of_strength .

The combination of Norbert and several other storms left Causation thousands homeless throughout Mexico .

The remnants of Hurricane Norbert produced Creating moderate rain over Arizona .