Before the satellite age started in the 1960s, data on east Pacific hurricanes was extremely unreliable.
[2] The initial low pressure area formed near the Gulf of Tehuantepec on June 23, moving west-northwest near the coast into July 1.
Its lowest reported pressure was 29.56 inHg (100.1 kPa), and was moving along the coast of Mexico.
[1] Roughly southwest of the Gulf of Tehuantepec, a tropical cyclone formed on August 7.
It moved along the coast and dissipated south of the entrance to the Gulf of California on August 10.
[6] A sudden plunge in the barometer provided enough warning for emergency evacuations in those cities, which were credited with keeping the death toll below that which was initially reported.
[10] In the aftermath, displaced refugees attempted to cross the border and enter Nogales, Arizona.