The next day, the system was upgraded into a tropical storm a short distance south of Baja California Sur.

Although officials noted the threat for heavy rainfall across northwest Mexico and Baja California, damage was minimal and no deaths were reported in the country.

[1] The area of disturbed weather was first mentioned on the National Hurricane Center (NHC) around that time, but signification development was initially not anticipated.

[2] Wind shear was forecast to decrease slightly; however, and based on this the NHC gave the system a medium chance of undergoing tropical cyclogenesis during the next two days.

During the afternoon of September 20, an area of low pressure developed within the system, prompting the NHC to classify it as a tropical depression.

However, data from an ASCAT scatterometer pass revealed that the system attained gale-force winds, resulting in the depression being upgraded to a tropical storm on 0000 UTC September 21.

[1] Officials warned rural areas in Baja California Sur of heavy rain and high wind.

[13] Georgette caused the heaviest rains on Baja California Sur in the last 15 years, leaving many people homeless.

The tropical cyclone worsened Mexico's flooding problem which started when Hurricane Karl made landfall several days earlier.