Humberto was the ninth tropical cyclone in the 2019 Atlantic Hurricane Season. On 12 September it developed as a tropical depression over Bahamas Central1 at a distance of
approximately 350 km (217 mi) from the Turks and Caicos Islands. These islands were marginally affected by tropical-storm-force winds. In the following days, Humberto
strengthened gradually, moving northwest and on 14 September it became a tropical storm.