Passing over warm waters, Bavi turned to northwest and reached its peak intensity near Jeju Island on August 26.

On August 19, the JTWC began monitoring a broad area of low pressure situated a couple hundred miles northeast of the Philippine archipelago.

[2] By the next day the system had intensified into a tropical storm, and the JMA gave it the name Bavi and upgraded it, with the JTWC doing the same.

[3] Favorable conditions allowed Bavi to rapidly intensify, and by 12:00 UTC on August 22, the system became a severe tropical storm.

[6] Both the JMA and the JTWC issued their final advisory on Bavi a few hours later as it became an extratropical cyclone over Northeastern China.

[12] Despite a close pass to mainland South Korea, damage was minimal, consisting mostly of power outages, broken windows, and downed trees.

[15] North Korean leader Kim Jong-un held a high-level political conference where he voiced his concerns about Typhoon Bavi and the COVID-19 pandemic.

[18] In an unusual step, Korean Central Television remained on the air overnight on 27 August as the typhoon impacted the country, interrupting programs every 30 minutes with updates from the State Hydro-Meteorological Administration.

It later broadcast images of storm damage, as well as field reports from correspondents in Pyongyang and Nampo—a major divergence from the strict format and content of all other KCTV news bulletins, where the activities of Kim Jong-un take precedence.