Forming out of an area of low pressure on September 3, the depression hardly intensified as it meandered off the coast of Vietnam.

Initially situated in a favorable environment, convective banding features began to develop and shower and thunderstorm activity formed near the center.

Although the depression did not make landfall, the outer rainbands of the storm led to heavy rainfall throughout central Vietnam, peaking at 430 mm (17 in).

Scattered convection was associated with the system, with the center devoid of showers and thunderstorms, as the low slowly tracked westward in a weak steering environment.

[1] The following day, convection began to form around the center of circulation and weak diffluence was noted around the system due to an anticyclone to the north.

With low wind shear, convective banding features began to develop and the possibility of the system becoming a tropical cyclone increased.

[3] Although the system had a partially exposed low-level circulation center, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert (TCFA) as the depression was likely to intensify as it was situated over high sea surface temperatures and in a favorable environment.

Convective banding had reformed, wind shear had decreased and the cyclone had less interaction with land as it slowly moved further into the South China Sea.

Residents throughout Quảng Trị Province were advised to evacuate to safer areas as numerous landslides threatened homes.