A tropical depression that made landfall in Quang Tri in the afternoon of September 13 has caused significant rainfall, with totals reaching up to 480 mm, leading to the flooding of 409 homes in the area. As the weather system continues to move inland, heavy rains are projected to extend into Northern Vietnam starting September 14.

On the afternoon of September 13, strong winds were reported in Con Co Island, reaching levels of 6-7, with gusts up to 8. In Dong Hoi (Quang Tri) and Ky Anh (Ha Tinh), wind speeds were recorded at level 6, with gusts also reaching level 8. The National Center for Hydro-Meteorological Forecasting indicated that the tropical depression would continue to move deeper into the land, crossing into Central Laos, where it is expected to weaken and dissipate.

According to the Department of Dyke Management and Flood Prevention, by 5 PM on September 13, the heavy rains had damaged nine houses, with five in Quang Tri and four in Hue. Authorities have evacuated 694 households to safety, including 645 in Quang Tri, 44 in Da Nang, and five in Hue. The flooding has also caused blockages at five locations on national and provincial roads, including National Road 15D and Provincial Road 588A in Quang Tri, as well as Provincial Road 17B in Hue.

Moreover, 48 locations of bridges, culverts, and inter-village roads have been submerged by 0.2 to 0.8 meters, with some areas exceeding one meter, leading to localized isolation. Quang Tri has 36 affected locations, while Hue has 12. Water levels in rivers in Quang Tri continue to rise, with the downstream section of the Kien Giang River at warning level one and the Thach Hanh River approximately 0.1 meters below warning level three.

In Hue, the Bo River and Huong River are at warning level one, while water levels in rivers in Da Nang are gradually decreasing. Meteorological agencies have warned that 114 communes and wards are at risk of flash floods and landslides tonight, with Quang Tri having 52 units at risk, Da Nang 25, Hue 21, and Ha Tinh 16.

From now until September 16, the Thach Hanh River could exceed warning level three by about 0.5 meters, while the downstream section of the Kien Giang River may surpass warning level two. The Ngàn Sâu and Ngàn Phố rivers in Ha Tinh are expected to reach warning levels two to three, with other rivers generally at warning levels one to two, with some areas higher.

The focus of heavy rainfall is gradually shifting northward. From the evening of September 13 to September 15, Nghệ An and northern Quang Tri, which includes the former Quang Binh province, are forecasted to receive 200-400 mm of rain, with some areas exceeding 500 mm. Thanh Hoa and southern Quang Tri, which includes the former Quang Tri province, are expected to see rainfall of 150-300 mm, with some areas over 400 mm. From early morning on September 14 until the end of September 16, heavy rain will spread to the midlands and lowlands of Northern Vietnam, generally receiving 100-250 mm, with some areas exceeding 300 mm.