• I. DEVELOPMENTS

   

• -On the morning of August 27, the low-pressure area over the northeastern East Sea (South China Sea) intensified into a tropical depression. At 10:00, the center of the tropical depression was located at approximately 17.7°N latitude and 119.0°E longitude. The maximum sustained winds near the center reached level 6 (39–49 km/h), with gusts up to level 8. The system was moving west-southwestward at 10–15 km/h.

• -On the morning of August 30, the tropical depression over the northwestern East Sea intensified into a tropical storm – Storm No. 6 (international name: Nongfa). At 07:00, the storm center was located at approximately 17.7°N latitude and 108.4°E longitude, over the waters of Ha Tinh–Hue, about 210 km east of northern Quang Tri. The maximum sustained winds near the center reached level 8 (62–74 km/h), with gusts up to level 10. The storm was moving west-northwestward at around 20 km/h.

• -In the afternoon of August 30, after making landfall over Ha Tinh–Quang Tri, Storm No. 6 weakened into a tropical depression. At 16:00, the tropical depression center was located at approximately 18.1°N latitude and 106.1°E longitude, inland over Ha Tinh–northern Quang Tri. The maximum sustained winds near the center decreased to level 6–7 (39–61 km/h), with gusts up to level 9. The system was moving westward at 20–25 km/h.

• -By the evening of August 30, the tropical depression further weakened into a low-pressure area over central Laos. At 22:00, the center was located near 18.1°N latitude and 104.3°E longitude. The maximum sustained winds at the center dropped below level 6 (less than 39 km/h).

II. DIRECTIVE AND RESPONSE MEASURES

• -The Ministry of Agriculture and Environment issued official directives, including: Official Telegram No. 6215/CĐ-BNNMT (August 29, 2025) to the People’s Committees of northern provinces and coastal localities from Quang Ninh to Khanh Hoa, requesting preparedness and response to the tropical depression in the East Sea, which was forecast to intensify into a storm and bring heavy rainfall in the following days; and Official Dispatch No. 6243/BNNMT-ĐĐ (August 29, 2025) urging urgent calls for fishing vessels operating in the northern East Sea and Hoang Sa Archipelago to take shelter.

• -Local authorities implemented response measures to the tropical depression in the East Sea and heavy rainfall, following directives from the Ministry of Agriculture and Environment. Fourteen provinces and cities in northern and coastal areas from Quang Ninh to Khanh Hoa issued official telegrams and dispatches to deploy preparedness and response activities for the tropical depression/storm and heavy rainfall. These included maintaining emergency duty shifts, closely monitoring forecasts and warnings, calling vessels to move out of hazardous areas along the track of the tropical depression/storm, and implementing readiness measures for potential flooding. In particular, Hanoi deployed measures to cope with heavy rainfall and flooding to ensure safety during the A80 anniversary events.