Country: Viet Nam Sources: International Federation of Red Cross and Red Crescent Societies, Vietnam Red Cross Society Please refer to the attached file. Description At 07: 00 on 23 August, the centre of Typhoon No. 4 was located at approximately 20. 7°N and 107. 8°E, over the sea area off Quang Ninh–Hai Phong, approximately 100 km east of Quang Ninh, 120 km east of Hai Phong, and 70 km north of Bach Long Vi Special Zone. The strongest winds near the storm centre were at Force 8, with gusts up to Force 10. The typhoon was moving southwest at approximately 3 km/h. As of 10: 00 on 23 August, the centre of Typhoon No. 4 was located over the sea north of Bach Long Vi Special Zone, approximately 135 km east of Quang Ninh and 140 km east of Hai Phong. The storm had maximum sustained winds of Force 8–9, with gusts reaching Force 10–11, and was moving southward at approximately 3 km/h. Rainfall: From 19: 00 on 22 August to 10: 00 on 23 August, rainfall of 50–100 mm was recorded across the Northeast region and Thanh Hoa. Notable rainfall totals included 216 mm in Ha Lang (Cao Bang), 134 mm in Mau Son (Lang Son), 256 mm in Long Dinh (Quang Ninh), 179 mm in Cam Pha (Quang Ninh), and 89 mm in Son Dien (Thanh Hoa). Forecast: From 23–24 August, rainfall of 50–100 mm is forecast in the Northeast, southern Phu Tho and Thanh Hoa, with locally over 200 mm. Lang Son, Bac Ninh, Quang Ninh, Hai Phong, Hung Yen and Ninh Binh are expected to receive 90–180 mm, with locally over 300 mm. River levels: As of 10: 00 on 23 August, water levels on several rivers had exceeded Alert Level 3, including: Luc Nam River at Chu: 13. 67 m, 0. 67 m above Alert Level 3. Thuong River at Cau Son: 16. 52 m, 0. 52 m above Alert Level 3. Thuong River at Huu Lung: 20. 34 m, 1. 34 m above Alert Level 3. Ky Cung River at Lang Son: 256. 23 m, 0. 23 m above Alert Level 3. River levels are continuing to rise. From 23–25 August, flood peaks on the Thuong, Luc Nam, Trung, Ky Cung, Bac Giang, Bang Giang and Cau rivers are forecast at Alert Level 2–3, with some rivers potentially exceeding Alert Level 3. The Thai Binh River at Pha Lai is forecast to reach Alert Level 1–2. Local authorities have proactively implemented response measures for the typhoon, heavy rainfall and flooding, including the evacuation of households in areas at risk of flooding, in line with the directions of the Prime Minister and the National Civil Defence Steering Committee. Due to the circulation of Typhoon No. 4, heavy rainfall has caused water levels in the Luc Nam, Thuong and Ky Cung rivers to rise. From 23–25 August, flood peaks on the Thuong, Luc Nam, Thai Binh (Hai Phong), Trung, Ky Cung, Bac Giang (Lang Son), Bang Giang (Cao Bang) and Cau (Thai Nguyen) rivers are forecast to reach Alert Level 2–3, with some rivers expected to exceed Alert Level 3. To proactively respond to Typhoon No. 4 and the associated heavy rain and flooding, authorities at both central and local levels have implemented coordinated measures in line with the “four on-the-spot” principle, ensuring proactive, timely and context-specific action, with a focus on protecting people’s lives and property. To ensure the safety of people and their property, local authorities have evacuated 2, 383 households, including 2, 335 households in Lang Son (211 in Huu Lung and 2, 124 in Ky Cung, of which 733 flooded households were evacuated), 31 households in Quang Ninh, 17 households in Bac Ninh, and 121 households in Thanh Hoa. Forces have also been deployed to guard and control people and vehicles in areas at risk of deep flooding and landslides, helping to minimise damage caused by the heavy rain, flooding and Typhoon No. 4. As of 07: 00 on 23 August 2026, preliminary damage reported in Lang Son, Quang Ninh and Bac Ninh provinces due to Typhoon No. 4 and heavy rainfall is as follows: Casualties: 1 person died — Mr. Duong Phuc Hinh, born in 1999 and residing in Thai Binh Commune, Lang Son Province — due to a landslide hitting his house. Housing: 200 houses were damaged or had their roofs blown off; 733 houses were flooded in Lang Son. Agriculture and forestry: 2, 864 hectares of crops were inundated or damaged, including 1, 100 ha in Lang Son, 1, 687 ha in Bac Ninh and 78 ha in Quang Ninh. Livestock: 100 livestock and 6, 000 poultry died in Lang Son. Transport: 603 locations experienced landslides or flooding causing traffic disruption, including 600 in Lang Son and 3 in Bac Ninh. Local authorities are continuing to assess, verify and consolidate the damage. Request For Assistance Government Requests International Assistance: No NS Requests International Assistance: No Information Bulletin Published No Actions taken by Federation General Damage/Needs assessment Summary • The IFRC Bangkok Country Cluster Delegation is closely monitoring the development of Typhoon No. 4 (Narra) and its potential impacts. • IFRC is maintaining close coordination with the Vietnam Red Cross (VNRC) to support preparedness and response efforts. • Technical and coordination support is being provided to VNRC to strengthen readiness for possible humanitarian impacts. • IFRC is supporting: • Continuous monitoring of the evolving situation. • Risk analysis and assessment of potential impacts. • Response planning and preparedness activities. • IFRC is also facilitating access to relevant preparedness and emergency response mechanisms should the situation escalate. • Coordination between IFRC and VNRC remains ongoing to ensure timely decision-making, effective preparedness measures, and readiness for a potential response operation. Actions taken by National Society General Damage/Needs assessment Summary The Viet Nam Red Cross Society (VNRC) has activated its National Disaster Response Team (NDRT) to monitor the situation and support the response to Typhoon No. 4 and the associated heavy rain and flooding. VNRC is also coordinating with domestic and international partners to share information, facilitate coordination and mobilise support as needed. At the local level, Red Cross branches are supporting local authorities in providing assistance to affected communities and households, particularly those impacted by flooding and the evacuation process. VNRC continues to closely monitor the situation and assess emerging needs to inform further response actions. Actions taken by others The Prime Minister issued Official Telegram No. 57/CĐ-TTg on 21 August 2026 and Official Telegram No. 54/CĐ-TTg on 17 August 2026, requesting the Chairpersons of the People’s Committees of provinces and centrally governed cities in the Northern region, from Thanh Hoa to Quang Tri, as well as relevant ministries and sectors, to proactively respond to natural disasters and the risks of heavy rainfall, flash floods and landslides, while focusing on recovery efforts following the floods. On 22 August 2026, the National Civil Defence Steering Committee issued Official Telegram No. 46/BCĐ-BNNMT on proactive response to heavy rain and flooding. On 21 August 2026, it issued Official Telegrams No. 44/BCĐ-BNNMT and No. 45/CĐ-BNNMT-ĐĐ, directing response measures to the tropical depression in the East Sea, Typhoon No. 4, and the associated heavy rain and flooding. The Ministries of National Defence, Public Security, Construction, Education and Training, Science and Technology, and Industry and Trade also issued official telegrams requesting their respective agencies and units to remain on standby and be prepared to respond to the typhoon, tropical depression, heavy rainfall, floods, inundation, flash floods and landslides in the Northern region and from Thanh Hoa to Ha Tinh. On 22 August 2026, the Ministry of Agriculture and Environment issued Official Telegram No. 9680/CĐ-BNNMT ordering the closure of one bottom outlet gate of the Hoa Binh Hydropower Reservoir at 16: 00 on 22 August 2026. The Ministry also issued Document No. 9681/BNNMT-ĐĐ to the provinces/cities of Phu Tho, Hanoi, Bac Ninh, Hai Phong, Hung Yen and Ninh Binh regarding downstream safety during the operation of the Hoa Binh Hydropower Reservoir. On the same day, the Department of Dyke Management and Disaster Prevention and Control issued Document No. 1588/ĐĐ-QLĐĐ to the Departments of Agriculture and Environment of Bac Ninh, Thai Nguyen and Thanh Hoa, requesting urgent measures to ensure dyke safety and respond to flooding on the Thuong, Luc Nam, Cau and Buoi rivers. The Department also deployed two response teams for Typhoon No. 4 in Quang Ninh and to inspect the Thuong and Luc Nam river dyke systems in Bac Ninh. In coordination with Zalo Vietnam, the Department sent two rounds of safety messages to 11. 6 million mobile subscribers in Son La, Phu Tho, Thai Nguyen, Cao Bang, Lang Son, Quang Ninh, Bac Ninh and Thanh Hoa, as well as coastal communes in the four provinces of Quang Ninh, Hai Phong, Hung Yen and Ninh Binh. The 24/7 disaster monitoring and duty system has been maintained, with authorities closely monitoring weather, disaster and dyke conditions and promptly disseminating forecasts and warnings to local authorities to support decision-making, coordination and response. At the local level, Bac Ninh, Lang Son and Quang Ninh provinces have deployed field teams to inspect preparedness and response measures for Typhoon No. 4 and the associated heavy rain and flooding, while mobilising local resources to provide timely assistance to affected households. Local authorities have issued official telegrams and directives on responding to Typhoon No. 4 and heavy rainfall, maintained duty shifts, and proactively monitored weather developments and forecasts/warnings.
Viet Nam: VNM: Cyclone – 08-2026 – Typhoon Narra #2 (2026-08-23)
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