LATEST STORM NEWS (Storm No. 10): At 7:00 AM on September 27th, the storm's center was located at approximately 14.1°N; 115.8°E, about 480km east-southeast of the Hoang Sa Special Administrative Region.
At 7:00 AM on September 27th, the typhoon's center was located at approximately 14.1°N; 115.8°E, about 480km east-southeast of the Hoang Sa Special Administrative Region. It was moving west-northwest at a speed of about 35km/h.
This is a very fast-moving storm (almost twice the average speed), with strong intensity and a wide area of impact, potentially causing a combination of effects: strong winds, heavy rain, floods, flash floods, landslides, and coastal flooding. The strongest winds near the storm's center are at level 11-12 (103-133 km/h), with gusts up to level 15.
Forecast of storm developments (next 24–60 hours):
7:00 AM on September 28th:
• Location: 16.7°N – 109.3°E, in the sea area south of Quang Tri – Quang Ngai, approximately 130km east-northeast of Da Nang.
• Movement: West-Northwest, 30-35 km/h, with the possibility of strengthening.
• Intensity: Level 12-13, gusts up to level 16.
• Hazard zone: 12.0°N–19.0°N; west of longitude 119.0°E.
• Level of natural disaster risk: Level 3.
• Affected areas: Northern and Central South China Sea (including the Paracel Islands); the sea area from Ha Tinh to Quang Ngai.
7 PM on September 28th:
• Location: 17.7°N – 107.2°E, in the sea area from Nghe An to Hue.
• Travel: West-Northwest, 20-25 km/h.
• Intensity: Level 12-13, gusts up to level 16.
• Hazardous zone: North of latitude 14.0°N; west of longitude 112.5°E.
• Level of natural disaster risk: Level 3.
• Affected areas: the northwestern part of the South China Sea (including the Paracel Islands), the northwestern part of the central South China Sea, from Thanh Hoa to Quang Ngai (Hon Ngu, Con Co, Ly Son), the northern part of the Gulf of Tonkin (Bach Long Vy, Van Don, Co To, Cat Hai, Hon Dau); and on land from Ninh Binh to Hue.
7:00 AM on September 29th:
• Location: 18.8°N – 105.0°E, on the mainland of Nghe An – Ha Tinh provinces.
• Movement: West-northwest, 20-25 km/h, weakening into a tropical depression.
• Intensity: Level 8, gusts up to level 10.
• Hazardous zone: North of latitude 15.0°N; west of longitude 110.5°E.
• Level of natural disaster risk: Level 3.
• Affected areas: the northwestern part of the South China Sea (including the Paracel Islands), from Thanh Hoa to Quang Ngai (Hon Ngu, Con Co, Ly Son), the northern part of the Gulf of Tonkin (Bach Long Vy, Van Don, Co To, Cat Hai, Hon Dau); and on land from Ninh Binh to Hue.
7 PM on September 29th:
• Location: 20.0°N – 102.9°E, over Upper Laos.
• Movement: West-northwest, 20-25 km/h, gradually weakening into a low-pressure area.
• Intensity: below level 6.
• Hazardous zone: North of latitude 17.0°N; west of longitude 108.0°E.
• Level of natural disaster risk: Level 3.
• Affected areas: the sea area from Thanh Hoa to northern Quang Tri (Hon Ngu, Con Co) and the northern Gulf of Tonkin (Bach Long Vy, Van Don, Co To, Cat Hai, Hon Dau); and the mainland area from Ninh Binh to northern Quang Tri.
Forecast of storm impacts
At sea:
• Northern and Central South China Sea (including the Paracel Islands): winds 8-9; near the storm center 10-13, gusts up to 16; waves 6.0–10.0m; extremely rough seas.
• On the evening of September 27th, the sea area of Thanh Hoa - Quang Ngai (Hon Ngu, Con Co, Ly Son): wind 6-7, gusts 8-9, waves 3.0–5.0m; near dawn on September 28th, winds increase to 8-9, near the center of the storm 10-13, gusts 16; waves 5.0–7.0m; extremely rough seas.
• Near dawn on September 28th, Northern Gulf of Tonkin (Bach Long Vy, Van Don, Co To, Cat Hai, Hon Dau): wind 6-7, later strengthening to 8-9, gusts up to 11; waves 3.0–5.0m; very rough seas.
Storm surge:
• Coastal areas and islands from Ninh Binh to Ha Tinh: 1.0–2.0m; specifically in Thanh Hoa and Nghe An: 1.5–2.0m.
• Risk of flooding along dikes, coastal roads, and river mouths during the evening and night of September 28th.
On land:
• From the afternoon of September 28th, Thanh Hoa - Northern Quang Tri: wind speed 6-7, increasing to 8-9, near the storm center 10-12, gusts up to 14 (dangerous, may cause trees, power poles, and houses to fall).
• Quang Ninh – Ninh Binh and Southern Quang Tri – Hue: wind 6-7, gusts 8-9.
Heavy rain:
• From the night of September 27–30: Northern Vietnam and Thanh Hoa – Hue will receive 100–300mm of rain, with localized areas receiving over 400mm.
• Specifically in the Northern Delta and Thanh Hoa - Quang Tri provinces: 200–400mm, with localized areas exceeding 600mm.
