Forecast for 4 PM on September 7: The center of super typhoon Yagi will make landfall from Quang Ninh to Nam Dinh, with a strong intensity of level 10-11, gusts reaching level 14.
The National Center for Hydro-Meteorological Forecasting reported that at 5 PM on September 5, the typhoon's center was located at approximately 19.3 degrees North latitude and 114.6 degrees East longitude, about 387 km from Hainan Island, China.
The strongest winds were recorded at level 16 (184-201 km/h), with gusts over level 17.
In the next three hours, the typhoon is expected to move west-northwest at a speed of 10-15 km/h.
By 4 PM on September 6, the center of super typhoon Yagi will be in the northeastern waters of Hainan Island, China, about 450 km southeast of Quang Ninh. The storm's intensity is forecasted to be level 16, with gusts over level 17, moving west-northwest at 15 km/h.
By 4 PM on September 7, the center of super typhoon Yagi will make landfall from Quang Ninh to Nam Dinh. The storm's intensity is expected to weaken to level 10-11, with gusts of level 14, moving west-northwest at 20 km/h, and gradually weakening.
The following day, the storm's center will be over the northwest region of northern Vietnam, with a weakened intensity of level 6, moving at about 20 km/h and gradually dissipating into a low-pressure zone.
Typhoon Yagi's Landfall with Intensity of Level 11, Gusts of Level 14
Sea Conditions:
Due to the influence of the super typhoon, the northern part of the East Sea will experience strong winds of level 11-14, with the area near the storm's center reaching level 15-16, and gusts over level 17. The sea will be extremely rough.
In the waters east of the Gulf of Tonkin (including Bach Long Vi Island), wind speeds will gradually increase to levels 6-7 by noon on September 6.
From the evening and night of September 6, the Gulf of Tonkin (including Bach Long Vi and Co To islands) will experience winds gradually strengthening to levels 8-9, then increasing to levels 10-12. Near the storm's center, winds will reach levels 13-14, with gusts of level 17, and the sea will be extremely rough.
On Land:
From the night of September 6 to the morning of September 7, coastal areas from Quang Ninh to Thanh Hoa will experience increasing winds of levels 6-7, with further increases to levels 8-9. Near the storm's center, winds will reach levels 10-12, with gusts of level 14. In the inland areas of northeastern Vietnam, winds will reach levels 6-8, with gusts of levels 9-11 (the strongest winds are expected from noon to the evening of September 7).
The northern part of the East Sea will experience waves of 7-9 meters high, with areas near the storm's center reaching 10-12 meters, and the sea will be extremely rough.
From the night of September 6 to the morning of September 7, coastal areas from Quang Ninh to Thanh Hoa will see waves rising to 2-4 meters, with areas near the storm's center experiencing waves of 3-5 meters.
Coastal Flooding:
Coastal provinces from Thanh Hoa to Quang Ninh should be cautious of storm surges of 0.5 to 1.8 meters. In particular, Quang Ninh should prepare for surges of 1.5 to 1.8 meters, Hai Phong and Thai Binh for 1.2 to 1.5 meters, Nam Dinh and Ninh Binh for 0.8 to 1.2 meters, and Thanh Hoa for 0.5 to 1 meter.
From the night of September 6 to the morning of September 9, northern Vietnam and Thanh Hoa may experience heavy rains, with localized areas seeing very heavy rains and thunderstorms, with total rainfall ranging from 100 to 350 mm, and in some places exceeding 500 mm.
The heaviest rains in northeastern Vietnam are expected on the day and night of September 7, while northwestern Vietnam will experience heavy rains from the night of September 7 to the night of September 8.
Heavy rainfall may lead to flooding in low-lying areas, flash floods in small rivers and streams, and landslides on steep slopes.