Storm No. 11, level 14 gusts, 390km from Hoang Sa special zone

Forecast map of storm No. 11's trajectory and intensity released at 11:00 a.m. on October 4

Strongest wind: Level 11 (103-117km/h), gust level 14.

Forecast in the next 3 hours, the storm moves west northwest, speed about 25km/hour.

Storm forecast (in the next 24 to 60 hours):

By 10:00 on October 5: The storm is moving west-northwest at a speed of 20-25km/h and is likely to strengthen. The forecast location is around 20.3 degrees north latitude, 110.8 degrees east longitude, in the sea east of Leizhou Peninsula (China). Intensity level 13, gust level 16. The dangerous area is north of latitude 16.5 degrees north and from longitude 109.5 degrees east to 118.5 degrees east.

Level 3 natural disaster risk in the northern East Sea area.

By 10:00 on October 6: The storm is moving west-northwest at a speed of about 20km/h and gradually weakening. Location is about 21.8 degrees north latitude, 107.0 degrees east longitude, on the Vietnam-China border area. Intensity level 8, gust level 10. Dangerous area north of latitude 18 degrees north and east of longitude 113 degrees east. Disaster risk level 3 in the northwest area of the North East Sea, the northern sea of the Gulf of Tonkin and the coastal mainland area from Quang Ninh to Hung Yen .

By 10:00 p.m. on October 6: The storm is moving west-northwest at a speed of 15-20 km/h. Location is at about 22.8 degrees north latitude, 104.8 degrees east longitude, in the northern mountainous region of the North. Intensity below level 6.

Forecasting the impact of storms

In the northern East Sea, there are strong winds of level 8-10, near the storm center level 11-13, gusts of level 16, waves 4-6m high, near the storm center 6-8m, very rough seas (extremely destructive, extremely strong waves, can sink large tonnage ships).

From the afternoon of October 5, the sea area east of the northern Gulf of Tonkin (including Bach Long Vi special zone) has winds gradually increasing to level 6-7, then increasing to level 8-9. From the evening of October 5, the northern Gulf of Tonkin (including Bach Long Vi special zone, Van Don, Co To, Cat Hai and Hon Dau island) has winds gradually increasing to level 8-9, waves 2-4m high, the area near the storm center has winds of level 10-11, gusts of level 14, waves 3-5m high, rough seas (very dangerous for ships).

Storm surge and coastal flood warnings

Coastal areas and islands in Quang Ninh- Hai Phong provinces are likely to experience storm surges of 0.4-0.6m. Flooding should be prevented in low-lying coastal areas and river mouths due to surges combined with large waves from the afternoon and evening of October 5.

Safety warnings at sea and on the coast

The weather during the storm is extremely dangerous, unsafe for any vehicle or structure operating in the danger zone such as: cruise ships, passenger ships, transport ships, rafts, aquaculture areas, dykes, embankments, coastal routes. Vehicles are highly likely to capsize and be destroyed; coastal areas are at risk of flooding due to strong winds, big waves and rising sea levels.

On land

From the night of October 5, coastal areas from Quang Ninh to Hung Yen will have winds gradually increasing to level 6-7, and areas near the storm's eye will have winds of level 8-9 (winds can break tree branches, blow off roofs, damage houses and hinder travel). Inland areas in the northeast will have strong winds of level 4-5, in some places level 6, gusting to level 7-8.

Heavy rain

From the night of October 5 to the end of the night of October 7, in the mountainous and midland areas of the North, there will be heavy rain, with common rainfall of 150-250mm, and locally over 400mm. Warning of the risk of heavy rain (>150mm/3 hours).

In the Northern Delta and Thanh Hoa region, there is moderate to heavy rain, with common rainfall of 70-150mm, and locally over 200mm.

The Hanoi area is unlikely to be directly affected by the storm. It is forecasted that from early morning on October 6 to the end of October 7, there will be moderate to heavy rain, with average rainfall of 70-120mm, and in some places over 150mm.

Thunderstorms, tornadoes

Due to the influence of the wide storm circulation, it is necessary to guard against the risk of thunderstorms, tornadoes and strong gusts of wind both before and during the storm's landfall./.

According to Nhan Dan Newspaper

Source: https://nhandan.vn/bao-so-11-giat-cap-14-cach-dac-khu-hoang-sa-390km-post912890.html

Source: https://baolongan.vn/bao-so-11-giat-cap-14-cach-dac-khu-hoang-sa-390km-a203768.html