Storm No. 11 is likely to hit Quang Ninh, Hanoi and the Northeast with very heavy rain.

Storm No. 11 Matmo is forecast to enter the area between Quang Ninh and Guangxi Province (China). Hanoi area from the morning of October 6-7 will have moderate rain, heavy rain, some places will have very heavy rain, common rainfall of 70-120mm, some places over 150mm.

On October 4, Director of the Department of Hydrometeorology Nguyen Thuong Hien chaired an online meeting on forecasting storm No. 11 (Matmo).

At the meeting, Mr. Nguyen Van Huong, Head of Weather Forecast Department, National Center for Hydro-Meteorological Forecasting reported and analyzed forecasts and early warnings about this storm.

Accordingly, due to the influence of storm No. 11 Matmo, from 7:00 p.m. tomorrow (October 5) to 7:00 p.m. on October 6, heavy rain will be concentrated in the Northeast, especially Quang Ninh, Cao Bang , Lang Son, Thai Nguyen, northern Tuyen Quang and Lao Cai. From 7:00 p.m. on October 6 to 7:00 p.m. on October 7, the rain center will narrow and quickly move to the West.

Specifically, 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, locally over 400mm, warning of the risk of rain with intensity greater than 150mm within 3 hours.

In the Northern Delta and Thanh Hoa, there will be moderate to heavy rain, with rainfall ranging from 70-150mm, with some places exceeding 200mm. Hanoi is unlikely to be directly affected by storms. It is forecasted that from early morning on October 6 to the end of October 7, there will be moderate to heavy rain, with rainfall ranging from 70-120mm, with some places exceeding 150mm.

Storm No. 11 will cause heavy rain in the North.

The meteorological agency warned that heavy rain in a short period of time would overload the drainage system, causing flooding in residential areas, urban areas and low-lying areas, traffic jams due to flooded roads and reduced visibility when driving, causing slippery roads and traffic accidents.

Regarding the developments of storm No. 11 Matmo, the meteorological agency said that as of noon today, the center of the storm was about 370km east-northeast of Hoang Sa special zone. The strongest wind near the center of the storm was level 11 (103-117km/h), gusting to level 14.

In the next 24 hours, the storm will continue to move west-northwest at a speed of about 20-25km/h and is likely to intensify. By 10am tomorrow morning, the storm's center will be in the sea east of Leizhou Peninsula (China); intensity level 13, gust level 16.

According to forecasts, after entering the Leizhou Peninsula (China), storm No. 11 will continue to move in the same direction and may weaken in intensity. After that, the storm is likely to enter the Northeast region in the early morning of October 6.

At 10:00 a.m. on October 6, the center of the storm was located on the Vietnam-China border area; intensity level 8, gust level 10. Disaster risk level 3 in the Northwest area of ​​the North East Sea, the sea area of ​​the North Gulf of Tonkin and the coastal mainland area from Quang Ninh to Hung Yen . At 10:00 p.m. the same day, the storm in the northern mountainous area of ​​the North, the intensity decreased to below level 6.

Due to the impact of storm No. 11, 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, cause damage to houses and hinder movement). Inland areas in the Northeast will have strong winds of level 4-5, in some places level 6, gusting to level 7-8.

At the same time, coastal areas and islands in Quang Ninh - Hai Phong provinces will have storm surges of 0.4-0.6m. Beware of flooding in low-lying coastal areas and river mouths due to surges and big waves from the afternoon and evening of October 5.

At sea, in the North East Sea area, 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 the same day, the Northern Gulf of Tonkin area (including Bach Long Vi, Van Don, Co To, Cat Hai and Hon Dau islands) will have stronger winds of level 8-9, waves of 2-4m high, areas near the storm's eye will have winds of level 10-11, gusts of level 14, waves of 3-5m high, and rough seas (very dangerous for ships).

The meteorological agency especially warned that 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.

After listening to the reports and discussions from the units, Director Nguyen Thuong Hien requested the units to clarify issues such as the expected location of the storm, the scope of impact of the storm and thunderstorms; requesting central and local forecasting units to mobilize 200% of their forces to be ready for monitoring; coordinate with press and media agencies to strengthen propaganda and forecasting warnings about storm No. 11.

Source: https://cand.com.vn/Xa-hoi/bao-so-11-co-kha-nang-vao-quang-ninh-ha-noi-va-dong-bac-bo-mua-rat-to--i783547/