The latest update from the National Center for Hydro-Meteorological Forecasting, due to the impact of storm No. 11 Matmo, at Bach Long Vi station, there were strong winds of level 8, gusting to level 9; Co To station had strong winds of level 6, gusting to level 8; the coastal areas of Quang Ninh - Hai Phong had gusts of level 6-7.
At 4:00 a.m. on October 6, the center of the storm was at about 22 degrees north latitude; 107.6 degrees east longitude, in the area south of Guangxi province (China). The strongest wind near the storm center is level 8 (62-74 km/h), gusting to level 10. The storm is moving west-northwest at a speed of about 20 km/h.
It is forecasted that in the next 12 hours, the storm will continue to move west-northwest, at a speed of about 20 km/h and gradually weaken into a low pressure area.
At 4:00 p.m. on October 6, the center of the low pressure area was at about 22.4 degrees north latitude; 105.4 degrees east longitude, in the mountainous areas of the North. Wind intensity below level 6.
The danger zone is north of latitude 20 degrees north; west of longitude 109.5 degrees east. The natural disaster risk level is level 3 for the northern area of the Gulf of Tonkin and the mainland of Quang Ninh and Lang Son provinces.
Regarding the impact of the storm at sea, the northern area of the Gulf of Tonkin (including the special areas of Bach Long Vi, Van Don, Co To) will have strong winds of level 6-7, gusts of level 8-9; waves 2-3 m high; rough seas, dangerous for operating ships.
On land, Quang Ninh and Lang Son areas have strong winds of level 6, some places have level 7, gusting to level 9; Trees shake strongly, moving back to the wind is difficult.
Regarding heavy rain, from early morning of October 6 to the end of the night of October 7, the mountainous and midland areas of the North will have heavy rain, with common rainfall of 100-200 mm, locally very heavy rain over 300 mm. Warning of the risk of heavy rain (rainfall greater than 150 mm/3 hours).
The Northern Delta and Thanh Hoa have moderate rain, heavy rain 50-150 mm, locally very heavy rain over 200 mm.
The Hanoi area is less likely to be affected by storms, but beware of thunderstorms, whirlwinds and strong gusts of wind. It is forecasted that from the morning of October 6 to the end of October 7, there will be moderate rain, heavy rain, common rainfall of 50-100 mm, locally over 150 mm.
Due to the influence of the storm's circulation, it is necessary to be on guard against the risk of thunderstorms, tornadoes and strong gusts of wind both during and after the storm weakens.
