Accordingly, on the morning of September 25th, after entering the waters off Quang Ninh province, Typhoon No. 9 weakened into a tropical depression.
Due to the influence of the circulation of typhoon No. 9, strong winds of level 7, gusting to level 8, and waves 2m high were recorded in Bach Long Vi special zone ( Hai Phong ); Quang Ha (Quang Ninh) experienced strong winds of level 6, gusting to level 8; Cua Ong (Quang Ninh) had strong winds of level 6; Mong Cai (Quang Ninh), Phu Lien (Hai Phong), Van Ly (Ninh Binh) and Vu Ninh (Hung Yen) experienced wind gusts of level 6.
At 10:00 AM, the center of the tropical depression was located at approximately 21.5 degrees North latitude and 108.4 degrees East longitude, over the sea off Quang Ninh province. The strongest winds near the center of the tropical depression were at level 7 (50-61 km/h), with gusts up to level 9. It was moving westward at a speed of 15-20 km/h.
Forecasts indicate that by 10 PM on September 25th, the tropical depression over land in the Northeast region will have wind speeds below level 6; moving westward at a speed of approximately 20 km/h, gradually weakening into a low-pressure area. The affected area will be over land in the Northeast region. The level of natural disaster risk is level 3.
Due to the impact of the tropical depression, the northern part of the Gulf of Tonkin (including the Bach Long Vy, Van Don, Co To, Cat Hai special zones and Hon Dau island) will experience strong winds of force 6-7, gusting to force 9, with waves 2-3 meters high; the sea will be rough.
Ships, boats, and aquaculture farms in the aforementioned hazardous zone are all severely affected by strong winds and high waves.
On land, coastal areas from Quang Ninh to Hai Phong will experience strong winds of level 6, with some areas reaching level 7, gusting to levels 8-9; inland areas in the Northeast will experience strong gusts of wind at levels 6-7.
From the afternoon of September 25th to the end of the night of September 26th , heavy rain, and in some places very heavy rain, is expected in the Northern region, Thanh Hoa, and Nghe An provinces . Rainfall amounts will generally range from 80-180mm, with some areas receiving over 300mm. Be prepared for heavy rainfall causing urban flooding.
From September 25th to 27th, a flood is likely to occur on rivers in the Northern region, Thanh Hoa, and Nghe An. Flood peaks on the Thao River, Lo River, upper reaches of the Thai Binh River, Hoang Long River, Buoi River, and upper reaches of the Ma River will reach alarm level 1-2, with some rivers exceeding alarm level 2.
Heavy rains are likely to cause flooding in low-lying areas; flash floods on small rivers and streams, and landslides on slopes.
Source: https://www.sggp.org.vn/bao-so-9-suy-yeu-thanh-ap-thap-nhiet-doi-gay-gio-manh-o-hai-phong-quang-ninh-ninh-binh-va-hung-yen-post814662.html






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