Lao Cai is among 6 provinces and cities forecast to have heavy rain due to the direct circulation of storm No. 7.

Weather forecast, the low pressure area of ​​storm No. 7 when weakening can cause rain in the provinces of Quang Ninh, Lang Son, Cao Bang, Thai Nguyen, Tuyen Quang, Lao Cai.

Forecast of storm movement and intensity at 8:00 a.m. on September 7, 2025. Photo: National Center for Hydro-Meteorological Forecasting

Weather forecast: Storm No. 7 may cause rain in the northern mountainous provinces

According to weather forecast information from the National Center for Hydro-Meteorological Forecasting, on the morning of September 7, the center of storm No. 7 was in the northern sea of ​​the North East Sea, with the strongest wind speed of 88 km/h, level 8-9, gusting to level 11, and moving west-northwest at a speed of 10 km/h.

At 4:00 a.m. on September 8, the storm's center was in the sea south of Guangdong province (China), with the strongest wind at level 10, gusting to 13. The storm then turned northwest and entered mainland China at a speed of 10 - 15 km/h.

The Japan Meteorological Agency today raised its forecast that the storm will reach a maximum speed of 90 km/h before entering Guangdong province, then move towards the mountainous provinces of Vietnam and weaken.

Hong Kong Meteorological Station forecasts that the storm could strengthen to 110 km/h, and the low pressure area, when weakened, could cause rain in the provinces of Quang Ninh, Lang Son, Cao Bang , Thai Nguyen, Tuyen Quang, and Lao Cai.

According to the National Center for Hydro-Meteorological Forecasting, storm No. 7 formed on the tropical convergence zone, forming in the northern part of the East Sea, however, the forming point is quite high, in the northern part of the North East Sea and the direction of movement is much more to the north.

Making landfall in China, the storm will quickly weaken into a low pressure area and drift westward towards Vietnam.

According to the National Center for Hydro-Meteorological Forecasting, this will be a very special and irregular storm.

The storm formation point is quite high, the northern area of ​​the North East Sea and the direction of movement is much more northerly, entering China. Meanwhile, according to the usual rule, this time of year is the time when storms often affect the North or North Central of our country.

It is likely that from the afternoon and night of September 9 to 11, the post-storm circulation will cause widespread heavy rain in the North, focusing on the midlands and mountainous areas of the Northeast.

Due to the influence of the storm, the northern sea of ​​the North East Sea has strong winds of level 7-8, near the center of the storm, strong winds of level 9-10, gusts of level 13; waves 3-5 m high. Ships operating in these dangerous areas are likely to be affected.

Weather forecast for regions from the night of September 8 to September 16, the meteorological agency said that the North and Thanh Hoa will have widespread showers and thunderstorms in some places.

In particular, from September 9 to 11, the post-storm circulation of storm No. 7 is likely to cause widespread heavy rain in the North, focusing on the midlands and mountainous areas of the Northeast, with locally very heavy rain.

From Nghe An to Ha Tinh provinces, there will be scattered showers and thunderstorms. On the night of September 9-11, there will be scattered showers and thunderstorms, with heavy to very heavy rain in some places.

The Central Highlands and the South maintain the weather pattern of scattered showers and thunderstorms in the late afternoon and evening, locally heavy rain. Other areas have scattered showers and thunderstorms in the late afternoon and evening. During thunderstorms, extreme weather phenomena such as tornadoes, lightning, hail and strong gusts of wind may occur.

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Source: https://baolaocai.vn/lao-cai-nam-trong-6-tinh-thanh-du-bao-co-mua-lon-do-hoan-luu-truc-tiep-cua-bao-so-7-post881516.html