Last night and this morning, September 17, Hanoi city was cloudy, with heavy to very heavy rain and thunderstorms.
According to the Northern Hydrometeorological Station, rainfall from 7:00 AM on September 16 to 7:00 AM on September 17 was commonly from 50 - 100mm, especially in the inner city area 100 - 150mm. Some places are larger such as Tu Liem 172.9mm, Dan Phuong 171.4mm, Phu Dien 166.3mm, Dai Thanh 152.1mm.
Due to the influence of the Southeast wind zone developing from the ground up to 5,000m over the Northern region, Hanoi will continue to have rain.
Today and tonight (September 17), Hanoi city will have moderate rain, heavy rain, in some places very heavy rain and scattered thunderstorms, common rainfall from 40 - 70mm, in some places over 100mm.

Wards/communes such as Ba Dinh, Lang, Hoan Kiem, Thanh Xuan, Ha Dong, Hoai Duc, Hoang Mai, Tu Liem, Thuong Cat, Gia Lam, Bat Bat, Ba Vi, Son Tay, Phu Xuyen, Van Dinh, Hoa Lac, Xuan Mai, Thanh Tri, Thanh Oai, Quoc Oai, Chuong My have common rainfall of 40 - 70mm.
Soc Son, Me Linh, and Dong Anh communes have common rainfall of 30 - 50mm.

Tomorrow and tomorrow night (September 18), Hanoi will have rain, locally moderate rain, heavy rain, common rainfall from 15 - 30mm, in some places over 50mm.
In thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
On September 19th day and night, Hanoi city will have scattered showers and thunderstorms in some places. Common rainfall is from 5 - 15mm.
From September 20th, Hanoi will have showers and thunderstorms in some places.
Warning level of natural disaster risk due to heavy rain is level 1. In thunderstorms, there may be tornadoes, lightning and strong gusts of wind that break down trees, damage houses, traffic works and infrastructure.
Heavy rain in a short period of time can overload the urban drainage system, causing flooding in residential areas, urban areas, low-lying areas, traffic jams due to road flooding and reduced visibility when driving, causing slipperiness and traffic accidents; there is a risk of landslides in mountainous areas.
