According to the Northern Hydrometeorological Station, in the past 24 hours, Hanoi has had scattered rain, showers and thunderstorms. Rainfall from 7pm on August 23 to 7pm on August 24 was generally from 5 - 15mm, some places were larger such as Bat Bat 43.2mm; Huong Son 36mm; Ung Hoa 25.6mm; Soc Son 25.4mm, Phuong Duc 24.8mm; Co Do 24.4mm; Quang Oai 23mm.
Due to the influence of the northern edge of the tropical convergence zone with an axis through the North Central region connecting with storm No. 5, the axis will gradually increase to the north, then be affected by the circulation of storm No. 5, Hanoi city will have scattered rain, showers and thunderstorms tonight.
From early tomorrow morning (August 25-) to the morning of August 26, Hanoi will have moderate rain, heavy rain, some places will have very heavy rain and thunderstorms. Rainfall is generally from 50 - 150mm, in some places over 200mm.
In the afternoon and night of August 26, Hanoi will have rain, moderate rain, some places will have heavy rain and thunderstorms.
On the day and night of August 27, Hanoi will have rain, showers and thunderstorms, with common rainfall of 10 - 20mm, some places will have more.

The meteorological agency warns that there is a possibility of tornadoes, lightning and strong gusts of wind during thunderstorms. The warning level of natural disaster risk due to heavy rain is level 1.
Regarding the impact of heavy rain, thunderstorms can be accompanied by tornadoes, lightning and strong gusts of wind that break trees, damage houses, traffic works and infrastructure.
Heavy rain overloaded the urban drainage system, causing flooding in residential areas, urban areas and low-lying areas, traffic congestion due to flooding and reduced visibility when driving, causing slippery traffic and accidents.
High-intensity rain in a short period of time can cause landslides in mountainous areas, where the terrain is steep.