Weather on the night of July 30 and July 1: Flood warning in Hanoi's inner city

After just a few minutes of rain, Dao Tan Street was flooded. (Photo: Van Diep/VNA)

According to the National Center for Hydro-Meteorological Forecasting, heavy rain and thunderstorms will occur in many areas across the country on the night of June 30 and July 1. Flood warnings are in place in Hanoi's inner city.

From the afternoon of June 30, Hanoi will have rain, some places will have moderate rain, heavy rain. In the next 3-6 hours, Hanoi's inner city and surrounding areas will continue to have heavy rain with common rainfall ranging from 20-50mm, some places over 70mm.

This rain is likely to cause flooding on many streets with a common depth of 15-20cm; some streets are likely to be flooded deeper with a depth of 20-40cm.

Traffic on deeply flooded streets will be affected, causing local congestion or many vehicles will have difficulty moving.

In Hanoi, the night of June 30 and the day of July 1 will be cloudy with scattered showers and thunderstorms, with some places experiencing heavy rain. Southeast wind level 2-3. There is a possibility of tornadoes, lightning and strong gusts of wind during thunderstorms. The lowest temperature will be from 25-27 degrees Celsius, the highest from 29-31 degrees Celsius, with some places above 31 degrees Celsius.

The Northwest region is cloudy with moderate rain, heavy rain and thunderstorms, some places have very heavy rain. Light wind. Beware of tornadoes, lightning, hail and strong gusts of wind during thunderstorms. The lowest temperature is from 23-26 degrees Celsius, some places below 23 degrees Celsius; the highest temperature is from 28-31 degrees Celsius, some places above 31 degrees Celsius.

In the Northeast, it is cloudy with moderate to heavy rain accompanied by thunderstorms, locally very heavy rain. Southeast wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. The lowest temperature is from 24-27 degrees Celsius, in mountainous areas it is below 23 degrees Celsius; the highest temperature ranges from 28-31 degrees Celsius, in some places it is above 31 degrees Celsius.

The area from Thanh Hoa to Hue is cloudy, with scattered showers and thunderstorms at night; Thanh Hoa and Nghe An have showers and thunderstorms, with heavy rain in some places. During the day, there are scattered showers and thunderstorms, with locally heavy rain. Light wind. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind. The lowest temperature is from 25-28 degrees Celsius, the highest is from 31-34 degrees Celsius, with some places above 34 degrees Celsius.

In the South Central Coast region, it is cloudy, with scattered showers and thunderstorms at night; scattered showers and thunderstorms during the day, with some heavy rain in some places. Southwest wind level 2-3. During thunderstorms, be on guard against tornadoes, lightning and strong gusts of wind. The lowest temperature ranges from 25-28 degrees Celsius, the highest temperature from 32-35 degrees Celsius.

The Central Highlands region is cloudy, with scattered showers and thunderstorms during the day; scattered showers and thunderstorms in the late afternoon and evening, with some heavy rain in some places. West to Southwest wind level 2-3. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind. The lowest temperature is from 20-23 degrees Celsius, the highest is from 26-29 degrees Celsius, some places are over 29 degrees Celsius.

In the South, it is cloudy with scattered showers and thunderstorms; in the late afternoon and evening, there will be scattered showers and thunderstorms, locally heavy rain. Southwest wind level 2-3. There is a possibility of tornadoes, lightning and strong gusts of wind during thunderstorms. The lowest temperature is from 24-27 degrees Celsius, the highest is from 30-33 degrees Celsius, some places are over 33 degrees Celsius.

At 6:00 p.m. on June 30, Tuyen Quang Hydropower Reservoir closed one bottom spillway gate in accordance with Official Dispatch No. 3811/CD-BNNMT of the Ministry of Agriculture and Environment .

At 6:00 p.m. on June 30, Tuyen Quang Hydropower Company closed one bottom spillway gate of Tuyen Quang Hydropower Reservoir. Thus, after closing one bottom spillway gate, Tuyen Quang Hydropower Reservoir has two bottom spillways left.

According to this dispatch, at 1:00 p.m. on June 30, the upstream water level of Tuyen Quang hydroelectric reservoir was at 106.16m, the downstream water level was 55.28m, the flow to the reservoir was 1,440 m3/s, and the maximum flow to the downstream was 2,271 m3/s.

Implementing the Inter-reservoir Operation Procedure on the Red River Basin in Decision No. 740/QD-TTg dated June 17, 2019 of the Prime Minister; Decision No. 922/QD-TTg dated May 14, 2025 of the Prime Minister amending and supplementing a number of articles of the Inter-reservoir Operation Procedure on the Red River Basin; Resolution No. 102/NQ-CP dated June 29, 2024 of the Government on ensuring the direction and operation of natural disaster prevention and control during the period of perfecting the civil defense command and direction agencies at all levels; Document No. 3995/VPCP-NN dated May 8, 2025 of the Government Office on organizing the monitoring, supervision and implementation of natural disaster prevention and control work, the Minister of Agriculture and Environment ordered the Director of Tuyen Quang Hydropower Company to close 1 bottom spillway of Tuyen Quang Hydropower Reservoir at 6:00 p.m. on June 30.

At the same time, closely monitor the developments of floods and rains, construction safety, flow to the lake, upstream and downstream water levels of the reservoir, and promptly report to the Ministry of Agriculture and Environment (through the Department of Dike Management and Disaster Prevention and Control) and relevant agencies as prescribed./.

Source: https://baolangson.vn/thoi-tiet-dem-30-va-ngay-1-7-canh-bao-ngap-lut-tai-noi-thanh-ha-noi-5051805.html