According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (July 1), the Northern region and Thanh Hoa had moderate rain, heavy rain and scattered thunderstorms, locally very heavy rain. Rainfall from 7pm on June 30 to 8am on July 1 was over 100mm in some places such as: Thu Lum (Lai Chau) 166.5mm, Ban Ngo (Tuyen Quang) 148.8mm, Dam Ha (Quang Ninh) 127mm, Ban Qua (Lao Cai) 115.6mm...
The Northern region and Thanh Hoa from the morning of July 1 to the night of July 2 are forecast to have moderate rain, heavy rain and thunderstorms, locally very heavy rain with common rainfall of 40 - 100mm, locally over 250mm.
Warning of the risk of local heavy rain with rainfall greater than 100mm within 3 hours.
The meteorological agency forecasts that from July 3, heavy rain in the North will gradually decrease.
Nghe An, the Central and Southern Plateau areas on the day and night of July 1, are forecast to have showers and thunderstorms, locally heavy rain with rainfall of 10 - 30mm, locally over 70mm. The rain will be concentrated in the late afternoon and night.
During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides on steep slopes and flooding in low-lying areas. The warning level of natural disaster risk due to tornadoes, lightning, and hail is level 1.