According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (August 4), the Northwest region, Tuyen Quang and Thanh Hoa had moderate rain and scattered thunderstorms, with locally heavy to very heavy rain.
Rainfall calculated from 7 pm on August 3 to 8 am on August 4, some places over 100mm such as Lung Ha (Lao Cai) monitoring station 160.4mm, Xuan Giang 1 (Tuyen Quang) 172.8mm, Nam Cuoi 4 (Lai Chau) 137.4mm, Na Tau 3 (Dien Bien) 112.8mm, Bac Phong (Son La) 112mm,...
On the morning of August 4th, the Northern region will have scattered showers and thunderstorms with rainfall of 10 - 30mm, locally heavy rain over 60mm.
From the afternoon of August 4 to the night of August 5, the Northern and North Central regions will have moderate rain, heavy rain and thunderstorms with common rainfall of 70 - 140mm, locally very heavy rain over 200mm.
Warning of the risk of heavy rain with rainfall greater than 100mm within 3 hours. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Disaster risk level due to heavy rain, tornadoes, lightning, hail is level 1.
On the day and night of August 6, the Northern and North Central regions will continue to have moderate to heavy rain with common rainfall from 30 - 60mm, locally very heavy rain over 100mm.
The total rainfall for the whole period from the afternoon of August 4 to the night of August 6 is commonly from 100 - 200mm, locally over 300mm. Points with the possibility of heavy to very heavy rain such as Quang Ninh, Hai Phong, Hung Yen, Ninh Binh, Phu Tho, Son La, Dien Bien, Thai Nguyen, Thanh Hoa, Nghe An and possibly including the capital Hanoi.
Heavy rain and localized heavy rain are likely to cause flooding in low-lying areas, urban and industrial areas; flash floods on small rivers and streams, landslides on slopes.
