Last night and early this morning (September 14), the Northern Delta region had scattered showers and thunderstorms, with locally heavy to very heavy rain; Ninh Binh and from Thanh Hoa to the north of Quang Tri province had moderate to heavy rain and thunderstorms, with locally very heavy rain.
According to the National Center for Hydro-Meteorological Forecasting, rainfall from 7 pm on September 13 to 8 am on September 14 was locally over 160mm, such as Xuan Thuy (Ninh Binh) monitoring station 166 mm, Ky Thuong (Ha Tinh) 188mm, Hoa Thanh (Quang Tri) 232.2mm,...
From September 14 to the night of September 15, the Southern Red River Delta region, the South of Phu Tho province, from Thanh Hoa to Nghe An will have heavy to very heavy rain and thunderstorms with common rainfall from 150 - 300mm, locally over 450mm.
Other places in the Northern Delta and Ha Tinh have moderate rain, heavy rain and thunderstorms with common rainfall from 100 - 180mm, locally very heavy rain over 250mm.
From the afternoon of September 14 to the night of September 15, the Northern Midlands region, the North of Phu Tho province and the South of Tuyen Quang, Lao Cai, Son La provinces will have moderate rain, heavy rain and thunderstorms with common rainfall from 50 - 100mm, locally very heavy rain over 150mm.
Warning of the risk of heavy rain with rainfall greater than 100mm within 3 hours.
On September 16, the midland and delta areas of the Northern region; Phu Tho, Thanh Hoa, Nghe An provinces and the south of Son La, Tuyen Quang, Lao Cai provinces will have moderate rain, heavy rain and thunderstorms with common rainfall from 20-40mm, locally over 70mm.
Total rainfall from September 14 to September 16 in the Southern Red River Delta region, from Thanh Hoa to Nghe An from 180 - 350mm, locally over 500mm; Midlands and other places in the Red River Delta, Phu Tho and Ha Tinh provinces, southern Son La, Tuyen Quang, Lao Cai provinces from 100 - 200mm, locally over 300mm.
Warning level of natural disaster risk due to heavy rain, tornadoes, lightning, and hail is level 1; especially Thanh Hoa and Nghe An areas are level 2.
Heavy rain is likely to cause flooding in low-lying areas, urban areas, and industrial parks; flash floods on small rivers and streams, and landslides on slopes.
