Moved by the sight of students struggling home in a torrential downpour, Nguyen Huu Tho High School principal wrote a heartfelt letter advising safety and allowing students to wear sandals to school the next day.

Heavy rain from southern Nghe An to Quang Tri is shifting northward, with some areas in the southern Red River Delta and from Thanh Hoa to northern Ha Tinh expected to receive over 450 mm in the next two days.

A weak cold front is expected to arrive in the northern region from the afternoon of 9/9, bringing thunderstorms, lowering temperatures below 33 degrees Celsius, and potentially causing heavy rains in the central region.

During the September 2nd National Day holiday, the Northern and North Central regions will experience showers and thunderstorms, with heavy rain in some areas, while the Central region will be hot, and the Southern region will see scattered showers and thunderstorms in the late afternoon and evening.

Prolonged heavy rain from 21/8 to the afternoon of 22/8 caused localized flooding in many residential areas and roads in Quang Ninh, with some embankment slopes collapsing and hindering traffic.

A persistent low-pressure trough is expected to bring a week of rain to Vietnam's Northern region, with increased intensity and coverage from 4/8 to 7/8.