Mongabay · Climate & nature

Northern Vietnam Hit by Heavy Rains and Flooding

Heavy rainfall has caused widespread flooding across northern Vietnam, submerging homes, disrupting transportation, and impacting agricultural lands. Authorities are responding to the crisis, with further heavy rain anticipated in the south.

Northern and north-central Vietnam experienced significant rainfall this week, with some areas receiving over 50 centimeters (19.7 inches). This has led to more than 2,000 homes being submerged, numerous transportation routes blocked, and over 1,000 households isolated. Ninh Binh and Thanh Hoa provinces have been particularly affected.

The flooding has inundated approximately 10,014 hectares (24,745 acres) of crops, with Ninh Binh, Thanh Hoa, and Nghe An provinces reporting the largest losses. Thousands of livestock and poultry have also perished.

In Hanoi, streets experienced deep flooding, with water reaching nearly a meter (3.2 feet) in some areas, hindering daily commutes and school access. Many educational institutions switched to online classes.

Authorities deployed soldiers to assist residents near the Bui River in Hanoi's outskirts as rising waters threatened homes. Residents in some areas, like Ninh Binh, reported being prepared for the annual flooding.

Vietnam is highly vulnerable to climate change and prone to flooding. The country experienced severe storms and flooding multiple times in 2025, prompting efforts to improve disaster preparedness.

Looking ahead, a cold air mass is expected to bring five days of heavy rain to southern Vietnam, including Ho Chi Minh City, starting September 17. Forecasters predict widespread rain through September 21, with warnings issued for low-lying areas.

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