The national weather agency on Tuesday forecast prolonged moderate to heavy rainfall that can last up to four days in Vietnam’s northern and north-central regions over the next month.

The National Center for Hydro-meteorological Forecasting anticipates continued heat across all regions from June 11 to July 11, resulting in average temperatures 0.5-1 degree Celsius higher than the long-term average nationwide. 

In terms of rainfall, most areas are expected to receive precipitation levels comparable to the long-term average. 

The northern and north-central regions should anticipate frequent showers and thunderstorms, with the possibility of moderate to widespread heavy rain lasting two to four days.

The Central Highlands and southern regions will witness the continued influence of the southwest monsoon, bringing moderate to strong rainfall, particularly in the latter half of the forecast period. 

However, the central region may experience limited rainfall and heightened temperatures, potentially leading to drought and water scarcity, especially in the central and south-central regions.

Throughout the forecast period, there is a likelihood of storms or tropical depressions forming in the East Vietnam Sea, with a higher probability in early July. 

These weather events, along with the southwest monsoon, could generate strong winds and large waves, impacting activities in the East Vietnam Sea region.

Prolonged heavy rainfall

On June 8 and 9, certain areas along the northeast coastal region experienced unprecedented daily rainfall for June.

Notably, from the evening of June 8, Phu Lien meteorological station in Hai Phong City recorded up to 228mm of rainfall, marking the highest precipitation in the area in the past 45 years. 

Previously, the record for June rainfall at Phu Lien station was set in 1979 at 167.5mm. 

This heavy rainfall led to severe flooding in several central districts of Hai Phong, with water levels reaching up to one meter in some places.

In Quang Ha Town, Quang Ninh Province, rainfall on June 9 reached 367mm, setting a new record for the highest June rainfall in the area, surpassing the previous record established 11 years ago. 

Other localities in Quang Ninh, including Tien Yen Distict, Mong Cai City, and Bai Chay resort area, also experienced exceptionally heavy rainfall on the same day, exceeding records set many years ago.

Prolonged heavy rainfall resulted in flooding in various areas such as Uong Bi City, Cam Pha City, and Dong Trieu Town.

Beyond the northeast coastal region, heavy rainfall from June 9 to 10 in the mountainous province of Ha Giang led to the loss of three lives and widespread flooding in Ha Giang City. 

Over 1,000 houses and many schools were inundated. 

Many individuals had to be evacuated and rescued by emergency response teams due to rising water levels. 

In Meo Vac District, many tourists became stranded.

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