A cold front that is entering northern Vietnam will cause scattered rains and disperse the scorching heat, up to over 42 Celsius degrees, in the region for a few days, the National Center for Hydrometeorological Forecasting said on Tuesday.

The weak cold spell is moving south and will combine with a wind convergence to first cover the northeastern part of the region in the early hours of Wednesday before spreading to other areas nearby, the center forecast.

The cold air mass will then continue moving south to relieve the extreme heat in Thanh Hoa and Nghe An Provinces, both located in the north-central region.  

Under the influence of the cold front, the aforementioned areas will likely have scattered showers and thunderstorms from Tuesday night through Wednesday. Some areas will probably have heavy rains with rainfall of up to 50mm.

As a result, the ongoing extreme heat in these areas will be dispersed, but thunderstorms, lightning, hail, and strong winds may occur there with a very high probability, the center warned.

In addition, localized heavy rain will likely cause flooding in low-lying areas, flash floods from small rivers and streams, and landslides in steep slope areas.

In the northern part of the Gulf of Tonkin, the wind will turn to northeast at a speed of up to 38kph, and showers and thunderstorms may occur, possibly with whirlwinds and strong gusts.

The cold spell will also help cool down the boiling hot weather in the area from Quang Binh to Quang Tri Provinces, also located in the north-central region.

Before the coming cold front, the northern and north-central regions have been suffering from the baking weather, with the highest temperatures reaching over 42 degrees Celsius on Tuesday, the center reported.

After being dispersed for a few days, the heat will likely return to the northwestern and north-central regions on Friday, the center forecast.  

From Saturday, the blazing weather will gradually decline in the Central Highlands and the southern region from this weekend, while it possibly continues raging in central and south-central parts, stated the agency.

Hydrometeorological agencies throughout Vietnam have advised people to avoid going outdoors and to ensure they drink enough water during the extreme heat to safeguard their health.

Associate Professor Nguyen Huy Thang, chairman of the Ho Chi Minh City Stroke Association, recently warned that scorching hot weather conditions may increase the risk of stroke. 

Besides drinking plenty of water, people should avoid long exposure to sunlight and limit exercise under the blistering weather, he advised. 

Dr. Tran Quoc Quy from Hanoi’s 108 Military Central Hospital also warned that the sweltering weather could affect people with cardiovascular diseases.

High temperatures and dehydration can elevate heart rates, placing additional strain on the heart and raising the risk of conditions such as angina, arrhythmia, and potentially heart failure, the doctor elaborated. 

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