Be Quoc Vinh, Director of Phia Oac - Phin Den National Park, said the frost appeared at 2:00 p.m., from an altitude of about 1,600 m up to the mountain’s summit (1,931 m). The outdoor temperature dropped to minus 5 degrees Celsius.

White frost appears on Phia Oac peak in Cao Bang Province on Jan. 22, 2024.

According to Be Quoc Vinh, Director of Phia Oac - Phia Den National Park, frost formed around 2:00 p.m. at altitudes from approximately 1,600 meters to the summit at 1,931 meters, with outdoor temperatures dropping to minus 5 degrees Celsius.

"The frost created a white coating over all trees and objects. At that time, the wind was strong, and frost began to fall from the trees," Vinh explained.

Phia Oac is the tallest peak within the Phia Oac - Phia Den National Park. At around 4:50 p.m., frost also started to develop at the Mau Son peak in Lang Son Province, which stands about 1,000 meters above sea level. A frost layer was seen covering tree branches and fences.

Frost is also expected to appear on other mountain peaks over 1,500 meters on Monday night, as a fresh wave of cold air sweeps through northern Vietnam, causing a steady decline in regional temperatures.

The National Center for Hydrometeorological Forecasting reported that the cold spell will last until Jan. 25, with the lowest temperature in the Northern Delta being 7-10 degrees Celius and sub-zero in high mountains.

Severe cold wave ends in northern Vietnam

As cold air weakens, a severe cold wave lasting 10 days has ended in northern Vietnam, save for certain mountainous regions like tourist town Sa Pa.

Hanoi temperature drops to 7 degrees as cold snap intensifies

Temperatures across the north plunged to below 10 degrees Celsius on Saturday morning, with Hanoi recording 7-8 degrees.

Northern Vietnam's cold wave to persist until Christmas

An additional mass of cold air arriving Tuesday morning will further plunge northern Vietnam into the cold until Christmas, with average daytime temperatures below 15 degrees Celsius.

North to become colder with intensifying northeast monsoon

The northeast monsoon is forecast to arrive this weekend, and it will cause temperatures in Hanoi to drop to 10-13 degrees Celsius.

Northern Vietnam experiences 1°C coldness

A strong cold air has brought the temperature at the northern province of Lang Son’s Mau Son peak on Sunday down to 1°C, with Hanoi at 11°C, the lowest since this year’s winter started.

Source: VnExpress