A low-pressure area currently located in the Philippines is poised to develop into a trough or a cyclone as it moves toward the East Vietnam Sea in the next few days, working in tandem with a cold front to bring rains to various areas of Vietnam, the National Center for Hydro-meteorological Forecasting anticipated.

On Sunday morning, the low-pressure area in question was 500 kilometers eastward away from the southern Philippines, said Tran Quang Nang, head of the weather forecasting department at the National Center for Hydro-meteorological Forecasting.

The center expects the low-pressure area to enter the East Vietnam Sea on October 6-7 and strengthen into a trough, or even a cyclone in the ensuing days.

According to Nang, this year’s peak cyclone season will fall in October and November, with many low-pressure areas and troughs to be reported.

“We expect heavy rains in central Vietnam, most specifically mid-central and south-central provinces, during October and November due to the effect of hurricanes and low-pressure zones in the East Vietnam Sea,” he said

“This year’s cyclone season will bring 15 to 30 percent more rainfall to the central areas compared to the yearly average.”

The East Vietnam Sea will see around five to seven cyclones and troughs until the end of the year, with two to four to directly impact the Southeast Asian country, Nang added.

As he pointed out, the upcoming trough may work in conjunction with a cold spell to reach northern Vietnam on October 10-11, making its developments rather unpredictable. 

“Northern Vietnam will experience two or three cold spells in October, which may drag the daytime mercury to below 25 degrees Celsius,” Nang stated.

This winter will be colder than the last, with severe cold weather likely to emerge before December 25, as opposed to the usual pattern of post-December 25 in previous years, he added.

Despite not yet facing the direct impact of the trough or cold spell, the mid-central, central highlands and southern provinces will still see torrential rains with chances of thunderstorms from October 5 to 7.

Hanoi and its surrounding areas will also see rains and thunderstorms from October 3 to 11.

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