Why is it cold, Hanoi and the North are so cold?

Explaining why this cold spell in Hanoi and some northern provinces is deep, the lowest can be down to 16 degrees Celsius, the mountain area is below 11 degrees Celsius, the head of forecasting department of Viet Bac KTTV Station said: The high-wind system operates strongly in combination with the cold air this time very strong, moving quickly so that the heat base is deep. "

The cold air is the strongest since the beginning of the year

As reported, according to the Central Hydrometeorological Center, on November 7, the cold air section reported moving south. Forecasts, around the day and night on November 8, this cold air component will affect the northern provinces, then affect the North Central region, later than the original forecast.

From the night of November 8, the whole North became cold. The lowest temperature in the northern delta and midland provinces is 16-19 degrees and 13-15 degrees in the cold and mountainous areas. Particularly in high mountainous areas such as Sa Pa and Mau Son, which are cold 9-11 degrees C. Hanoi capital is projected to cool 17-18 degrees at night, daytime only 19-21 degrees C.

On November 8, Northern provinces had a sharp drop in temperature.(Illustration).

Along with the cold air, from the night of November 8, the North will appear a rain, then expand to North Central to Quang Binh. Rainfall in the whole season in the West of Northern region varies from 50-150mm; East North and North Central 50-100mm.

Regarding this cold spell, talking to us, Mr. Pham Dinh Van, Head of Forecast Department of Viet Bac Meteorological and Hydrological Station said that since the beginning of the year, the cold air this time is strong and deep. Best.

"The possibility of temperature in mountainous provinces like Lao Cai, Yen Bai and Bac Can . will be the lowest to about 13 degrees Celsius. The provinces in the midland, plain, and Hanoi regions have the lowest temperature. about 15-16 degrees C. On November 8, the temperature will deepen at noon and evening with rain, possibly rain and thunderstorms.This cold lasts about 3 to 4 days then the temperature gets warmer " Mr. Van said.

"This winter there are about 3 to 4 cold, damaging cold spells, the possibility of no snow falling"

Sharing with us, the Head of the Department predicted that Viet Bac Hydrometeorological Station also said that compared to every year, the average temperature dropped to a cold and cold threshold, the probability of this year coming sooner and the forecast is about 3 up to 4 cold and damaging cold spells.

According to Mr. Van this year, the possibility of not falling snow.

"I think the most damaging cold spell is concentrated in the end of December, the lowest temperature is about 8-9 degrees in the mountainous provinces, and the delta is also the same or maybe a little higher and there is also about 3, 4 more times, " said Van.

Regarding the weather situation last year, there was a place where the temperature dropped to -4 degrees Celsius, Mr. Van predicted that the temperature this year would not be as deep as the previous year.

"As last year recorded at Phu Tho meteorological station the temperature down to 5.4 degrees was the lowest but this year it is forecasted that the lowest temperature is only about 8 to 9 degrees Celsius, not as cold and cold as last year . The head of the forecast department said the Viet Bac Hydrometeorological Station said.

Mr. Van also made a forecast that there will be no snow this year. Explaining this problem, he said: "This year due to E l Nino (hot) is in intermediate state, leaning towards La Nina (cold) so the possibility is not as cold as last year".

In this regard, Mr. Luu Minh Hai - Director of Lao Cai Hydrometeorological Station, said that the cold spell this time was deeper because the cold air mass was relatively strong. On November 8, the temperature dropped 6 to 8 degrees Celsius compared to November 7.

"The cold air this time happened cold only in the mountainous provinces and lasted until about November 12, the temperature warmed up. This cold wave I was most concerned about was the problem of two bad weather combination At the same time, it causes unusually heavy rains in the North West provinces, where flash floods and landslides are likely to occur, " Hai said.