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Meteorological agency warns of the possibility of many unusual natural disasters this year

According to the National Center for Hydro-meteorological Forecasting, from the early morning of May 21 to May 24, in the North and North Central region, there will be moderate rain, heavy rain in places with very heavy rain with 150-year rainfall. 300 mm, over 350 mm in some places, especially in Tuyen Quang, Thai Nguyen and Vinh Phuc areas, the rainfall is 200-400 mm, in some places over 450 mm. Some places have heavy rainfall such as: Tam Dao (Vinh Phuc) 808 mm, Xuan Khanh (Thanh Hoa) 594 mm, Dai Tu (Thai Nguyen) 554 mm, Quan Chu (Thai Nguyen) 692 mm, Kien Thiet (Tuyen Quang) ) 612 mm, Tam Duong (Vinh Phuc) 496 mm, Dong Lai (Hoa Binh) 442 mm, Phuc Tho (Hanoi) 396 mm,…

The meteorological agency warns of the possibility of many unusual natural disasters this year - Photo 1.

Unusually heavy rain caused many roads of Vinh Yen city to be flooded, people went fishing on the street – Photo: OFFB

According to the forecasting agency’s explanation, usually in May (the transition month between the Northeast and Southwest monsoons), under the influence of the monsoon trough, the Northern provinces still regularly appear rain spells. fences and thunderstorms. Therefore, rains similar to those from May 21 in the North are not the first time.

According to the quick report of the provinces of Ha Giang, Tuyen Quang, Yen Bai, Lao Cai, Dien Bien, Son La, Cao Bang, Lai Chau, Bac Kan, Thai Nguyen, Phu Tho, Hoa Binh, Vinh Phuc, Hanoi, Thai Binh, Thanh Hoa, Nghe An, the recent flood in the North has killed 5 people, injured 6 people; 404 damaged houses, flooded 27,987 hectares of rice, crops and 853 hectares of aquatic products.

However, this time, the large-scale rain this time is of great intensity, the total rainfall is common from 100-250 mm, in some places like Vinh Phuc, there is a record rainfall; in Tam Dao, the 4-day rainfall is up to 808 mm. This is the highest rainfall in May ever,” said the National Center for Hydro-Meteorological Forecasting.

In 2 days 23 and 24/5, in the Northwest, Viet Bac and some places in the Northern Delta (including the capital Hanoi) had very heavy rain, the rainfall is common from 250-300 mm. The total 2-day rainfall in some places has exceeded the average monthly rainfall of many years by 30-50%.

On May 23, there was heavy rain in Tam Dao area (Vinh Phuc) with a measured rainfall of 464 mm/day. This is the largest daily rainfall recorded in Tam Dao since 1962, the previous record daily rainfall of 379 mm/day was recorded on August 25, 2003.

“Thereby, it can be seen that this is a rare heavy rain. In the past, the last heavy rain in May with a similar intensity in the North occurred on May 23 to 26, 2016. This has could be a sign that this year is likely to be a year of many disaster abnormality in our country”- the meteorological agency noted.

In addition, the La Nina phenomenon is forecasted to continue in the coming months and strongly influence the development of natural disasters in 2022. Although it is impossible to say for certain how La Nina will cause specific disasters. But according to statistical analysis, La Nina years often have heavy and complicated floods in Southeast Asia, including Vietnam.

From the evening of May 26 to the night of May 28, the rain in the North is likely to increase again, concentrating in the Northwest, Viet Bac, and the Southeast. Common rainfall is 20-50 mm/day. On May 29 and 30, mainly thunderstorms occurred in the afternoon and evening in the above areas.

The meteorological agency warned due to heavy rain that has lasted for many days, in the coming days, thunderstorms and local heavy rains will continuously occur scattered in the mountains and midland of the North. Therefore, it is necessary to watch out for the possibility of tornadoes, lightning, hail and strong winds during thunderstorms; There is a very high risk of flash floods and landslides in the mountainous provinces of the North and North Central and flooding in low-lying areas.

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