According to experts, the weather developments over the past month have been most notable in terms of rainfall. Total rainfall across the country is 20-60% higher than the average for many years, with some places recording the heaviest rainfall in the past 45 years.
There are places where heavy rain exceeds the historical value for 45 years
Regarding the weather in the past month, Mr. Nguyen Duc Hoa, Deputy Head of Climate Forecasting Department, National Center for Hydrometeorological Forecasting, said that on the afternoon of May 30, the low pressure area in the waters of the Hoang Sa archipelago was strengthened into a tropical depression. By the afternoon of May 31, the tropical depression had strengthened into a storm and this was the first storm in the East Sea region in 2024 (Storm No. 1, international name MALIKSI) .
From May 10 to present, many thunderstorms, cyclones and hail have occurred nationwide, most concentrated in the Northern and Central provinces and some places in the Central Highlands (Table 1-Appendix green). In the Northern Delta and Central regions, there was a heat wave, in some places, severe heat on the days from May 26 to 30; In which, the Thanh Hoa to Ninh Thuan area has intense heat, some places are especially intense with the highest daily temperature commonly ranging from 36.0-39.0 degrees Celsius, and some places are over 40.0 degrees Celsius. In the Central Highlands and Southern regions, hot weather continues from May 11 to 31.
During the first 10 days of June, the heat only remained in the Southern region, but the intensity and scope of the heat gradually decreased. Across the country, many meteorological stations have recorded the highest daily temperature values exceeding historical values. The average temperature in the Northern region, Thanh Hoa to Thua Thien Hue is usually 0.5-1.0 degrees Celsius higher than the average for many years in the same period; The remaining areas are commonly 1.0-2.0 degrees Celsius higher, in some places over 2.0 degrees Celsius higher than the average for many years in the same period.
According to experts, the weather developments over the past month have been most notable in terms of rainfall. In the Northern region, there have been many days of showers and thunderstorms, of which on May 19, June 5, June 8-9 there was moderate rain, heavy rain on a large scale, and in some places very heavy rain. , especially in the period from June 8 to 9, some places in the Northeast coastal region had daily rainfall exceeding historical values.
Specifically, it can be mentioned as Pho Rang (Lao Cai) with rainfall reaching 114.6mm, exceeding the historical value for 4 years. M Drak (Dak Lak) with rainfall of 147.8mm, exceeding the historical value for 13 years; Mong Cai (Quang Ninh) had 299mm of rainfall, exceeding the historical value for 16 years; Quang Ha (Quang Ninh) had a record high rainfall of 367mm, exceeding the historical value for 21 years; Tien Yen (Quang Ninh) had 334mm of heavy rain, exceeding the historical value for 23 years; Bai Chay (Quang Ninh) had 307mm of heavy rain, exceeding the historical value for 21 years; Phu Lien (Hai Phong) with 228mm rainfall has exceeded the historical value for 45 years. These are the rains recorded on June 9.
In the Central region, there were scattered showers and thunderstorms for many days, of which on May 31, the North and Central regions had widespread moderate and heavy rain. The Central Highlands and Southern regions have scattered showers and thunderstorms, locally with moderate and heavy rain.
“In the period from May 11 to June 10, 2024, the total rainfall across the country is 20-60% higher than the average for many years in the same period; in the Central Highlands and Southwest regions, the total rainfall is 20-60% lower than the average for many years,” said Mr. Nguyen Duc Hoa.
In early July, there may be a tropical storm/low pressure
Mr. Nguyen Van Huong, Head of Weather Forecasting Department, National Center for Hydrometeorological Forecasting, said that the heavy rain with rainfall in some places over 400mm occurring in the first days of June is not unusual.
The reason is that in June, the North is still in the transition phase and is affected by cold air waves that can cause heavy rain. The Center still has early warnings so that localities can come up with appropriate natural disaster prevention plans.
Mr. Nguyen Duc Hoa said that from now until July 10, the average temperature across the country will be 0.5-1.0 degrees Celsius higher than the average for many years; The South Central, Central Highlands and Southern regions alone are about 1.0 degrees Celsius higher than the average for many years in the same period.
Total rainfall in areas nationwide is approximately equal to the average for many years during the same period. Storms and tropical depressions are likely to appear during the forecast period in the East Sea. The higher probability of occurrence occurs in the early period of July 2024. Heat continues in the Northern and Central regions.
Along with the heat, there are widespread thunderstorms. The Northern and North Central regions will have many days of showers and thunderstorms, including the possibility of some moderate and widespread heavy rain lasting about 2-4 days. In the Central Highlands and Southern regions, the southwest monsoon continues to operate with moderate to strong intensity, and rain is likely to increase and concentrate in the second half of the forecast period.
Experts warn that from now until early July, dangerous weather phenomena such as tropical storms/low pressure and the southwest monsoon are likely to cause strong winds and large waves, affecting activities in the region. East Sea. Strong thunderstorms accompanied by tornadoes, lightning, hail and strong winds can greatly affect production and civil activities.
In the Central region during this period, there is still a possibility of little rain and a lot of heat, especially in the Central and South Central regions, leading to drought, water shortages and potential risks of fire and explosion. very high.