According to a forecast from the Hydrometeorological Center, due to the influence of the weakening continental high pressure blade, there will be some rain in the North and the area from Thanh Hoa to Thua Thien Hue.
The area from Da Nang to Binh Thuan, the Central Highlands and the South, due to the influence of a low-pressure trench with an axis at about 14-17 degrees North latitude, there are showers and thunderstorms in some places, especially in the evening and evening there are showers and scattered showers. thunderstorm, local moderate rain, heavy rain.
Currently, the continental high pressure blade continues to weaken. The depression axially around 15-18 degrees North Latitude weakens and fades. The southwest wind in the south is weak.
Weather forecast in the next 24 to 48 hours, the North will be affected by the weakening of the southwest edge of the continental high pressure blade, especially the North from tonight May 19 will be affected in combination with wind convergence. up to 5000m level; from May 21 under the influence of a low pressure trough with an axis through the North; pressure decreases, humidity increases.
The South is affected by the low pressure trough analyzed above, especially the Central Highlands and the South combined with the southwest wind field tends to become stronger; little change in pressure and humidity.
Weather forecast for the next 24 to 48 hours: North and North Central: Showers and thunderstorms in some places; especially in the Northern mountainous region, there are scattered showers and thunderstorms, with moderate and heavy rain locally. From the evening of May 20, the North and the North Central region had showers and scattered thunderstorms, with moderate and heavy rain locally; especially in the Northern mountainous region, there is moderate rain, heavy rain, and very heavy rain in some places;
Central and South Central: Showers and thunderstorms in some places; in the evening, there are scattered showers and thunderstorms; Central Highlands and the South: In the evening and evening, there are showers and scattered thunderstorms, with heavy rain locally.
Assessing weather trends from the night of May 21 to May 29, the low pressure trough with the axis through the North was compressed, moving slowly to the South; then from about 24-25/5, it tends to raise the axis gradually to the north. The southwest wind in the southern region continues to strengthen gradually. At high altitude, the wind convergence area up to 5000m maintains and operates strongly in the North and North Central regions until about May 23.
With this weather trend, the North and North Central regions from the night of May 21-23, there will be moderate rain, heavy rain, very heavy rain and scattered thunderstorms. From May 24-29, there will be scattered showers and thunderstorms, with moderate and heavy rain locally.
The Central Highlands and the South have showers and thunderstorms in some places, scattered showers and thunderstorms in the evening and evening, with heavy rain locally. Particularly in the period from May 21-23 in the afternoon and evening, there are showers and scattered thunderstorms, with heavy to very heavy rain locally. During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong winds.
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