According to forecasts from the Hydrometeorological Center, the North is currently under the influence of the southwest edge of the continental high pressure blade, combined with the southern edge of the low pressure trough at about 23-26 degrees North latitude, which tends to gradually shift. down south. Particularly, the North is affected by wind convergence up to 5000m; pressure drop, humidity little change. The South lies at the southern edge of the weather system analyzed above; little change in pressure and humidity.
On the morning of May 10, heavy rain appeared in many places in Lang Son. From 1 am to 7 am, the amount of rain recorded in Bac Son is up to 216 mm, Lang Son city 116 mm, Mau Son 67 mm… Photo: FB
Weather forecast areas in the next 24 to 48 hours, the North region will have scattered showers and thunderstorms, with moderate to heavy rain locally; From tomorrow night 11/5, thunderstorms tend to increase in the mountains and midlands (with moderate rain, heavy rain, in some places very heavy rain; the time of rain is concentrated in the evening and at night). Other areas have showers and thunderstorms in the evening and night in some places, sunny days.
Forecast of weather trends in the next 10 days across the country from May 10-20: Abnormal weather occurs in mid-May
Assessing the weather trend from the night of May 12 to May 20, the continental high pressure in the North compresses the low pressure trough and moves to the South; Around May 14-15, the continental high pressure blade strengthened to the North, then weakened and gradually moved to the East.
From about May 12-13, the southwest wind tends to establish in the southern region. At high altitude, the wind convergence area up to 5000m is maintained in the Northern region. The subtropical high pressure has a stable intensity, from about May 13, it weakened and gradually receded to the East.
Warn the Northern region, mountainous areas and midland with moderate rain, heavy rain, and very heavy rain in some places; In the Northern Delta, there are showers and thunderstorms, with moderate rain and heavy rain locally (the time of rain is concentrated in the evening and at night).
Area from Thanh Hoa to Thua Thien Hue: From about 13-14 in the North, there will be showers and thunderstorms with scattered rain, concentrated in the evening and at night; From May 15-16, there are scattered showers and thunderstorms, with moderate rain and heavy rain locally.
The area from Da Nang to Binh Thuan from May 17 has scattered showers and thunderstorms. In the Central Highlands and the South, from May 13, there will be showers and thunderstorms with scattered rain in the afternoon and evening. During the rain, it is necessary to watch out for tornadoes, lightning, hail and strong winds.
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