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Since the night of September 17, due to the influence of cold air, the North has had moderate rains and heavy rains, in some areas, heavy to heavy rains. In a storm, there is the possibility of whirlwinds, lightning, and high winds.
The National Center for Hydrometeorological Forecasting has released a special weather forecast this week. Consequently, from the night of September 17, due to the influence of the low pressure trench compressed by the cold air from the North in combination with the convergence of winds at high levels, the North region may experience moderate rains, heavy rains, very heavy rains and strong thunderstorms.
Hanoi area
From September 14 to 17, there were rains and thunderstorms in some places, the day was interrupted with sunshine. From the night of September 17 to September 18, there were rains, moderate rains, some places with heavy rains. In a storm, there is the possibility of whirlwinds, lightning, and high winds.
Northern region
From September 13 to September 17, the flat area has little rain, the mountainous area has dispersed electrical storms, moderate rains and heavy rains locally. From the night of September 17 to September 18 there were rains, moderate rains, some places with heavy rains, especially in the mountainous area with heavy to heavy rains. In a storm, there is the possibility of whirlwinds, lightning, and high winds.
From September 17 to 18, in the rivers and streams in the area upstream of the Red River – Thai Binh, a flood will appear with an upstream flood amplitude of 2 to 3 m. The upstream flood peaks of Chay, Thao, Lo and small rivers are likely to reach an alarming level 1. High risk of flash floods and landslides in many northern mountainous provinces, especially Provinces: Lai Chau, Son La, Lao Cai, Yen Bai, Ha Giang, Tuyen Quang, Bac Kan.
Central region
From September 14 to 17, the central region at night has local thunderstorms, sunny days, some places with hot sun, especially from September 16 to 17, there is a large hot area with the highest popular temperature 34 to 37 degrees. C, somewhere above 37 degrees C. Day and night 18.9 scattered thunderstorms, very heavy rains locally. In a storm, there is the possibility of whirlwinds, lightning, and strong winds.
From September 14 to 17, the water level of rivers in central Vietnam slowly changed; On September 18, the water level of rivers in central Vietnam fluctuated.
The central highlands and the south
From September 14 to 16, the Central Highlands and the South region have a sunny day, scattered thunderstorms at night, with moderate and heavy rains locally. From September 17 to 18 there were rains, moderate rains and in some places it rained a lot. In a storm, there is the possibility of whirlwinds, lightning, hail, and high winds.
The water level of the rivers in the Central Highlands has fluctuated; Floods, flash floods, landslides and local flooding are likely to occur in small rivers and streams.
The water level of the southern rivers will rise with the tide.
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