Specifically, the National Center for Hydro-Meteorological Forecasting said that a low pressure trough with an axis at about 23-26 degrees north latitude from yesterday on August 13 is gradually shifting to the south. At the same time, in the Northern region, the convergence of winds above 5000m is tending to become stronger. Because of the influence of the wind convergence analyzed above combined with the combined low pressure trough, in the North last night, there were scattered showers and thunderstorms in many places, especially in the mountainous areas. big.
And from today, August 14 to the morning of August 16, in the North, it will have moderate rain, heavy rain and thunderstorms with average rainfall in the range of 100-150mm/time; The mountainous area is forecasted to have very heavy rain and thunderstorms with rainfall in the range of 150mm-250mm/time.
In particular, some areas such as Lai Chau, Dien Bien, Lao Cai, Cao Bang, Yen Bai, Ha Giang and Quang Ninh will locally receive over 250mm of rainfall per time, in which heavy rains will focus mainly on night and early morning.
During thunderstorms, people need to pay attention because there is a possibility of tornadoes, lightning and strong winds. In mountainous provinces, there is a risk of flash floods, landslides and local flooding.
The Hanoi area from today 14/8 to the morning of August 16 is forecasted to have showers and thunderstorms, with heavy rain mainly at night and in the morning. During thunderstorms, people need to watch out for the possibility of tornadoes, lightning and strong winds.
In the Central region, it is still hot today, many places have intense heat with the temperature mainly fluctuating in the range of 35-38 degrees, in some places the temperature is up to over 38 degrees. The cause is due to the influence of the southwest wind combined with the southern edge of the low pressure trough with an axis at about 23-26 degrees North latitude, causing the phon effect.
During the day, the humidity in this area is relatively low, only about 45-60%. From 10 to 17 hours, the temperature will be over 35 degrees Celsius. Starting from tomorrow, August 15, the heat in this area tends to subside.