According to the National Center for Hydro-Meteorological Forecasting, this morning (October 23), cold air has affected most of the Northeast and some places in the North Central region. The Gulf of Tonkin has strong northeast winds of level 6, sometimes level 7, gusting to level 8. This afternoon and evening (October 23), cold air will continue to affect other places in the North Central region, some places in the Northwest and the Central Central region. Northeast winds of level 3, coastal areas of level 4 - 5.
Today and tonight, October 23, the North, Thanh Hoa and Nghe An will have cool weather. The North will have the lowest temperature of about 20 - 22 degrees Celsius, in mountainous areas it will be below 19 degrees Celsius. The average temperature will be about 24 - 26 degrees Celsius, in mountainous areas it will be below 23 degrees Celsius. Thanh Hoa and Nghe An will have the lowest temperature of about 22 - 24 degrees Celsius; the average temperature will be 23 - 25 degrees Celsius.
The area from South Nghe An to Thua Thien Hue has showers and thunderstorms, locally heavy rain. Thunderstorms are likely to cause tornadoes, lightning and strong gusts of wind.
The meteorological agency warns that thunderstorms accompanied by tornadoes, lightning and strong gusts of wind can affect agricultural production, cause trees to fall, damage houses, traffic works and infrastructure.
Localized heavy rains can cause flooding in low-lying areas; flash floods in small rivers and streams, and landslides on steep slopes.
From the night of October 23, the North will have cold nights and mornings, especially in the mountainous areas of the North.
During the day and night of October 24, the lowest temperature in the North is generally from 19 - 21 degrees Celsius, in mountainous areas 17 - 19 degrees Celsius, in high mountainous areas some places are below 16 degrees Celsius. The average temperature is about 24 - 26 degrees Celsius, in mountainous areas some places are below 23 degrees Celsius. Thanh Hoa and Nghe An have the lowest temperature of about 21 - 23 degrees Celsius; the average temperature is 23 - 25 degrees Celsius.
At sea, in the North East Sea (including the Hoang Sa archipelago), strong northeast wind level 6, sometimes level 7, especially in the east level 6 - 7, gusting to level 8 - 9; rough sea; waves from 3 - 6m high. In the Gulf of Tonkin, strong northeast wind level 6, sometimes level 7, gusting to level 8 - 9; rough sea; waves from 2 - 3.5m high.
Strong winds and large waves at sea are likely to affect boating and other activities.
