According to the National Center for Hydro-Meteorological Forecasting, cold air has now affected most of the Northeast region. In the North, there is rain in some places, especially in the northern mountainous areas, there is rain, scattered light rain; the temperature drops from 1 - 3 degrees Celsius. At Bach Long Vi station, there has been strong northeast wind at level 6, gusting at level 7.
On January 31, this cold air mass will continue to affect other places in the Northeast region, North Central region; then affect other places in the Northwest region and Central Central region. On land, northeast wind level 2 - 3, coastal areas level 3 - 4.
The Northern and North Central regions on January 31st day and night are forecast to have rain, scattered light rain.
The Northeast region turns cold, mountainous areas have places with deep cold. From the night of January 31, the North Central and Northwest regions (except Dien Bien and Lai Chau) will turn cold. Cold weather may affect livestock and poultry; affecting the growth and development of crops.
On January 31st day and night, the Northeast region will have the lowest common temperature of 14 - 17 degrees C, mountainous areas in some places below 13 degrees C; average temperature 17 - 19 degrees C, mountainous areas in some places below 15 degrees C.
The Northwest and North Central regions have the lowest temperature commonly 16-19 degrees C; average temperature 20 - 22 degrees C, especially Dien Bien - Lai Chau commonly 22 - 24 degrees C.
On February 1st day and night, the Northern region has the lowest temperature commonly 13 - 16 degrees C, mountainous areas 11 - 13 degrees C; average temperature 15 - 17 degrees C, mountainous areas in some places below 14 degrees C, especially Dien Bien - Lai Chau commonly 20 - 22 degrees C.
The North Central region has a common lowest temperature of 14 - 17 degrees C; average temperature 17 - 19 degrees C.
The lowest temperature in this cold air wave in the Northern and North Central regions is commonly 12 - 15 degrees C, the Northern mountainous region 9 - 12 degrees C, the high mountainous region has places below 8 degrees C.
Hanoi area in n 31st will have rain, scattered light rain, and light rain in some places at night. The weather will turn cold. The lowest temperature in this cold air wave is commonly 13 - 15 degrees Celsius.
The area from Quang Tri to Da Nang city and the eastern provinces from Quang Ngai to Gia Lai will have rain, showers, locally moderate rain, heavy rain and thunderstorms from February 1st to the night of February 3rd due to the influence of cold air. In thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
Localized heavy rain is likely to cause flooding in low-lying areas; flash floods on small rivers and streams, landslides on slopes; heavy rain in a short time causing flooding in urban areas and industrial parks.
