Weather from May 1, North and North Central turn cold

According to the National Center for Hydro-Meteorological Forecasting, around the night of April 30, cold air will affect the northern mountainous region; From the morning of May 1, it affected other places in the North and North Central, then affected some places in the Central region.

From May 1, the North and North Central regions will turn cold with the lowest temperature commonly ranging from 18-21 degrees Celsius, the northern mountainous areas will turn cold with the lowest temperature commonly from 16-18 degrees Celsius.

Due to the influence of cold air compressing the low pressure trough with an axis at about 22-25 degrees North latitude, it gradually moved to the South, so from the evening of April 30 to May 1, the North had moderate rain, heavy rain and thunderstorms. there are places with very heavy rain with the common rainfall of 40-70mm/period, in some places over 100mm/time.

From the morning of May 1 to May 2, the area from Thanh Hoa to Thua Thien-Hue has moderate rain, heavy rain and thunderstorms, in some places it rains very heavily with a common rainfall of 70-150mm/period, in some places over 150mm/batch.

In addition, due to the influence of the low pressure trough in the south, which tends to gradually raise the axis to the north, from April 30 to May 2, the area from Da Nang to Binh Thuan, the Central Highlands and the South has showers and rain. thunderstorms, with heavy to very heavy rain locally, 70-100mm of rain, over 120mm in some places; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. Risk of flash floods, landslides in mountainous provinces and inundation in low-lying areas. Warning for disaster risk levels due to heavy rain, cyclone, lightning, hail: Level 1.

At sea, from the night of April 30, on land, the wind changed to the northeast at level 3, in the coastal area at level 4. From the early morning of May 1, the Gulf of Tonkin wind turned to the northeast with a strong 6-7 level, level 8 shock. The sea is strong, the waves are 2-4m high. From the afternoon of May 1, the North East Sea area and the sea from Quang Tri to Quang Ngai, the wind turned to the northeast at level 6, sometimes at level 7, shock at level 8, strong seas; Waves are 3-5 m high in the North East Sea and 2-4 m in the sea from Quang Tri to Quang Ngai. Warning level of disaster risk due to strong wind at sea: level 2.

Due to the influence of the low pressure trough with an axis at about 9 – 12 degrees North latitude, on April 30, the sea from Quang Tri to Khanh Hoa, the western sea area between the East Sea had showers and thunderstorms; in thunderstorms there is a possibility of tornadoes and strong gusts of wind; sea ​​waves are from 1.5-2.5m high.

Weather areas day and night April 30: The Northwest is cloudy, the day has scattered showers and thunderstorms; In the evening and at night there are moderate rain, heavy rain and thunderstorms, there are places with very heavy rain; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. The lowest temperature is 20-23 degrees Celsius, some places are below 20 degrees Celsius. The highest temperature is 28-31 degrees Celsius, there are places above 31 degrees Celsius.

The Northeast is cloudy, with showers and thunderstorms in some places, especially in the Northern mountains with scattered rain; In the evening and at night there are moderate rain, heavy rain and thunderstorms, there are places with very heavy rain; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. Southeast wind level 2-3, night turns northeast to level 3, coastal area level 4. Lowest temperature 19-22 degrees Celsius, mountainous areas below 19 degrees Celsius. Highest temperature 28-31 degrees Celsius , there are places above 31 degrees Celsius.

Hanoi capital is cloudy, rainy days in several places; showers and scattered thunderstorms at night, with moderate to heavy rain locally. Southeast wind level 2-3, night turns to Northeast level 3. The lowest temperature is 20-22 degrees Celsius. The highest temperature is 29-31 degrees Celsius.

The provinces from Thanh Hoa to Thua Thien-Hue have clouds, showers and thunderstorms in some places; from the morning of May 1, there was moderate rain, heavy rain and thunderstorms, in some places it rained very heavily; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. The lowest temperature is 21-24 degrees Celsius, the south has over 24 degrees Celsius. The highest temperature is 28-31 degrees Celsius, some places are over 31 degrees Celsius.

The provinces and cities from Da Nang to Binh Thuan are cloudy, with showers and scattered thunderstorms, with moderate and heavy rain locally; scattered showers and thunderstorms at night; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. Southeast wind level 2-3. The lowest temperature is 23-26 degrees Celsius. The highest temperature is 27-30 degrees Celsius, in some places over 30 degrees Celsius.

The Central Highlands is cloudy, with showers and scattered thunderstorms in the day, with heavy to very heavy rain locally; scattered showers and thunderstorms at night; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. The lowest temperature is 19-22 degrees Celsius. The highest temperature is 26-29 degrees Celsius, some places are over 29 degrees Celsius.

Cloudy in the South, showers and thunderstorms scattered throughout the day, with heavy to very heavy rain locally; scattered showers and thunderstorms at night; in thunderstorms there is a possibility of tornadoes, lightning, hail and strong winds. The lowest temperature is 23-26 degrees Celsius. The highest temperature is 28-31 degrees Celsius.