According to the National Center for Hydro-Meteorological Forecasting, currently, cold air has affected some places in the North Central and Northwest regions. In the North and North Central regions, there are rain, moderate rain and scattered thunderstorms, locally heavy to very heavy rain; common temperature 23 - 26 degrees C, especially in the northern mountainous region 21 - 23 degrees C.
On May 8, this cold air mass will continue to affect other places in the North Central and Northwest regions. On land, northeast wind level 2-3, coastal area level 3.
Northeast region and Thanh Hoa from September 8th - September 5 is cool. Lowest temperature during the day and night 8. 5 - September 9 in the Northeast region and Thanh Hoa is commonly from 21 - 24 degrees C, the Northern mountainous region has places below 21 degrees C. Average temperature is about 24 - 26 degrees C, the mountainous region has places below 24 degrees C.
Hanoi area on May 8 has rain, showers and thunderstorms in some places; cool weather. The lowest temperature in this cold air wave is commonly 22 - 24 degrees C.
Regarding the development of rain due to cold air, on May 8, in the southern areas of the Northern Delta and North Central region, there will be rain, moderate rain and scattered thunderstorms with rainfall of 15 - 30mm, locally heavy to very heavy rain over 70mm.
The meteorological agency warns that during thunderstorms, there is a high possibility of tornadoes, lightning, hail and strong gusts of wind.
Rainstorms accompanied by tornadoes, lightning, hail and strong gusts of wind affect agricultural production, causing trees to fall, houses, traffic works, and infrastructure to be damaged. Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides on slopes, and flooding in low-lying areas.
At sea, in the north of the Gulf of Tonkin, northeast winds are strong at level 4 - 5, gusts at level 6, sea waves are 1 - 2m high. From the evening and night of May 8, the northeast sea area of the Northern East Sea has strong northeast winds at level 6, gusts at level 7 - 8, sea waves are 2 - 3m high, rough seas.
Strong winds and gusts, large waves at sea are likely to affect the operation of ships and other activities.
