According to the National Center for Hydro-Meteorological Forecasting, on the night of July 7, the Northwest region, Central Highlands and the South will have local heavy rain. Rainfall from 7pm on July 7 to 7am on July 8 was over 50mm in some places such as: Phin Ho monitoring station (Lai Chau) 71mm, Pha Long monitoring station (Lao Cai) 54.8mm, Da Teh monitoring station (Lam Dong) 73.4mm, Thuan Hoa monitoring station (An Giang) 86mm...
In the mountainous areas of the North on the day and night of July 8, there will be scattered showers and thunderstorms, locally heavy rain with rainfall of 15 - 30mm, locally over 80mm. Rain will be concentrated in the late afternoon and night.
In the Central and Southern Plateau areas on the afternoon and night of July 8, there will be scattered showers and thunderstorms, locally heavy rain with rainfall of 10 - 30mm, locally over 70mm.
The meteorological agency warns that thunderstorms may cause tornadoes, lightning, hail and strong gusts of wind. Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides on steep slopes and flooding in low-lying areas. The warning level of natural disaster risk due to tornadoes, lightning, and hail is level 1.
Regarding the rainfall trend in July, the total rainfall in the North and the provinces from Thanh Hoa to Quang Tri is generally 20 - 50% higher than the average of many years in the same period; the remaining areas are generally 5 - 15% lower than the average of many years in the same period.
In July, it is forecasted that the Northern region, Thanh Hoa to Ha Tinh are likely to experience some widespread heavy rains. In the Central and Southern highlands, it is forecasted to continue to have many thunderstorms, with some days having heavy to very heavy rain, the rain will be concentrated in the late afternoon.
On a national scale, there is a continued possibility of dangerous weather phenomena such as thunderstorms, tornadoes, lightning, hail and strong gusts of wind.
The phenomenon of heavy rain and thunderstorms, whirlwinds, and lightning can negatively affect production activities and public health. In particular, beware of localized heavy rains that can cause floods, inundation in low-lying areas and landslides in mountainous areas.