According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (September 10), the mountainous and midland areas of the North had moderate rain, heavy rain and thunderstorms, locally very heavy rain.
Rainfall from 7pm on June 9 to 8am on June 10 was over 90mm in some places such as: Pa Ve Su (Lai Chau) 116mm, Nam Luc (Lao Cai) 95.2mm, Ha Lang (Tuyen Quang) 144.2mm, Binh Son (Hoa Binh) 96.4mm...
The Northwest region, the provinces of Cao Bang, Bac Kan, Lang Son, Ha Giang, Tuyen Quang, Thai Nguyen in the North on the morning of June 10 had scattered showers and thunderstorms, locally heavy rain. Rainfall is generally from 10 - 30mm, locally over 60mm.
In the Central Highlands and the South in the afternoon and evening of June 10, there is a forecast of rain, moderate rain and thunderstorms, with some places having heavy rain. Rainfall is generally from 20 - 40mm, locally over 70mm.
The meteorological agency warns that there is a possibility of tornadoes, lightning, hail and strong gusts of wind during thunderstorms. 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 June, according to the meteorological agency, the total rainfall across the country is generally approximately the average of many years in the same period; in the North Central region, the total rainfall is generally 15 - 25% higher than the average of many years in the same period.
During the forecast period, the Northern and North Central regions will likely experience some widespread heavy rains.
In the Central Highlands and the South, the southwest monsoon tends to get stronger, so the rain is likely to increase in both area and rainfall. 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.