According to the National Center for Hydro-Meteorological Forecasting, last night (May 14), the Northwest region and the provinces of Cao Bang, Bac Kan, Lang Son, Thai Nguyen, Tuyen Quang had showers and thunderstorms, locally heavy to very heavy rain.
Rainfall from 10pm on May 14 to 3am on May 15 was over 60mm in some places such as: Ta Leng (Lai Chau) 138.2mm, Sa Pa Town (Lao Cai) 68.6mm, Cam Nhan (Yen Bai) 77.6mm, Thai Hoa (Tuyen Quang) 63.4mm...
The Northwest region and the provinces of Cao Bang, Bac Kan, Lang Son, Thai Nguyen, Tuyen Quang on the day and night of May 15 are forecast to have scattered showers and thunderstorms, locally heavy rain with rainfall from 20 - 40mm, some places over 70mm. Thunderstorms will be concentrated in the morning and at night.
In the Central Highlands and the South in the afternoon and evening of May 15, there will be scattered showers and thunderstorms, locally heavy rain with rainfall from 10 - 30mm, some places over 50mm.
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.