According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (April 23rd), the Northern region had showers and thunderstorms, locally heavy to very heavy rain. Rainfall calculated from 7 pm on April 22nd to 8 am on April 23rd, locally over 70mm such as the following monitoring stations: Uong Bi (Quang Ninh) 121.1mm, Khau Pha (Lao Cai) 77.8mm, Lam Thao (Phu Tho) 76.2mm, Ta Gia 2 (Lai Chau) 76mm, Muong Chien 2 (Son La) 73.8mm,...
The cause of this rain is that cold air will combine with a wind convergence zone operating at an altitude of 1500 - 5000m.
The Northern region during the day and night of April 23, is forecast to have rain, moderate rain and scattered thunderstorms with rainfall from 20 - 40mm/24h, locally heavy to very heavy rain over 100mm/24h.
The North Central region from April 23 to April 24 is forecast to have rain, moderate rain and scattered thunderstorms with rainfall of 20 - 40mm/24h, locally heavy to very heavy rain over 100mm/24h.
The Central Central region from the evening of April 23 to April 25, is forecast to have scattered showers and thunderstorms with rainfall of 10 - 30mm/24h, locally heavy rain over 70mm/24h. Rain concentrated in the late afternoon and night.
The meteorological agency warns that thunderstorms are likely to occur with tornadoes, lightning, hail and strong gusts of wind. These phenomena can affect agricultural production, causing trees to fall, damage to houses, traffic works, and infrastructure. Localized heavy rain is likely to cause flash floods on small rivers and streams, landslides on slopes, and flooding in low-lying areas. Disaster risk level warning due to tornadoes, lightning, and hail is level 1.