According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (September 22), in the mountainous and plain areas of the North, Central Highlands and Southeast region, there were showers and thunderstorms, locally heavy to very heavy rain.
Rainfall from 7pm on September 21 to 8am on September 22 was measured by monitoring stations over 90mm such as: Tan Tien station (Lao Cai) 161.2mm, Xuan Minh station (Tuyen Quang) 157.8mm, Muong Bang station (Dien Bien) 111.6mm, Tra Giang station (Thai Binh) 108mm, Nam Gion station (Son La) 105.2mm, Thanh An station (Ho Chi Minh City) 97.4mm...
The Northern region and Thanh Hoa during the day and night of September 22 are forecast to have scattered showers and thunderstorms with rainfall of 10 - 30mm, locally heavy to very heavy rain over 100mm.
The Central Highlands and the South during the day and night of September 22 are forecast to have rain, moderate rain and scattered thunderstorms with rainfall of 20 - 40mm, locally heavy to very heavy rain over 100mm. Warning of the risk of heavy rain over 100mm within 3 hours.
In the South Central Coast region in the afternoon and evening of September 22, there will be showers and scattered thunderstorms with rainfall of 15 - 30mm, locally heavy rain over 80mm. Warning of the risk of heavy rain over 80mm within 3 hours.
During thunderstorms, there is a possibility of 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.
Data analyzed by the meteorological agency also shows that in the next month, in the Northern region and the provinces from Thanh Hoa to Ha Tinh, the total rainfall will generally be 15 - 30% higher than the average of many years. The remaining areas have total rainfall 10 - 20% higher; locally 5 - 15% lower than the average of many years in the same period.
