According to the National Center for Hydro-Meteorological Forecasting, through monitoring on satellite images, lightning positioning data and weather radar images, it shows that convective clouds are developing in some wards in Hanoi such as Tay Ho, Ngoc Ha, Cau Giay, Lang. This cloud area tends to expand further in the inner city of Hanoi.
From now until the next 3 hours (from 10:40 on September 11), the above wards and neighboring wards in Hanoi's inner city will have showers and possibly thunderstorms such as: O Cho Dua. Ba Dinh, Hoan Kien, Van Mieu - Quoc Tu Giam, Dong Da, Xuan Dinh, ... During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
In the Northern region on the day and night of September 11, there are forecasts of scattered showers and thunderstorms, locally heavy rain with rainfall of 15 - 35mm, locally over 100mm. Warning of the risk of heavy rain with rainfall greater than 80mm within 3 hours.
In the area from Hue city to Lam Dong and the South in the afternoon and evening of September 11, there will be scattered showers and thunderstorms, locally heavy rain with rainfall of 10 - 30mm, locally over 70mm.
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.
