According to the warning bulletin at 8:40 a.m. on October 11 from the National Center for Hydro-Meteorological Forecasting, through monitoring on satellite images, thunderstorm positioning data and weather radar, it was discovered that convective clouds were developing and causing rain in the areas of Hoang Mai, Dai Thanh, Ngoc Hoi, Yen Nghia, Hat Mon, Son Dong, An Khanh, Kieu Phu, Hung Dao, Chuong My, Phu Nghia, Xuan Mai, Quang Bi, Tran Phu, Hoa Phu, Thanh Oai, Binh Minh, Tam Hung, Dan Hoa, Thuong Phuc, Phuong Duc, Van Dinh, Ung Thien, Ung Hoa, Hoa Xa, My Duc, Phuc Son, Hong Son Son, Hanoi, Hanoi, Hanoi, Hanoi, and Hanoi.
Warning in the next 3 hours, this cloud area will cause rain in the above wards/communes, then spread to other wards/communes in Hanoi's inner city. During thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind.
The meteorological agency recommends that people pay attention to slippery roads when it rains, especially in intersections, slopes, and underpasses. Continue to monitor the next weather reports to update the situation in a timely manner.
Previously, according to the bulletin issued at 7:45 a.m. on October 11 from the Northern Hydrometeorological Station, through monitoring on satellite images, lightning positioning data and weather radar, convective cloud areas are developing in the area of communes/residential groups in Phu Xuyen, Tam Hung, Dai Thanh, Hong Van, Chuyen My communes.
Warning in the next 3 hours, this convective cloud area will continue to develop, moving causing showers and thunderstorms in the villages/hamlets of the above communes/wards, then spreading to the villages/hamlets of communes/wards such as Phuong Duc, Ung Hoa, Huong Son, Hoa Xa, Dai Thanh, Kien Hung... and other villages/hamlets of neighboring communes/wards of Hanoi city.
During thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind, breaking trees, damaging houses, traffic works and infrastructure, endangering human life.
The warning level of natural disaster risk due to tornadoes, lightning, and hail is level 1. The meteorological agency of the North recommends that agencies, units and people continue to monitor and prevent.