Updated bulletin issued at 2:10 PM on September 9 from the National Center for Hydro-Meteorological Forecasting, through monitoring on satellite cloud images, lightning positioning data and weather radar images, convective clouds are active and continuing to develop in the Bach Mai, Phuong Liet, Tuong Mai, Tam Hung areas of Hanoi city. The cloud area tends to continue to develop and expand further.
From now until the next 3 hours, this convective cloud region will continue to cause showers and thunderstorms for wards/communes such as Kim Lien, Vinh Tuy, Vinh Hung, Hong Ha, Hoang Mai, Khuong Dinh...then expand to other areas of Hanoi city.
Warning level of natural disaster risk due to tornadoes, lightning, and hail is level 1.
From the night of September 9th to September 10th, the meteorological agency forecasts that Hanoi area will have rain, showers and scattered thunderstorms, with locally heavy rain due to the influence of cold air. From September 10th, the weather will turn cool.
Regarding the development of rain due to the northeast monsoon, from the evening of September 9 to September 10, the Northern region will have rain, showers and scattered thunderstorms, with locally heavy rain.
On September 10th, Thanh Hoa to Hue city will have moderate rain, heavy rain and scattered thunderstorms, with locally very heavy rain.
In thunderstorms, there is a high possibility of tornadoes, lightning, hail and strong gusts of wind. Thunderstorms accompanied by tornadoes, lightning, hail and strong gusts of wind affect agricultural production, causing trees to fall, damage to houses, traffic works, and infrastructure.
Heavy rain and localized heavy rain are likely to cause flash floods on small rivers and streams, landslides on slopes and flooding in low-lying areas.
