According to the National Center for Hydro-Meteorological Forecasting, through monitoring on satellite images, thunderstorm positioning data and weather radar, it was discovered that at 1:30 p.m. on July 20, convective clouds continued to develop and caused rain in Quang Bi, Hoa Phu, Thanh Oai, Dan Hoa, Phuong Duc, Ung Hoa, Hoa Xa, Hong Son, Huong Son and the southern areas of Hanoi city.
This afternoon, July 20, this cloud area caused rain in the above areas, 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 warning level of natural disaster risk due to tornadoes, lightning, and hail is level 1.
The National Center for Hydro-Meteorological Forecasting recommends that people limit going out and proactively prevent dangerous weather phenomena, especially in areas with many trees or advertising signs.
The meteorological agency forecasts that in the afternoon and night of July 20, the Northern and North Central regions will have scattered showers and thunderstorms, locally heavy rain; the Northeast and Northern Delta regions will have rain, moderate rain, locally heavy to very heavy rain with rainfall from 20 - 40mm, locally over 80mm.
