Updated bulletin issued at 3:20 PM on March 29 from the National Center for Hydro-Meteorological Forecasting, through monitoring on satellite images, thunderstorm and lightning positioning data and weather radar, it was discovered that the convective cloud area is developing and causing rain for the Huong Xuan, Ba Vi, Yen Xuan, My Duc... areas is moving and expanding to the inner city of Hanoi.
In the period from 30 minutes to 3 hours (calculated from 3:20 PM), this cloud area will cause rain for the above wards/communes, then it will spread to other wards/communes in inner Hanoi. In thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind. Warning level of natural disaster risk due to tornadoes, lightning, and hail is level 1.
Previously, the meteorological agency forecast that on the day and night of March 29, the Northern region will have rain, showers with rainfall from 10 - 30mm, locally heavy rain and thunderstorms with rainfall over 50mm.
The National Center for Hydro-Meteorological Forecasting warns that rain during the transitional period contains many dangerous phenomena due to conflicts between different air masses in essence. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Localized heavy rain is likely to cause flash floods on small rivers and streams, landslides on slopes and flooding in low-lying areas.
From March 30, the Northern region weather will change rapidly, and the temperature will rise.
On March 30, in the Northwest region and from Thanh Hoa to Hue City, there will be hot sun, in some places intense hot sun with the highest temperature commonly 35 - 36 degrees C, in some places above 37 degrees C. The hottest time is about 13 - 16 hours.
The Northern Delta region has localized hot weather with the highest temperature above 35 degrees C; the relative lowest humidity is commonly 55 - 60%.
