According to the National Center for Hydro-Meteorological Forecasting, last night and this morning (May 9), the Northern region and Thanh Hoa had scattered showers and thunderstorms, with locally heavy rain. Rainfall calculated from 7 pm on May 8 to 8 am on September 9. 5 locally over 90mm such as the following monitoring stations: Nuong Dam (Phu Tho) 118mm, Cau Ram (Hanoi city) 94.6mm, Phuc Do (Thanh Hoa) 176.2mm...
On the day and night of May 9, the Northern region and Thanh Hoa have scattered showers and thunderstorms with rainfall of 10 - 30mm, locally heavy rain over 60mm. In thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind. Warning level of natural disaster risk due to tornadoes, lightning, hail is level 1.
Rainstorms accompanied by tornadoes, lightning, hail and strong gusts of wind can affect agricultural production, causing trees to fall, damage to houses, traffic works, and infrastructure. Localized heavy rains are likely to cause flash floods on small rivers and streams, landslides on slopes, and flooding in low-lying areas.
From March to May is the period when most ice rain appears in the year, due to the characteristic of seasonal transition, the dispute between two different gas masses. The northern mountainous area, the western mountainous area of the central provinces and cities from Thanh Hoa inwards to Hue city - where there are very large terrain conditions and atmospheric instability, increases the risk of ice rain more than other areas.
Regarding the rainfall trend in May, the total rainfall nationwide is generally lower than the multi-year average by 15 - 30%; especially in the Northeast and South regions, it is generally approximately equal to the multi-year average of the same period.
Nationwide, there is a possibility of widespread showers and thunderstorms, with rain concentrated more in the Northern region.
