According to the National Center for Hydro-Meteorological Forecasting, from last night to this morning (May 10), in the mountainous and midland areas of the Northern region, there were rain, showers and thunderstorms in some places, locally heavy to very heavy rain. Rainfall calculated from 7 pm on May 9 to 8 am on May 10. 5 locally over 50mm such as the following monitoring stations: Pu Xi (Dien Bien) 64.8mm, Muong Lan 1 (Son La) 94.2mm,...
On the day and night of May 10, the mountainous and midland areas of the Northern region will have scattered showers and thunderstorms with rainfall of 10 - 30mm, locally heavy to very heavy rain over 90mm.
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.
