This afternoon, May 9, the National Center for Hydro-Meteorological Forecasting said that today, the Northern region and Thanh Hoa recorded scattered showers and thunderstorms, with locally heavy rain. Rainfall calculated from 7 am to 3 pm on May 9, locally over 50mm such as the following monitoring stations: Sen Thuong (Dien Bien) 60.8mm, Soc Ha (Cao Bang) 53.7mm...
From the evening of May 9th to May 10th, it is forecast that 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.
Warning in thunderstorms, there is a possibility of tornadoes, lightning, hail and strong gusts of wind with disaster risk level at 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.
Previously, in some recent thunderstorms, ice rain occurred in some provinces and cities in the North and North Central regions. According to the meteorological agency, from March to May is the period of most ice rain 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 signs to recognize when ice rain occurs, ice rain is a very small-scale phenomenon often accompanied by strong thunderstorms during the transitional period. ice rain is often accompanied by quite characteristic signs that people can proactively recognize, such as strong thunderstorm clouds appearing in the sky, air transitioning from hot and humid to cool very quickly, strong gusts of wind, heavy showers accompanied by thunder.
When these signs appear, people should quickly find safe shelter, avoid staying outdoors or under large trees.