The forecast for the evening and night of May 30th indicates widespread rain, showers, and thunderstorms in Lao Cai . Scattered moderate rain is expected, with some areas experiencing heavy rain, posing a risk of flash floods and landslides in some mountainous regions.
According to the National Center for Hydro-Meteorological Forecasting, the northern region is currently affected by a low-pressure trough with its axis located at approximately 19-21 degrees North latitude, being weakly compressed by cold air and shifting southward. Meanwhile, towards this evening and tonight, the convergence zone over the northern region is expected to intensify, leading to increased rainfall in the provinces and cities, spreading over a wider area.
Accordingly, on the evening and night of May 30th, localities throughout the province experienced widespread rain, showers, and thunderstorms, with scattered moderate rain and some areas experiencing heavy rain. Rainfall amounts generally ranged from 15-35 mm, with some areas receiving over 60 mm.
Heavy rain is likely to be concentrated in the districts of Bac Ha, Muong Khuong, Bat Xat, Van Ban, Bao Thang, Sa Pa town and Lao Cai city.
People need to be aware that rain following periods of hot weather can easily lead to extreme weather phenomena such as tornadoes, lightning, hail, and strong gusts of wind.
Localized heavy rainfall is likely to cause flash floods and landslides on small rivers and streams, in areas with steep terrain, and flooding in low-lying areas; flooding of low-lying streets in towns, cities, and the southern part of urban areas.
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