On the morning of May 23, many areas in Thai Nguyen, Bac Giang and Lang Son provinces recorded moderate to heavy rain, including some places with rainfall exceeding 70mm.
Specifically, Phuc Triu station (Thai Nguyen) recorded 71.3mm, Minh Lap 48.8mm rain; in Bac Giang, the Ong rock area recorded 37.6mm rain.
According to the National Center for Hydro-Meteorological Forecasting, in the evening of the same day, this area will continue to have rain with a common amount of 20-50mm, some places over 80mm.
Data on soil moisture models shows that many areas in these three provinces have reached or are approaching the saturatation threshold (over 85%), increasing the risk of flash floods and landslides.
The locations assessed as having high risk include Dai Tu, Dinh Hoa, Dong Hy, Phu Binh, Phu Luong, Pho Yen City, Song Cong City, Thai Nguyen City, Vo Nhai (Thai Nguyen); Bac Son, Binh Gia, Cao Loc, Chi Lang, Dinh Lap, Huu Lung, Loc Binh, Lang Son City, Trang Dinh, Van Lang, Van Quan (Lang Son); Hiep Hoa, Lang Giang, Luc Nam, Luc Ngan, Son Dong, Tan Yen, Bac Giang City, TX. Viet Yen, Yen Dung, Yen The (Bac Giang).
The National Center for Hydro-Meteorological Forecasting assesses the natural disaster risk level at level 1, however, it is warned that flash floods and landslides can cause serious consequences such as threatening people's lives, destroying civil works, disrupting traffic and greatly affecting local production and the economy.
Authorities are recommended to proactively inspect and review vulnerable areas and flow bottlenecks to promptly deploy plans to prevent and respond to complex developments of floods.
