According to data from the National Center for Hydro-Meteorological Forecasting, last night and this morning (October 20), the Northern and North Central regions had localized heavy rain.
Rainfall from 7pm on October 19 to 8am on October 20 was over 60mm in some places such as: Hung Khanh (Yen Bai) 67.2mm, Sam Son (Thanh Hoa) 74.4mm...
The area from Thanh Hoa to Quang Ngai from the night of October 20 to the night of October 21 is forecast to have moderate to heavy rain and scattered thunderstorms, locally very heavy rain with rainfall from 40 - 90mm, some places over 150mm. Warning of the risk of local heavy rain (rainfall greater than 100mm within 6 hours).
In the Central Highlands and the South, in the afternoon and evening of October 20, there is forecast to be scattered showers and thunderstorms, locally heavy rain with rainfall from 15 - 30mm, in some places over 70mm.
In the Northeastern region, in the evening and night of October 20, there is a forecast of scattered showers and thunderstorms, locally heavy rain with rainfall from 10 - 30mm, some places over 50mm. During the thunderstorms, there is a possibility of tornadoes, lightning and strong gusts of wind. The cause of the rain is due to the continued impact of weak cold air moving east.
The area from Southern Nghe An to Binh Dinh on the day and night of October 22 is forecast to have moderate rain, heavy rain, locally very heavy rain and thunderstorms with rainfall from 30 - 50mm, some places over 80mm.
The meteorological agency warns that the risk of natural disasters caused by heavy rain, tornadoes, and lightning is level 1. Localized heavy rain can cause flooding in low-lying areas; flash floods on small rivers and streams; and landslides on steep slopes.
