Almost all localities across Vietnam on May 24 experienced a dangerous level of ultraviolet (UV) rays, according to the National Centre for Hydro-meteorological Forecasting.
After three years of the La Nina weather pattern which is the other phase of ENSO, the El Nino phenomenon is likely to return in Vietnam in late May or early June, with a probability of up to 80 percent.
The National Centre for Hydro-Meteorological Forecasting has predicted that storm Noru will enter the East Sea on September 25 evening, and recommended coastal localities to brace themselves for the storm.
The northern and central regions began to experience a heat wave on April 24 which is forecast to reach its peak from April 25 - 27, according to the National Centre for Hydro-Meteorological Forecasting.
A strong cold spell hit Vietnam starting December 25, resulting in showers and low temperatures across the northern and central regions, according to the National Centre for Hydro-Meteorological Forecasting.
Storm Bebinca, the fourth of its kind hitting the country this year, will result in downpours in northern and north central regions from the night of August 15 to August 17.
Tropical storm Son Tinh, the third entering the East Sea in 2018, is forecast to make landfall in coastal localities from Thai Binh to Ha Tinh on late July 18, according to the National Centre for Hydro-Meteorological Forecasting.
2017 was an eventful year for international cooperation at the National Centre for Hydro-meteorological Forecasting (NCHMF), helping the centre improve its severe weather forecasting capacity and heighten its role in natural disaster prevention and mitigation globally.
Storm Bolaven has weakened into a tropical pressure system after moving into the waters west of Truong Sa (Spratly) archipelago on early January 4, according to the National Centre for Hydro-meteorological Forecasting.