Vietnam is forecast to experience extreme weather conditions and severe fluctuations in temperatures this summer.

The water level of Tri An hydropower reservoir, the largest of its kind in the southern region, has dropped to “dead level” due to a prolonged dry season and El Niño phenomena.

The East Sea has been forecasted to see a tropical depression in the next 24 hours, the first this year.

The first heat wave of this year’s summer, with temperatures peaking over 41 degrees Celsius, is predicted to scorch Hanoi as well as northern and central provinces until Sunday.

Regions across Vietnam are experiencing hot weather on May 4 with the temperature in some areas exceeding 37 degrees Celsius, according to the National Centre for Hydro-Meteorological Forecasting.

Ho Chi Minh City reached its highest levels of ultraviolet (UV) radiation with a scale of 9.8 on May 2 to become the hottest day of the year so far.