According to the National Center for Hydro-Meteorological Forecasting, on May 4, the area from Nghe An to Quang Ngai will have hot weather, some places will have severe heat. The highest temperature is generally 35 - 37 degrees Celsius, some places are above 37 degrees Celsius such as: Quy Hop (Nghe An) 38 degrees Celsius, Huong Son (Ha Tinh) 37.2 degrees Celsius, Dong Ha (Quang Tri) 37.5 degrees Celsius,... The lowest relatively humidity is generally 55 - 60%.
The Northern Delta and Hoa Binh on May 5 - 6 are forecast to have hot weather with the highest temperature commonly 35 - 36 degrees Celsius, some places above 36 degrees Celsius. The lowest relatively humidity is commonly 55 - 60%. The hot weather lasts from 12 to 15 hours.
The area from Thanh Hoa to Phu Yen on May 5 - 6 is forecast to have hot weather, some places are experiencing severe heat with the highest temperature commonly 35 - 37 degrees Celsius, some places above 38 degrees Celsius. The lowest relatively humidity is commonly 50 - 55%. The hot weather is from 11 - 16 hours.
The meteorological agency forecasts that the hot weather in the North and Central regions is likely to last until around May 9, then gradually calm down.
The warning level of natural disaster risk due to heat is level 1. Due to the influence of hot weather, some places have severe heat combined with low humidity in the air, so there is a risk of fire and explosion in residential areas due to increased demand for electricity and the risk of forest fires.
In addition, hot weather can also cause dehydration, exhaustion, and heat stroke in the human body when exposed to high temperatures for a long time.
The National Center for Hydro-Meteorological Forecasting noted that the forecast temperature in hot weather reports and the actual outdoor temperature may vary by 2 - 4 degrees Celsius, or even higher depending on buffer conditions such as concrete and asphalt roads.
The meteorological agency added that from around May 9 to 10, the North will have scattered showers and thunderstorms, with some places having moderate to heavy rain.