Vietnam: High temperatures forecast across central and northern regions through at least June 19

A heatwave is likely to persist across much of central and northern Vietnam through at least June 19. The Vietnam National Center for Hydro-Meteorological Forecasting (NCHMF) has warned of temperatures of 35-37 C (95-99 F) with isolated higher maximums and relative humidities of 55-60 percent from Nghe An to Phu Yen provinces June 11. Temperatures of 35-38 C (95-100 F) with isolated higher maximums and relative humidities of 50-60 percent over northeastern Vietnam and from Thanh Hoa to Binh Thuan provinces are forecast June 12. Meteorologists forecast the high temperatures in northern Vietnam will abate from around June 14 but will persist in central regions through at least June 19. Officials have issued a level 1 warning of natural disaster risk due to the forecasted heat. Officials could update or expand the alerts over the coming days as conditions change.

The extended period of oppressive heat and dry conditions may produce ideal circumstances for wildfire growth throughout the region. Heatwaves also threaten vulnerable groups - such as the elderly, children, pregnant women, and those with respiratory illnesses - due to the increased possibility of heat stroke or heat exhaustion during prolonged exposure to high temperatures. These health risks could also extend to relatively healthy individuals during significant heatwave events. In addition to significantly impacting athletes and those who work outdoors, high temperatures can cause problems for people using mass transit. The lack of air conditioning and cramped vehicles during rush hour may lead to some passengers' hospitalization.

Very high temperatures may damage road surfaces, and overheated vehicles may worsen traffic problems in urban areas where congestion is already a problem. Commercial trucking disruptions might occur, as very high temperatures put more stress on vehicles, making tire blowouts more common. Major flight disruptions are unlikely at regional airports, but general aviation disruptions are possible, and some airfreight carriers could reduce cargo loads. High temperatures could lead to an increased demand for electricity, which might trigger localized brownouts or blackouts, exacerbating hazardous conditions when air conditioning is no longer possible.