Bulgaria: High temperatures forecast across eastern and central regions through at least July 2

High temperatures are forecast across eastern and central Bulgaria through at least July 2. High temperatures of around 39-40 C (102-104 F) are forecast July 2. A cold front is expected to impact the region July 3 and will lead to a drop in temperatures. Bulgaria's National Institute of Meteorology and Hydrology (NIMH) has issued the following heat-related warnings July 2:

• Orange high-temperature warnings (the middle level on a three-tier scale): Eastern and central Ruse Province.

• Yellow high-temperature warnings: Across the rest of eastern and central Bulgaria.

Officials could update and extend the coverage of weather alerts over the coming days.

The high temperatures may result in increased energy and water demand and a heightened risk of heat-related illnesses, such as heat exhaustion and heat stroke.

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.

Very high temperatures may warp rail tracks and force passenger and freight trains to operate at reduced speeds. Road surface damage is also possible, 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 stress vehicles, making tire blowouts more common. Major flight disruptions are unlikely, 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.