UK issues rare red alert for extreme heat

The United Kingdom's Met Office has issued a rare red alert for extreme heat, the highest warning level, for Wednesday and Thursday across parts of southern England and Wales. This signifies a high likelihood of significant impacts on the population due to the intense heatwave.

Forecasters predict that maximum temperatures in the shade will surpass 37°C (98.6°F). In certain locations within the affected area, which includes major cities like London and Birmingham, as well as Cardiff in Wales, temperatures could climb to between 38°C and 40°C (100.4°F to 104°F).

The alert also highlights the risk of "very hot and humid nights," which are expected to reduce people's ability to recover from the daytime heat. This prolonged exposure to high temperatures, both day and night, raises concerns about public health and infrastructure.