A unique weather event is predicted to occur during the ongoing heatwave, leading to cars and windows getting covered in dirt. Meteorologists have forecasted “blood rain” for the weekend, particularly affecting the South of England, as a result of high levels of dust particles being carried by the Saharan plume into the high-pressure system. When this dust-laden rain falls, it will leave a hazy film on the ground, houses, and vehicles.
Jim Dale, a senior meteorologist at British Weather Services, explained that as a cold front moves in, bringing showers and thunderstorms, sand particles from the Sahara high in the atmosphere will contribute to the haziness in the air. Some of this dust will mix with rain and fall to the ground, especially affecting areas in the south.
This occurrence is rare in the UK due to its typical climate, but the recent surge in temperatures, attributed to a “heat dome” pulling warm air from Europe and Africa, has led to this phenomenon. The mercury hit a peak of 36C in Gosport, Hampshire, as confirmed by the Met Office. While the high-pressure system is expected to shift eastward gradually, a red weather warning remains in effect until Friday, posing a risk to life.
Amid the extreme weather conditions, schools in regions like south Wales and the Southwest of England have been forced to close. As the UK braces for rainfall, the blood rain phenomenon is expected to intensify, with the heaviest showers anticipated in the North of England over the weekend.
In a previous instance of blood rain in March, cars, windows, and outdoor items were left coated in dirt, requiring cleaning to remove the marks. Despite the inconvenience, the phenomenon is mostly cosmetic and not harmful to health, although it is notably striking in appearance.
Stav Danaos, a lead weather presenter at the BBC, highlighted the impact of Saharan dust mixing with rain, leading to the deposition of dirty residues on surfaces, commonly known as blood rain. England and Wales are likely to experience the strongest effects due to prevailing winds and the positioning of the high-pressure system.
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