According to the Met Office, current assessments suggest that dust concentrations will pass close to or just south of the UK, but a brush of dust-influenced air is likely, particularly affecting southern parts of the country. By Wednesday and Thursday, the combination of a moist south-westerly airflow and a broad dust plume could lead to some dust settling out with the rain. At this stage, concentrations are expected to remain relatively low, meaning rainfall itself is unlikely to appear noticeably red.
Where dust mixes in, the impact is more likely to be seen after showers have passed, with a light film of yellowish or brownish residue on surfaces. The brightest colors from Saharan dust are expected on Thursday and continuing into Friday, especially when skies are clear at sunrise and sunset. The most noticeable displays of Saharan dust are likely to occur in England and Wales as clearer and cooler conditions arrive from the west by the end of the week.
Current assessments suggest that concentrations will pass close to or just south of the UK, but a brush of dust‑influenced air is likely, particularly affecting southern parts of the country.
Saharan dust mixed with rain can leave dirty deposits on surfaces, particularly cars and windows. ' He added: 'First, don't run your finger through the sand or be tempted to write your name in it. ' Conway advised that before cleaning a dusty vehicle, remove as much debris as possible, ideally with a pressure washer with a foam attachment.
The Met Office clarified that the term 'blood rain' is not a scientific phrase and does not describe a frequent or clearly defined meteorological event. A Met Office forecaster explained: 'The term 'blood rain' often captures attention, but it can be misleading. It is not a scientific phrase, nor does it describe a frequent or clearly defined meteorological event.
The term 'blood rain' often captures attention, but it can be misleading. It is not a scientific phrase, nor does it describe a frequent or clearly defined meteorological event. Instead, it simply refers to rain that takes on a reddish tint once it reaches the ground.