A fresh Saharan dust bomb is set to blanket parts of the UK later this week in what is proving to be 2022's strangest weather phenomenon.
According to aerosol forecasts from weather agency Copernicus, a sheet of dust – sometimes also referred to as 'blood rain' – will blow up through northern Africa this week and wind towards Western Europe.
It is expected to make landfall over the weekend and will hit some southern parts of the UK.
Saharan dust is picked up by wind from the desert into the sky and carried up into the atmosphere.
As raindrops fall, they collect particles of dust on the way down. This leaves behind a layer of dust on the ground following rainfall.
The last time the UK was blanketed in the dust was back in March when it left strange orange-purple rippling effects in the sky.
The crazy colours are caused by a phenomenon known as Rayleigh scattering, caused by additional particles in the air.
Although the dust may be pleasant on the eye, not everyone was a fan of it last time around. as the clouds left cars 'covered in sand.'
There are also some health risks associated with the dust.
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Dr Andy Whittamore – the clinical lead at Asthma UK – has previously warned of the risks posed by Saharan dust.
Speaking in March he said: "Toxic air can leave people struggling for breath and can cause wheezing, coughing, shortness of breath and even a life-threatening asthma attack.
“Saharan dust could pose a serious risk to the 5.4 million people in the UK with asthma".
However, the Met Office has currently not announced any weather warnings in relation to the influx of dust expected in the week.
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