Forecasters warns of rare weather phenomenon blood rain which will cover your cars in filth

Forecasters warns of rare weather phenomenon blood rain which will cover your cars in filth EXCLUSIVE: Blood rain — which the Met Office says happens when high levels of red-coloured dust or particles get mixed into rain — is expected to occur amid the sweltering heatwave A rare weather phenomenon — which will cause cars and windows to become covered in filth — is forecast amid the scorching heatwave. Meteorologists understand "blood rain" will fall during the weekend, heaviest across the South of England, as high levels of dust particles will be swept into the high pressure amid the Saharan plume. When does fall, in the form of precipitation, the ground, homes and cars will be covered in the hazy speckles. Jim Dale, who is British Weather Services' senior meteorologist, told us: "When the break in the heat comes, so when the cold front comes across into the cool air, the showers and the thunderstorms will follow. That comes with sand, because it's high in the atmosphere, and it'll progressively turn hazier and hazier. "Some of that dust sand will fall to earth in the showers that'll come. That's out of the Sahara, and out to Spain; the brown lands of Spain. So expect your cars to be covered in dust sand. It won't be everywhere, but it will be in certain places — mainly the south." This phenomenon doesn't happen often in the UK, due to the typical nature of our climate. However, temperatures have soared this week — and are expected to rise further — due to the "heat dome" which has moved air from Europe and parts of Africa in our direction. The mercury peaked at 34.6C in Wisley, Surrey, on Wednesday, the Met Office said. The band of high pressure is slowly expected to move eastwards but a red weather warning — a danger to life — is in place until Friday. Hundreds of schools have closed as a result, particularly across south Wales and the Southwest of England. The blood rain will happen as the temperatures cool as, at this point, the UK is expected to see rainfall. It will be the most significant period of rain for several days with the heaviest bursts anticipated across parts of the North of England on the weekend. When the UK experienced blood rain in March, cars, windows, garden furniture and other outdoor items were coated in dirt. Brits had to wash these items to remove any marks. But any disruption is largely cosmetic, and not harmful to our health. It is, though, often described by meteorologists as "blood rain" for its unusual appearance. Speaking earlier this year, Stav Danaos, lead weather presenter with the BBC, said: "The downside of Saharan dust is that when it mixes with rain, it can leave dirty deposits on surfaces, particularly cars and windows, a phenomenon commonly known as blood rain. "Parts of England and Wales are expected to experience the most pronounced effects (this week), as dust concentrations are forecast to be highest there due to prevailing winds and the position of high pressure system."