By Rachel Hagan An unexpected onslaught of snow sweeping across significant parts of England this week could cut off rural communities, the Met Office has warned. A yellow weather warning for snow has been issued for most of northern England, Wales, and the Midlands on Thursday and Friday, as cold air from the north causes a drop in temperatures. The potential consequences include power cuts and certain rural areas being cut off, with the added likelihood of disruptions to rail and air travel. Chris Almond, Met Office deputy chief meteorologist, told the Telegraph: “It’s from Thursday that the…